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wolfssl-w32/wolfssl/internal.h

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/* internal.h
*
* Copyright (C) 2006-2023 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef WOLFSSL_INT_H
#define WOLFSSL_INT_H
#include <wolfssl/wolfcrypt/types.h>
#include <wolfssl/ssl.h>
#ifdef HAVE_CRL
#include <wolfssl/crl.h>
#endif
#include <wolfssl/wolfcrypt/random.h>
#ifndef NO_DES3
#include <wolfssl/wolfcrypt/des3.h>
#endif
#ifdef HAVE_CHACHA
#include <wolfssl/wolfcrypt/chacha.h>
#endif
#ifndef NO_ASN
#include <wolfssl/wolfcrypt/asn.h>
#include <wolfssl/wolfcrypt/pkcs12.h>
#endif
#ifndef NO_MD5
#include <wolfssl/wolfcrypt/md5.h>
#endif
#ifndef NO_SHA
#include <wolfssl/wolfcrypt/sha.h>
#endif
#ifndef NO_AES
#include <wolfssl/wolfcrypt/aes.h>
#endif
#ifdef HAVE_POLY1305
#include <wolfssl/wolfcrypt/poly1305.h>
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && defined(OPENSSL_EXTRA)
#include <wolfssl/wolfcrypt/chacha20_poly1305.h>
#endif
#ifdef HAVE_ARIA
#include <wolfssl/wolfcrypt/port/aria/aria-crypt.h>
#endif
#ifdef HAVE_CAMELLIA
#include <wolfssl/wolfcrypt/camellia.h>
#endif
#ifdef WOLFSSL_SM4
#include <wolfssl/wolfcrypt/sm4.h>
#endif
#include <wolfssl/wolfcrypt/logging.h>
#ifndef NO_HMAC
#include <wolfssl/wolfcrypt/hmac.h>
#endif
#ifndef NO_RC4
#include <wolfssl/wolfcrypt/arc4.h>
#endif
#ifndef NO_SHA256
#include <wolfssl/wolfcrypt/sha256.h>
#endif
#if defined(WOLFSSL_SHA384)
#include <wolfssl/wolfcrypt/sha512.h>
#endif
#ifdef HAVE_OCSP
#include <wolfssl/ocsp.h>
#endif
#ifdef WOLFSSL_QUIC
#include <wolfssl/quic.h>
#endif
#ifdef WOLFSSL_SHA384
#include <wolfssl/wolfcrypt/sha512.h>
#endif
#ifdef WOLFSSL_SHA512
#include <wolfssl/wolfcrypt/sha512.h>
#endif
#ifdef WOLFSSL_SM3
#include <wolfssl/wolfcrypt/sm3.h>
#endif
#ifdef HAVE_AESGCM
#include <wolfssl/wolfcrypt/sha512.h>
#endif
#ifdef WOLFSSL_RIPEMD
#include <wolfssl/wolfcrypt/ripemd.h>
#endif
#ifndef NO_RSA
#include <wolfssl/wolfcrypt/rsa.h>
#endif
#ifdef HAVE_ECC
#include <wolfssl/wolfcrypt/ecc.h>
#endif
#ifdef WOLFSSL_SM2
#include <wolfssl/wolfcrypt/sm2.h>
#endif
#ifndef NO_DH
#include <wolfssl/wolfcrypt/dh.h>
#endif
#ifdef HAVE_ED25519
#include <wolfssl/wolfcrypt/ed25519.h>
#endif
#ifdef HAVE_CURVE25519
#include <wolfssl/wolfcrypt/curve25519.h>
#endif
#ifdef HAVE_ED448
#include <wolfssl/wolfcrypt/ed448.h>
#endif
#ifdef HAVE_CURVE448
#include <wolfssl/wolfcrypt/curve448.h>
#endif
#ifdef HAVE_PQC
#include <wolfssl/wolfcrypt/falcon.h>
#include <wolfssl/wolfcrypt/dilithium.h>
#endif
#ifdef HAVE_HKDF
#include <wolfssl/wolfcrypt/kdf.h>
#endif
#ifndef WOLFSSL_NO_DEF_TICKET_ENC_CB
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && \
!defined(WOLFSSL_TICKET_ENC_AES128_GCM) && \
!defined(WOLFSSL_TICKET_ENC_AES256_GCM)
#include <wolfssl/wolfcrypt/chacha20_poly1305.h>
#else
#include <wolfssl/wolfcrypt/aes.h>
#endif
#endif
#include <wolfssl/wolfcrypt/wc_encrypt.h>
#include <wolfssl/wolfcrypt/hash.h>
#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA)
#include <wolfssl/callbacks.h>
#endif
#ifdef WOLFSSL_CALLBACKS
#include <signal.h>
#endif
#ifdef USE_WINDOWS_API
#ifdef WOLFSSL_GAME_BUILD
#include "system/xtl.h"
#else
#if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN)
/* On WinCE winsock2.h must be included before windows.h */
#include <winsock2.h>
#endif
#include <windows.h>
#endif
#elif defined(THREADX)
#ifndef SINGLE_THREADED
#include "tx_api.h"
#endif
#elif defined(WOLFSSL_DEOS)
/* do nothing, just don't pick Unix */
#elif defined(MICRIUM)
/* do nothing, just don't pick Unix */
#elif defined(FREERTOS) || defined(FREERTOS_TCP) || defined(WOLFSSL_SAFERTOS)
/* do nothing */
#elif defined(RTTHREAD)
/* do nothing */
#elif defined(EBSNET)
/* do nothing */
#elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
/* do nothing */
#elif defined(FREESCALE_FREE_RTOS)
#include "fsl_os_abstraction.h"
#elif defined(WOLFSSL_uITRON4)
/* do nothing */
#elif defined(WOLFSSL_uTKERNEL2)
/* do nothing */
#elif defined(WOLFSSL_CMSIS_RTOS)
#include "cmsis_os.h"
#elif defined(WOLFSSL_CMSIS_RTOSv2)
#include "cmsis_os2.h"
#elif defined(WOLFSSL_MDK_ARM)
#if defined(WOLFSSL_MDK5)
#include "cmsis_os.h"
#else
#include <rtl.h>
#endif
#elif defined(MBED)
#elif defined(WOLFSSL_TIRTOS)
/* do nothing */
#elif defined(INTIME_RTOS)
#include <rt.h>
#elif defined(WOLFSSL_NUCLEUS_1_2)
/* do nothing */
#elif defined(WOLFSSL_APACHE_MYNEWT)
#if !defined(WOLFSSL_LWIP)
void mynewt_ctx_clear(void *ctx);
void* mynewt_ctx_new();
#endif
#elif defined(WOLFSSL_ZEPHYR)
#ifndef SINGLE_THREADED
#include <zephyr/kernel.h>
#endif
#elif defined(WOLFSSL_TELIT_M2MB)
/* do nothing */
#elif defined(WOLFSSL_EMBOS)
/* do nothing */
#else
#ifndef SINGLE_THREADED
#if defined(WOLFSSL_LINUXKM)
/* setup is in linuxkm/linuxkm_wc_port.h */
#elif defined(WOLFSSL_USER_MUTEX)
/* do nothing */
#else
#define WOLFSSL_PTHREADS
#include <pthread.h>
#endif
#endif
#if defined(OPENSSL_EXTRA) && !defined(NO_FILESYSTEM)
#ifdef FUSION_RTOS
#include <fclunistd.h>
#else
#include <unistd.h> /* for close of BIO */
#endif
#endif
#endif
#if !defined(CHAR_BIT) || (defined(OPENSSL_EXTRA) && !defined(INT_MAX))
/* Needed for DTLS without big math and INT_MAX */
#include <limits.h>
#endif
#ifdef HAVE_LIBZ
#include "zlib.h"
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
#include <wolfssl/wolfcrypt/async.h>
#endif
#ifdef OPENSSL_EXTRA
#ifdef WOLFCRYPT_HAVE_SRP
#include <wolfssl/wolfcrypt/srp.h>
#endif
#endif
#ifdef _MSC_VER
/* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
#pragma warning(disable: 4996)
#endif
#ifdef NO_SHA
#define WC_SHA_DIGEST_SIZE 20
#endif
#ifdef NO_SHA256
#define WC_SHA256_DIGEST_SIZE 32
#endif
#ifdef NO_MD5
#define WC_MD5_DIGEST_SIZE 16
#endif
#ifdef WOLFSSL_IOTSAFE
#include <wolfssl/wolfcrypt/port/iotsafe/iotsafe.h>
#endif
#if defined(WOLFSSL_RENESAS_TSIP_TLS)
#include <wolfssl/wolfcrypt/port/Renesas/renesas-tsip-crypt.h>
#endif
#include <wolfssl/wolfcrypt/hpke.h>
#if defined(WOLFSSL_SNIFFER) && defined(WOLFSSL_SNIFFER_KEYLOGFILE)
#include <wolfssl/sniffer.h>
#endif /* WOLFSSL_SNIFFER && WOLFSSL_SNIFFER_KEYLOGFILE */
#ifdef __cplusplus
extern "C" {
#endif
/* Define or comment out the cipher suites you'd like to be compiled in
make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
Now that there is a maximum strength crypto build, the following BUILD_XXX
flags need to be divided into two groups selected by WOLFSSL_MAX_STRENGTH.
Those that do not use Perfect Forward Security and do not use AEAD ciphers
need to be switched off. Allowed suites use (EC)DHE, AES-GCM|CCM, or
CHACHA-POLY.
*/
/* Check that if WOLFSSL_MAX_STRENGTH is set that all the required options are
* not turned off. */
#if defined(WOLFSSL_MAX_STRENGTH) && \
((!defined(HAVE_ECC) && (defined(NO_DH) || defined(NO_RSA))) || \
(!defined(HAVE_AESGCM) && !defined(HAVE_AESCCM) && \
(!defined(HAVE_POLY1305) || !defined(HAVE_CHACHA))) || \
(defined(NO_SHA256) && !defined(WOLFSSL_SHA384)) || \
!defined(NO_OLD_TLS))
#error "You are trying to build max strength with requirements disabled."
#endif
#ifndef WOLFSSL_NO_TLS12
#ifndef WOLFSSL_MAX_STRENGTH
#ifdef WOLFSSL_AEAD_ONLY
/* AES CBC ciphers are not allowed in AEAD only mode */
#undef HAVE_AES_CBC
#endif
/* When adding new ciphersuites, make sure that they have appropriate
* guards for WOLFSSL_HARDEN_TLS. */
#if defined(WOLFSSL_HARDEN_TLS) && \
!defined(WOLFSSL_HARDEN_TLS_ALLOW_ALL_CIPHERSUITES)
/* Use a separate define (undef'ed later) to simplify macro logic. */
#define WSSL_HARDEN_TLS WOLFSSL_HARDEN_TLS
#define NO_TLS_DH
#endif
#ifndef WOLFSSL_AEAD_ONLY
#if !defined(NO_RSA) && !defined(NO_RC4) && !defined(WSSL_HARDEN_TLS)
/* MUST NOT negotiate RC4 cipher suites
* https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#if defined(WOLFSSL_STATIC_RSA)
#if !defined(NO_SHA)
#define BUILD_SSL_RSA_WITH_RC4_128_SHA
#endif
#if !defined(NO_MD5)
#define BUILD_SSL_RSA_WITH_RC4_128_MD5
#endif
#endif
#endif
#if !defined(NO_RSA) && !defined(NO_DES3)
#if !defined(NO_SHA)
#if defined(WOLFSSL_STATIC_RSA)
#define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif
#endif
#endif /* !WOLFSSL_AEAD_ONLY */
#if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
#if !defined(NO_SHA) && defined(HAVE_AES_CBC)
#if defined(WOLFSSL_STATIC_RSA)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
#endif
#endif
#endif
#if defined(WOLFSSL_STATIC_RSA)
#if !defined (NO_SHA256) && defined(HAVE_AES_CBC)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
#endif
#endif
#if defined (HAVE_AESGCM)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
#endif
#if defined (WOLFSSL_SHA384) && defined(WOLFSSL_AES_256)
#define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#if defined (HAVE_AESCCM)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_RSA_WITH_AES_128_CCM_8
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_RSA_WITH_AES_256_CCM_8
#endif
#endif
#endif
#endif
#if defined(HAVE_CAMELLIA) && !defined(NO_TLS) && !defined(NO_CAMELLIA_CBC)
#ifndef NO_RSA
#if defined(WOLFSSL_STATIC_RSA)
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
#endif
#endif
#if !defined(NO_DH) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#if !defined(NO_SHA)
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
#endif
#endif
#endif
#endif
#if defined(WOLFSSL_STATIC_PSK)
#if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
#if !defined(NO_SHA)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
#endif
#endif
#ifndef NO_SHA256
#ifdef WOLFSSL_AES_128
#ifdef HAVE_AES_CBC
#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
#endif
#ifdef HAVE_AESGCM
#define BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256
#endif
#endif /* WOLFSSL_AES_128 */
#ifdef HAVE_AESCCM
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_PSK_WITH_AES_128_CCM_8
#define BUILD_TLS_PSK_WITH_AES_128_CCM
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_PSK_WITH_AES_256_CCM_8
#define BUILD_TLS_PSK_WITH_AES_256_CCM
#endif
#endif
#endif
#if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256)
#ifdef HAVE_AES_CBC
#define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA384
#endif
#ifdef HAVE_AESGCM
#define BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#endif
#if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
#if !defined(NO_RSA)
#if defined(WOLFSSL_STATIC_RSA)
#ifndef NO_MD5
#define BUILD_TLS_RSA_WITH_NULL_MD5
#endif
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_NULL_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_RSA_WITH_NULL_SHA256
#endif
#endif
#endif
#if !defined(NO_PSK) && defined(WOLFSSL_STATIC_PSK)
#if !defined(NO_SHA)
#define BUILD_TLS_PSK_WITH_NULL_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_PSK_WITH_NULL_SHA256
#endif
#ifdef WOLFSSL_SHA384
#define BUILD_TLS_PSK_WITH_NULL_SHA384
#endif
#endif
#endif
#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
!defined(NO_RSA) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#if !defined(NO_SHA)
#if defined(WOLFSSL_AES_128) && defined(HAVE_AES_CBC)
#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
#endif
#if defined(WOLFSSL_AES_256) && defined(HAVE_AES_CBC)
#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
#endif
#if !defined(NO_DES3)
#define BUILD_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif
#if !defined(NO_SHA256) && defined(HAVE_AES_CBC)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
#endif
#endif
#endif
#if defined(HAVE_ANON) && !defined(NO_TLS) && !defined(NO_DH) && \
!defined(NO_AES) && !defined(NO_SHA) && defined(WOLFSSL_AES_128)
#ifdef HAVE_AES_CBC
#define BUILD_TLS_DH_anon_WITH_AES_128_CBC_SHA
#endif
#if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM)
#define BUILD_TLS_DH_anon_WITH_AES_256_GCM_SHA384
#endif
#endif
#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS) && \
!defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#ifndef NO_SHA256
#if !defined(NO_AES) && defined(WOLFSSL_AES_128) && \
defined(HAVE_AES_CBC)
#define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
#endif
#ifdef HAVE_NULL_CIPHER
#define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256
#endif
#endif
#ifdef WOLFSSL_SHA384
#if !defined(NO_AES) && defined(WOLFSSL_AES_256) && \
defined(HAVE_AES_CBC)
#define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
#endif
#ifdef HAVE_NULL_CIPHER
#define BUILD_TLS_DHE_PSK_WITH_NULL_SHA384
#endif
#endif
#endif
#if (defined(HAVE_ECC) || defined(HAVE_CURVE25519) || \
defined(HAVE_CURVE448)) && !defined(NO_TLS)
#if !defined(NO_AES)
#if !defined(NO_SHA) && defined(HAVE_AES_CBC)
#if !defined(NO_RSA)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
#endif
#endif
#endif
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
#endif
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
#endif
#endif
#endif /* NO_SHA */
#if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) && \
defined(HAVE_AES_CBC)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
#endif
#endif
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
#endif
#endif
#if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) && \
defined(HAVE_AES_CBC)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
#endif
#endif
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
#endif
#endif
#if defined (HAVE_AESGCM)
#if !defined(NO_RSA)
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
#endif
#endif
#if defined(WOLFSSL_SHA384)
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(WOLFSSL_AES_128) && \
defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
#endif
#if defined(WOLFSSL_SHA384)
#if defined(WOLFSSL_STATIC_DH) && \
defined(WOLFSSL_AES_256) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#endif /* NO_AES */
#ifdef HAVE_ARIA
#define BUILD_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
#define BUILD_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
#endif /* HAVE_ARIA */
#if !defined(NO_RC4) && !defined(WSSL_HARDEN_TLS)
/* MUST NOT negotiate RC4 cipher suites
* https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#if !defined(NO_SHA)
#if !defined(NO_RSA)
#ifndef WOLFSSL_AEAD_ONLY
#define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
#endif
#endif
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#ifndef WOLFSSL_AEAD_ONLY
#define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
#endif
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
#endif
#endif
#endif
#if !defined(NO_DES3) && !(defined(WSSL_HARDEN_TLS) && \
WSSL_HARDEN_TLS > 112)
/* 3DES offers only 112 bits of security.
* Using guidance from section 5.6.1
* https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf */
#ifndef NO_SHA
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
#endif
#if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC)
#define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif /* NO_SHA */
#endif
#if defined(HAVE_NULL_CIPHER)
#if !defined(NO_SHA)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_NULL_SHA
#endif
#endif
#if !defined(NO_PSK) && !defined(NO_SHA256)
#define BUILD_TLS_ECDHE_PSK_WITH_NULL_SHA256
#endif
#endif
#if !defined(NO_PSK) && !defined(NO_SHA256) && !defined(NO_AES) && \
defined(WOLFSSL_AES_128) && defined(HAVE_AES_CBC)
#define BUILD_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
#endif
#if !defined(NO_PSK) && !defined(NO_SHA256) && !defined(NO_AES) && \
defined(WOLFSSL_AES_128) && defined(HAVE_AESGCM)
#define BUILD_TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256
#endif
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256)
#if !defined(NO_OLD_POLY1305)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256
#endif
#if !defined(NO_RSA) && defined(HAVE_ECC)
#define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256
#endif
#if !defined(NO_DH) && !defined(NO_RSA) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#define BUILD_TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256
#endif
#endif /* NO_OLD_POLY1305 */
#if !defined(NO_PSK)
#define BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || \
defined(HAVE_ED448)
#define BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256
#endif
#if !defined(NO_DH) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#define BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256
#endif
#endif /* !NO_PSK */
#endif
#endif /* !WOLFSSL_MAX_STRENGTH */
#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
!defined(NO_RSA) && defined(HAVE_AESGCM) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#if !defined(NO_SHA256) && defined(WOLFSSL_AES_128)
#define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
#endif
#if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256)
#define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS) && \
!defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#ifndef NO_SHA256
#if defined(HAVE_AESGCM) && defined(WOLFSSL_AES_128)
#define BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
#endif
#ifdef HAVE_AESCCM
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_DHE_PSK_WITH_AES_128_CCM
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_DHE_PSK_WITH_AES_256_CCM
#endif
#endif
#endif
#if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM) && \
defined(WOLFSSL_AES_256)
#define BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
#endif
#endif
#if (defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_CURVE448)) \
&& !defined(NO_TLS) && !defined(NO_AES)
#ifdef HAVE_AESGCM
#if !defined(NO_SHA256) && defined(WOLFSSL_AES_128)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
#endif
#ifndef NO_RSA
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
#endif
#endif
#if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
#endif
#ifndef NO_RSA
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#if defined(HAVE_AESCCM) && !defined(NO_SHA256)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#ifdef WOLFSSL_AES_128
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
#endif
#ifdef WOLFSSL_AES_256
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
#endif
#endif
#endif
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256)
#if defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_CURVE448)
#if defined(HAVE_ECC) || \
(defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \
(defined(HAVE_CURVE448) && defined(HAVE_ED448))
#define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#ifndef NO_RSA
#define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#endif
#if !defined(NO_DH) && !defined(NO_RSA) && !defined(NO_TLS_DH)
/* SHOULD NOT negotiate cipher suites based on ephemeral
* finite-field Diffie-Hellman key agreement (i.e., "TLS_DHE_*"
* suites). https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#define BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#endif
#if defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3)
#ifdef WOLFSSL_SM4_CBC
#define BUILD_TLS_ECDHE_ECDSA_WITH_SM4_CBC_SM3
#endif
#ifdef WOLFSSL_SM4_GCM
#define BUILD_TLS_ECDHE_ECDSA_WITH_SM4_GCM_SM3
#endif
#ifdef WOLFSSL_SM4_CCM
#define BUILD_TLS_ECDHE_ECDSA_WITH_SM4_CCM_SM3
#endif
#endif
#endif
#if defined(WOLFSSL_TLS13)
#ifdef HAVE_AESGCM
#if !defined(NO_SHA256) && defined(WOLFSSL_AES_128)
#define BUILD_TLS_AES_128_GCM_SHA256
#endif
#if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256)
#define BUILD_TLS_AES_256_GCM_SHA384
#endif
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
#ifndef NO_SHA256
#define BUILD_TLS_CHACHA20_POLY1305_SHA256
#endif
#endif
#ifdef HAVE_AESCCM
#if !defined(NO_SHA256) && defined(WOLFSSL_AES_128)
#define BUILD_TLS_AES_128_CCM_SHA256
#define BUILD_TLS_AES_128_CCM_8_SHA256
#endif
#endif
#ifdef HAVE_NULL_CIPHER
#ifndef NO_SHA256
#define BUILD_TLS_SHA256_SHA256
#endif
#ifdef WOLFSSL_SHA384
#define BUILD_TLS_SHA384_SHA384
#endif
#endif
#ifdef WOLFSSL_SM3
#ifdef WOLFSSL_SM4_GCM
#define BUILD_TLS_SM4_GCM_SM3
#endif
#ifdef WOLFSSL_SM4_CCM
#define BUILD_TLS_SM4_CCM_SM3
#endif
#endif
#endif
#if !defined(WOLFCRYPT_ONLY) && defined(NO_PSK) && \
(defined(NO_DH) || !defined(HAVE_ANON)) && \
defined(NO_RSA) && !defined(HAVE_ECC) && \
!defined(HAVE_ED25519) && !defined(HAVE_ED448)
#error "No cipher suites available with this build"
#endif
#ifdef WOLFSSL_MULTICAST
#if defined(HAVE_NULL_CIPHER) && !defined(NO_SHA256)
#define BUILD_WDM_WITH_NULL_SHA256
#endif
#endif
#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
#define BUILD_ARC4
#endif
#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
#define BUILD_DES3
#endif
#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256) || \
defined(BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256)
#undef BUILD_AES
#define BUILD_AES
#endif
#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384) || \
defined(BUILD_TLS_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_AES_256_GCM_SHA384)
#define BUILD_AESGCM
#else
/* No AES-GCM cipher suites available with build */
#define NO_AESGCM_AEAD
#endif
#if defined(BUILD_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384)
#define BUILD_ARIA
#endif
#if defined(BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \
defined(BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \
defined(BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \
defined(BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256) || \
defined(BUILD_TLS_CHACHA20_POLY1305_SHA256)
/* Have an available ChaCha Poly cipher suite */
#else
/* No ChaCha Poly cipher suites available with build */
#define NO_CHAPOL_AEAD
#endif
#ifdef NO_DES3
#define DES_BLOCK_SIZE 8
#else
#undef BUILD_DES3
#define BUILD_DES3
#endif
#if defined(NO_AES) || !defined(HAVE_AES_DECRYPT)
#define AES_BLOCK_SIZE 16
#undef BUILD_AES
#else
#undef BUILD_AES
#define BUILD_AES
#endif
#if !defined(NO_RC4) && !defined(WSSL_HARDEN_TLS)
/* MUST NOT negotiate RC4 cipher suites
* https://www.rfc-editor.org/rfc/rfc9325#section-4.1 */
#undef BUILD_ARC4
#define BUILD_ARC4
#endif
#ifdef HAVE_CHACHA
#define CHACHA20_BLOCK_SIZE 16
#endif
#if defined(WOLFSSL_MAX_STRENGTH) || \
(defined(HAVE_AESGCM) && !defined(NO_AESGCM_AEAD)) || \
defined(HAVE_AESCCM) || \
defined(HAVE_ARIA) || \
(defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && \
!defined(NO_CHAPOL_AEAD)) || \
defined(WOLFSSL_SM4_GCM) || defined(WOLFSSL_SM4_CCM) || \
(defined(WOLFSSL_TLS13) && defined(HAVE_NULL_CIPHER))
#define HAVE_AEAD
#endif
#if defined(WOLFSSL_MAX_STRENGTH) || \
defined(HAVE_ECC) || !defined(NO_DH)
#define HAVE_PFS
#endif
#ifdef WSSL_HARDEN_TLS
#ifdef HAVE_NULL_CIPHER
#error "NULL ciphers not allowed https://www.rfc-editor.org/rfc/rfc9325#section-4.1"
#endif
#ifdef WOLFSSL_STATIC_RSA
#error "Static RSA ciphers not allowed https://www.rfc-editor.org/rfc/rfc9325#section-4.1"
#endif
#ifdef WOLFSSL_STATIC_DH
#error "Static DH ciphers not allowed https://www.rfc-editor.org/rfc/rfc9325#section-4.1"
#endif
#ifdef HAVE_ANON
#error "At least the server side has to be authenticated"
#endif
#endif
#undef WSSL_HARDEN_TLS
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_EXTRA) || defined(HAVE_LIGHTY)
#define SSL_CA_NAMES(ssl) ((ssl)->client_ca_names != NULL ? (ssl)->client_ca_names : \
(ssl)->ctx->client_ca_names)
#else
#define WOLFSSL_NO_CA_NAMES
#endif
/* actual cipher values, 2nd byte */
enum {
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x16,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33,
TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x34,
TLS_RSA_WITH_AES_256_CBC_SHA = 0x35,
TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F,
TLS_RSA_WITH_NULL_MD5 = 0x01,
TLS_RSA_WITH_NULL_SHA = 0x02,
TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d,
TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae,
TLS_PSK_WITH_AES_256_CBC_SHA384 = 0xaf,
TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c,
TLS_PSK_WITH_NULL_SHA256 = 0xb0,
TLS_PSK_WITH_NULL_SHA384 = 0xb1,
TLS_PSK_WITH_NULL_SHA = 0x2c,
SSL_RSA_WITH_RC4_128_SHA = 0x05,
SSL_RSA_WITH_RC4_128_MD5 = 0x04,
SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A,
/* ECC suites, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09,
TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11,
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07,
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12,
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
TLS_ECDHE_ECDSA_WITH_NULL_SHA = 0x06,
TLS_ECDHE_PSK_WITH_NULL_SHA256 = 0x3a,
TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 = 0x37,
/* static ECDH, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04,
TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C,
TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02,
TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D,
TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25,
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26,
WDM_WITH_NULL_SHA256 = 0xFE, /* wolfSSL DTLS Multicast */
/* SHA256 */
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67,
TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d,
TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c,
TLS_RSA_WITH_NULL_SHA256 = 0x3b,
TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0xb2,
TLS_DHE_PSK_WITH_NULL_SHA256 = 0xb4,
/* SHA384 */
TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0xb3,
TLS_DHE_PSK_WITH_NULL_SHA384 = 0xb5,
/* AES-GCM */
TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c,
TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d,
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e,
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f,
TLS_DH_anon_WITH_AES_256_GCM_SHA384 = 0xa7,
TLS_PSK_WITH_AES_128_GCM_SHA256 = 0xa8,
TLS_PSK_WITH_AES_256_GCM_SHA384 = 0xa9,
TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0xaa,
TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0xab,
/* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b,
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c,
TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d,
TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e,
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f,
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30,
TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31,
TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32,
/* AES-CCM, first byte is 0xC0 but isn't ECC,
* also, in some of the other AES-CCM suites
* there will be second byte number conflicts
* with non-ECC AES-GCM */
TLS_RSA_WITH_AES_128_CCM_8 = 0xa0,
TLS_RSA_WITH_AES_256_CCM_8 = 0xa1,
TLS_ECDHE_ECDSA_WITH_AES_128_CCM = 0xac,
TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae,
TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf,
TLS_PSK_WITH_AES_128_CCM = 0xa4,
TLS_PSK_WITH_AES_256_CCM = 0xa5,
TLS_PSK_WITH_AES_128_CCM_8 = 0xa8,
TLS_PSK_WITH_AES_256_CCM_8 = 0xa9,
TLS_DHE_PSK_WITH_AES_128_CCM = 0xa6,
TLS_DHE_PSK_WITH_AES_256_CCM = 0xa7,
/* Camellia */
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4,
/* chacha20-poly1305 suites first byte is 0xCC (CHACHA_BYTE) */
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa8,
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa9,
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xaa,
TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xac,
TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xab,
TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xad,
/* chacha20-poly1305 earlier version of nonce and padding (CHACHA_BYTE) */
TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x13,
TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x14,
TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x15,
/* ECDHE_PSK RFC8442, first byte is 0xD0 (EDHE_PSK_BYTE) */
TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256 = 0x01,
/* TLS v1.3 cipher suites */
TLS_AES_128_GCM_SHA256 = 0x01,
TLS_AES_256_GCM_SHA384 = 0x02,
TLS_CHACHA20_POLY1305_SHA256 = 0x03,
TLS_AES_128_CCM_SHA256 = 0x04,
TLS_AES_128_CCM_8_SHA256 = 0x05,
/* TLS v1.3 Integrity only cipher suites - 0xC0 (ECC) first byte */
TLS_SHA256_SHA256 = 0xB4,
TLS_SHA384_SHA384 = 0xB5,
/* ARIA-GCM, first byte is 0xC0 (ECC_BYTE)
* See: https://www.rfc-editor.org/rfc/rfc6209.html#section-5
*/
TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 = 0x5c,
TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 = 0x5d,
/* TLS v1.3 SM cipher suites - 0x00 (CIPHER_BYTE) is first byte */
TLS_SM4_GCM_SM3 = 0xC6,
TLS_SM4_CCM_SM3 = 0xC7,
/* TLS v1.2 SM cipher suites - 0xE0 (SM_BYTE) is first byte */
TLS_ECDHE_ECDSA_WITH_SM4_CBC_SM3 = 0x11,
TLS_ECDHE_ECDSA_WITH_SM4_GCM_SM3 = 0x51,
TLS_ECDHE_ECDSA_WITH_SM4_CCM_SM3 = 0x52,
/* Fallback SCSV (Signaling Cipher Suite Value) */
TLS_FALLBACK_SCSV = 0x56,
/* Renegotiation Indication Extension Special Suite */
TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff
};
#ifndef WOLFSSL_SESSION_TIMEOUT
#define WOLFSSL_SESSION_TIMEOUT 500
/* default session resumption cache timeout in seconds */
#endif
#ifndef WOLFSSL_DTLS_WINDOW_WORDS
#define WOLFSSL_DTLS_WINDOW_WORDS 2
#endif /* WOLFSSL_DTLS_WINDOW_WORDS */
#define DTLS_WORD_BITS (sizeof(word32) * CHAR_BIT)
#define DTLS_SEQ_BITS (WOLFSSL_DTLS_WINDOW_WORDS * DTLS_WORD_BITS)
#define DTLS_SEQ_SZ (sizeof(word32) * WOLFSSL_DTLS_WINDOW_WORDS)
#ifndef WOLFSSL_MULTICAST
#define WOLFSSL_DTLS_PEERSEQ_SZ 1
#else
#ifndef WOLFSSL_MULTICAST_PEERS
/* max allowed multicast group peers */
#define WOLFSSL_MULTICAST_PEERS 100
#endif
#define WOLFSSL_DTLS_PEERSEQ_SZ WOLFSSL_MULTICAST_PEERS
#endif /* WOLFSSL_MULTICAST */
#ifndef WOLFSSL_MAX_MTU
/* 1500 - 100 bytes to account for UDP and IP headers */
#define WOLFSSL_MAX_MTU 1400
#endif /* WOLFSSL_MAX_MTU */
#ifndef WOLFSSL_DTLS_MTU_ADDITIONAL_READ_BUFFER
#define WOLFSSL_DTLS_MTU_ADDITIONAL_READ_BUFFER 500
#endif /* WOLFSSL_DTLS_MTU_ADDITIONAL_READ_BUFFER */
#ifndef WOLFSSL_DTLS_FRAG_POOL_SZ
#define WOLFSSL_DTLS_FRAG_POOL_SZ 10
#endif
/* set minimum DH key size allowed */
#ifndef WOLFSSL_MIN_DHKEY_BITS
#if defined(WOLFSSL_HARDEN_TLS) && !defined(WOLFSSL_HARDEN_TLS_NO_PKEY_CHECK)
/* Using guidance from section 5.6.1
* https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf */
#if WOLFSSL_HARDEN_TLS >= 128
#define WOLFSSL_MIN_DHKEY_BITS 3072
#elif WOLFSSL_HARDEN_TLS >= 112
#define WOLFSSL_MIN_DHKEY_BITS 2048
#endif
#elif defined(WOLFSSL_MAX_STRENGTH)
#define WOLFSSL_MIN_DHKEY_BITS 2048
#else
#define WOLFSSL_MIN_DHKEY_BITS 1024
#endif
#endif
#if defined(WOLFSSL_HARDEN_TLS) && WOLFSSL_MIN_DHKEY_BITS < 2048 && \
!defined(WOLFSSL_HARDEN_TLS_NO_PKEY_CHECK)
/* Implementations MUST NOT negotiate cipher suites offering less than
* 112 bits of security.
* https://www.rfc-editor.org/rfc/rfc9325#section-4.1
* Using guidance from section 5.6.1
* https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf */
#error "For 112 bits of security DH needs at least 2048 bit keys"
#endif
#if (WOLFSSL_MIN_DHKEY_BITS % 8)
#error DH minimum bit size must be multiple of 8
#endif
#if (WOLFSSL_MIN_DHKEY_BITS > 16000)
#error DH minimum bit size must not be greater than 16000
#endif
#define MIN_DHKEY_SZ (WOLFSSL_MIN_DHKEY_BITS / 8)
/* set maximum DH key size allowed */
#ifndef WOLFSSL_MAX_DHKEY_BITS
#if (defined(USE_FAST_MATH) && defined(FP_MAX_BITS) && FP_MAX_BITS >= 16384)
#define WOLFSSL_MAX_DHKEY_BITS (FP_MAX_BITS / 2)
#elif (defined(WOLFSSL_SP_MATH_ALL) || defined(WOLFSSL_SP_MATH)) && \
defined(SP_INT_BITS)
/* SP implementation supports numbers of SP_INT_BITS bits. */
#define WOLFSSL_MAX_DHKEY_BITS (((SP_INT_BITS + 7) / 8) * 8)
#else
#define WOLFSSL_MAX_DHKEY_BITS 4096
#endif
#endif
#if (WOLFSSL_MAX_DHKEY_BITS % 8)
#error DH maximum bit size must be multiple of 8
#endif
#if (WOLFSSL_MAX_DHKEY_BITS > 16384)
#error DH maximum bit size must not be greater than 16384
#endif
#define MAX_DHKEY_SZ (WOLFSSL_MAX_DHKEY_BITS / 8)
#ifndef NO_DH
#if WOLFSSL_MAX_DHKEY_BITS < WOLFSSL_MIN_DHKEY_BITS
#error "WOLFSSL_MAX_DHKEY_BITS has to be greater than WOLFSSL_MIN_DHKEY_BITS"
#endif
#endif /* NO_DH */
#ifndef MAX_PSK_ID_LEN
/* max psk identity/hint supported */
#if defined(WOLFSSL_TLS13)
/* OpenSSL has a 1472 byte session ticket */
#define MAX_PSK_ID_LEN 1536
#else
#define MAX_PSK_ID_LEN 128
#endif
#endif
#ifndef MAX_EARLY_DATA_SZ
/* maximum early data size */
#define MAX_EARLY_DATA_SZ 4096
#endif
#ifndef NO_RSA
#ifndef WOLFSSL_MAX_RSA_BITS
#ifdef USE_FAST_MATH
/* FP implementation support numbers up to FP_MAX_BITS / 2 bits. */
#define WOLFSSL_MAX_RSA_BITS (FP_MAX_BITS / 2)
#elif defined(WOLFSSL_SP_MATH_ALL) || defined(WOLFSSL_SP_MATH)
/* SP implementation supports numbers of SP_INT_BITS bits. */
#define WOLFSSL_MAX_RSA_BITS (((SP_INT_BITS + 7) / 8) * 8)
#else
/* Integer maths is dynamic but we only go up to 4096 bits. */
#define WOLFSSL_MAX_RSA_BITS 4096
#endif
#endif
#if (WOLFSSL_MAX_RSA_BITS % 8)
#error RSA maximum bit size must be multiple of 8
#endif
#endif
#if !defined(NO_RSA) || !defined(NO_DH) || defined(HAVE_ECC)
/* MySQL wants to be able to use 8192-bit numbers. */
#if defined(USE_FAST_MATH) && defined(FP_MAX_BITS)
/* Use the FP size up to 8192-bit and down to a min of 1024-bit. */
#if FP_MAX_BITS >= 16384
#define ENCRYPT_BASE_BITS 8192
#elif defined(HAVE_ECC)
#if FP_MAX_BITS > 2224
#define ENCRYPT_BASE_BITS (FP_MAX_BITS / 2)
#else
/* 521-bit ASN.1 signature - 3 + 2 * (2 + 66) bytes. */
#define ENCRYPT_BASE_BITS 1112
#endif
#else
#if FP_MAX_BITS > 2048
#define ENCRYPT_BASE_BITS (FP_MAX_BITS / 2)
#else
#define ENCRYPT_BASE_BITS 1024
#endif
#endif
/* Check MySQL size requirements met. */
#if defined(WOLFSSL_MYSQL_COMPATIBLE) && ENCRYPT_BASE_BITS < 8192
#error "MySQL needs FP_MAX_BITS at least at 16384"
#endif
#if !defined(NO_RSA) && defined(WOLFSSL_MAX_RSA_BITS) && \
WOLFSSL_MAX_RSA_BITS > ENCRYPT_BASE_BITS
#error "FP_MAX_BITS too small for WOLFSSL_MAX_RSA_BITS"
#endif
#elif defined(WOLFSSL_SP_MATH_ALL) || defined(WOLFSSL_SP_MATH)
/* Use the SP size up to 8192-bit and down to a min of 1024-bit. */
#if SP_INT_BITS >= 8192
#define ENCRYPT_BASE_BITS 8192
#elif defined(HAVE_ECC)
#if SP_INT_BITS > 1112
#define ENCRYPT_BASE_BITS SP_INT_BITS
#else
/* 521-bit ASN.1 signature - 3 + 2 * (2 + 66) bytes. */
#define ENCRYPT_BASE_BITS 1112
#endif
#else
#if SP_INT_BITS > 1024
#define ENCRYPT_BASE_BITS SP_INT_BITS
#else
#define ENCRYPT_BASE_BITS 1024
#endif
#endif
/* Check MySQL size requirements met. */
#if defined(WOLFSSL_MYSQL_COMPATIBLE) && ENCRYPT_BASE_BITS < 8192
#error "MySQL needs SP_INT_BITS at least at 8192"
#endif
#if !defined(NO_RSA) && defined(WOLFSSL_MAX_RSA_BITS) && \
WOLFSSL_MAX_RSA_BITS > SP_INT_BITS
#error "SP_INT_BITS too small for WOLFSSL_MAX_RSA_BITS"
#endif
#else
/* Integer/heap maths - support 4096-bit. */
#define ENCRYPT_BASE_BITS 4096
#endif
#elif defined(HAVE_CURVE448)
#define ENCRYPT_BASE_BITS (456 * 2)
#elif defined(HAVE_CURVE25519)
#define ENCRYPT_BASE_BITS (256 * 2)
#else
/* No secret from public key operation but PSK key plus length used. */
#define ENCRYPT_BASE_BITS ((MAX_PSK_ID_LEN + 2) * 8)
#endif
#ifdef WOLFSSL_DTLS_CID
#ifndef DTLS_CID_MAX_SIZE
/* DTLSv1.3 parsing code copies the record header in a static buffer to decrypt
* the record. Increasing the CID max size does increase also this buffer,
* impacting on per-session runtime memory footprint. */
#define DTLS_CID_MAX_SIZE 2
#endif
#else
#undef DTLS_CID_MAX_SIZE
#define DTLS_CID_MAX_SIZE 0
#endif /* WOLFSSL_DTLS_CID */
#if DTLS_CID_MAX_SIZE > 255
#error "Max size for DTLS CID is 255 bytes"
#endif
#ifndef MAX_TICKET_AGE_DIFF
/* maximum ticket age difference in seconds, 10 seconds */
#define MAX_TICKET_AGE_DIFF 10
#endif
#ifndef TLS13_MAX_TICKET_AGE
/* max ticket age in seconds, 7 days */
#define TLS13_MAX_TICKET_AGE (7*24*60*60)
#endif
/* Limit is 2^24.5
* https://www.rfc-editor.org/rfc/rfc8446#section-5.5
* Without the fraction is 23726566 (0x016A09E6) */
#define AEAD_AES_LIMIT w64From32(0x016A, 0x09E6)
/* Limit is 2^23
* https://www.rfc-editor.org/rfc/rfc9147.html#name-integrity-limits */
#define DTLS_AEAD_AES_CCM_LIMIT w64From32(0, 1 << 22)
/* Limit is 2^36
* https://www.rfc-editor.org/rfc/rfc9147.html#name-aead-limits */
#define DTLS_AEAD_AES_GCM_CHACHA_FAIL_LIMIT w64From32(1 << 3, 0)
#define DTLS_AEAD_AES_GCM_CHACHA_FAIL_KU_LIMIT w64From32(1 << 2, 0)
/* Limit is 2^7
* https://www.rfc-editor.org/rfc/rfc9147.html#name-limits-for-aead_aes_128_ccm */
#define DTLS_AEAD_AES_CCM_8_FAIL_LIMIT w64From32(0, 1 << 6)
#define DTLS_AEAD_AES_CCM_8_FAIL_KU_LIMIT w64From32(0, 1 << 5)
/* Limit is 2^23.5.
* https://www.rfc-editor.org/rfc/rfc9147.html#name-integrity-limits
* Without the fraction is 11863283 (0x00B504F3)
* Half of this value is 5931641 (0x005A8279) */
#define DTLS_AEAD_AES_CCM_FAIL_LIMIT w64From32(0x00B5, 0x04F3)
#define DTLS_AEAD_AES_CCM_FAIL_KU_LIMIT w64From32(0x005A, 0x8279)
/* Limit is (2^22 - 1) full messages [2^36 - 31 octets]
* https://www.rfc-editor.org/rfc/rfc8998.html#name-aead_sm4_gcm
*/
#define AEAD_SM4_GCM_LIMIT w64From32(0, (1 << 22) - 1)
/* Limit is (2^10 - 1) full messages [2^24 - 1 octets]
* https://www.rfc-editor.org/rfc/rfc8998.html#name-aead_sm4_ccm
*/
#define AEAD_SM4_CCM_LIMIT w64From32(0, (1 << 10) - 1)
#if defined(WOLFSSL_TLS13) || !defined(NO_PSK)
#define TLS13_TICKET_NONCE_MAX_SZ 255
#if (defined(HAVE_FIPS) && \
!(defined(FIPS_VERSION_GE) && FIPS_VERSION_GE(5,3))) && \
defined(TLS13_TICKET_NONCE_STATIC_SZ)
#error "TLS13_TICKET_NONCE_STATIC_SZ is not supported in this FIPS version"
#endif
#ifndef TLS13_TICKET_NONCE_STATIC_SZ
#define TLS13_TICKET_NONCE_STATIC_SZ 8
#endif
#if TLS13_TICKET_NONCE_STATIC_SZ > TLS13_TICKET_NONCE_MAX_SZ
#error "Max size for ticket nonce is 255 bytes"
#endif
#endif /* WOLFSSL_TLS13 || !NO_PSK */
#ifdef WOLFSSL_TLS13
/* The length of the certificate verification label - client and server. */
#define CERT_VFY_LABEL_SZ 34
/* The number of prefix bytes for signature data. */
#define SIGNING_DATA_PREFIX_SZ 64
/* Maximum length of the signature data. */
#define MAX_SIG_DATA_SZ (SIGNING_DATA_PREFIX_SZ + \
CERT_VFY_LABEL_SZ + \
WC_MAX_DIGEST_SIZE)
#endif /* WOLFSSL_TLS13 */
enum Misc {
CIPHER_BYTE = 0x00, /* Default ciphers */
ECC_BYTE = 0xC0, /* ECC first cipher suite byte */
CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */
TLS13_BYTE = 0x13, /* TLS v1.3 first byte of cipher suite */
ECDHE_PSK_BYTE = 0xD0, /* RFC 8442 */
SM_BYTE = 0xE0, /* SM first byte - private range */
SEND_CERT = 1,
SEND_BLANK_CERT = 2,
DTLS_MAJOR = 0xfe, /* DTLS major version number */
DTLS_MINOR = 0xff, /* DTLS minor version number */
DTLS_BOGUS_MINOR = 0xfe, /* DTLS 0xfe was skipped, see RFC6347 Sec. 1 */
DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */
DTLSv1_3_MINOR = 0xfc, /* DTLS minor version number */
SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */
SSLv3_MINOR = 0, /* TLSv1 minor version number */
TLSv1_MINOR = 1, /* TLSv1 minor version number */
TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */
TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */
TLSv1_3_MINOR = 4, /* TLSv1_3 minor version number */
TLS_DRAFT_MAJOR = 0x7f, /* Draft TLS major version number */
OLD_HELLO_ID = 0x01, /* SSLv2 Client Hello Indicator */
INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */
NO_COMPRESSION = 0,
ZLIB_COMPRESSION = 221, /* wolfSSL zlib compression */
HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */
HELLO_EXT_EXTMS = 0x0017, /* ID for the extended master secret ext */
SECRET_LEN = WOLFSSL_MAX_MASTER_KEY_LENGTH,
/* pre RSA and all master */
#if !defined(WOLFSSL_TLS13) || defined(WOLFSSL_32BIT_MILLI_TIME)
TIMESTAMP_LEN = 4, /* timestamp size in ticket */
#else
TIMESTAMP_LEN = 8, /* timestamp size in ticket */
#endif
#ifdef WOLFSSL_TLS13
AGEADD_LEN = 4, /* ageAdd size in ticket */
NAMEDGROUP_LEN = 2, /* namedGroup size in ticket */
#ifdef WOLFSSL_EARLY_DATA
MAXEARLYDATASZ_LEN = 4, /* maxEarlyDataSz size in ticket */
#endif
#endif
#ifdef HAVE_PQC
ENCRYPT_LEN = 4600, /* allow 4600 byte buffer for dilithium. */
#else
#ifndef NO_PSK
ENCRYPT_LEN = (ENCRYPT_BASE_BITS / 8) + MAX_PSK_ID_LEN + 2,
#else
ENCRYPT_LEN = (ENCRYPT_BASE_BITS / 8),
#endif
#endif
SIZEOF_SENDER = 4, /* clnt or srvr */
FINISHED_SZ = 36, /* WC_MD5_DIGEST_SIZE + WC_SHA_DIGEST_SIZE */
MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */
MAX_PLAINTEXT_SZ = (1 << 14), /* Max plaintext sz */
MAX_TLS_CIPHER_SZ = (1 << 14) + 2048, /* Max TLS encrypted data sz */
#ifdef WOLFSSL_TLS13
MAX_TLS13_PLAIN_SZ = (1 << 14) + 1, /* Max unencrypted data sz */
MAX_TLS13_ENC_SZ = (1 << 14) + 256, /* Max encrypted data sz */
#endif
MAX_MSG_EXTRA = 38 + WC_MAX_DIGEST_SIZE,
/* max added to msg, mac + pad from */
/* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max
digest sz + BLOC_SZ (iv) + pad byte (1) */
MAX_COMP_EXTRA = 1024, /* max compression extra */
MAX_MTU = WOLFSSL_MAX_MTU, /* max expected MTU */
MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */
MAX_DH_SZ = (MAX_DHKEY_SZ * 3) + 12, /* DH_P, DH_G and DH_Pub */
/* 4096 p, pub, g + 2 byte size for each */
MAX_STR_VERSION = 8, /* string rep of protocol version */
PAD_MD5 = 48, /* pad length for finished */
PAD_SHA = 40, /* pad length for finished */
MAX_PAD_SIZE = 256, /* maximum length of padding */
LENGTH_SZ = 2, /* length field for HMAC, data only */
VERSION_SZ = 2, /* length of proctocol version */
SEQ_SZ = 8, /* 64 bit sequence number */
ALERT_SIZE = 2, /* level + description */
VERIFY_HEADER = 2, /* always use 2 bytes */
EXTS_SZ = 2, /* always use 2 bytes */
EXT_ID_SZ = 2, /* always use 2 bytes */
MAX_DH_SIZE = MAX_DHKEY_SZ+1,
/* Max size plus possible leading 0 */
MIN_FFHDE_GROUP = 0x100, /* Named group minimum for FFDHE parameters */
MAX_FFHDE_GROUP = 0x1FF, /* Named group maximum for FFDHE parameters */
SESSION_HINT_SZ = 4, /* session timeout hint */
SESSION_ADD_SZ = 4, /* session age add */
TICKET_NONCE_LEN_SZ = 1, /* Ticket nonce length size */
DEF_TICKET_NONCE_SZ = 1, /* Default ticket nonce size */
#if defined(WOLFSSL_TLS13) || !defined(NO_PSK)
MAX_TICKET_NONCE_STATIC_SZ = TLS13_TICKET_NONCE_STATIC_SZ,
/* maximum ticket nonce static size */
#endif /* WOLFSSL_TLS13 || !NO_PSK */
MAX_LIFETIME = 604800, /* maximum ticket lifetime */
RAN_LEN = 32, /* random length */
SEED_LEN = RAN_LEN * 2, /* tls prf seed length */
ID_LEN = 32, /* session id length */
COOKIE_SECRET_SZ = 14, /* dtls cookie secret size */
MAX_COOKIE_LEN = 32, /* max dtls cookie size */
COOKIE_SZ = 20, /* use a 20 byte cookie */
SUITE_LEN = 2, /* cipher suite sz length */
ENUM_LEN = 1, /* always a byte */
OPAQUE8_LEN = 1, /* 1 byte */
OPAQUE16_LEN = 2, /* 2 bytes */
OPAQUE24_LEN = 3, /* 3 bytes */
OPAQUE32_LEN = 4, /* 4 bytes */
OPAQUE64_LEN = 8, /* 8 bytes */
COMP_LEN = 1, /* compression length */
CURVE_LEN = 2, /* ecc named curve length */
KE_GROUP_LEN = 2, /* key exchange group length */
#if defined(NO_SHA) && !defined(NO_SHA256)
SERVER_ID_LEN = WC_SHA256_DIGEST_SIZE,
#else
SERVER_ID_LEN = WC_SHA_DIGEST_SIZE,
#endif
HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */
RECORD_HEADER_SZ = 5, /* type + version + len(2) */
CERT_HEADER_SZ = 3, /* always 3 bytes */
REQ_HEADER_SZ = 2, /* cert request header sz */
HINT_LEN_SZ = 2, /* length of hint size field */
TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */
HELLO_EXT_SZ = 4, /* base length of a hello extension */
HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */
HELLO_EXT_SZ_SZ = 2, /* length of a hello extension size */
HELLO_EXT_SIGALGO_SZ = 2, /* length of number of items in sigalgo list */
DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */
DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */
DTLS_UNIFIED_HEADER_MIN_SZ = 2,
/* flags + seq_number(2) + length(2) + CID */
DTLS_RECVD_RL_HEADER_MAX_SZ = 5 + DTLS_CID_MAX_SIZE,
DTLS_RECORD_HEADER_MAX_SZ = 13,
DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */
DTLS_RECORD_EXTRA = 8, /* diff from normal */
DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */
DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */
DTLS_POOL_SZ = 20, /* allowed number of list items in TX and
* RX pool */
DTLS_FRAG_POOL_SZ = WOLFSSL_DTLS_FRAG_POOL_SZ,
/* allowed number of fragments per msg */
DTLS_EXPORT_PRO = 165,/* wolfSSL protocol for serialized session */
DTLS_EXPORT_STATE_PRO = 166,/* wolfSSL protocol for serialized state */
TLS_EXPORT_PRO = 167,/* wolfSSL protocol for serialized TLS */
DTLS_EXPORT_OPT_SZ = 62, /* amount of bytes used from Options */
DTLS_EXPORT_OPT_SZ_4 = 61, /* amount of bytes used from Options */
TLS_EXPORT_OPT_SZ = 65, /* amount of bytes used from Options */
DTLS_EXPORT_OPT_SZ_3 = 60, /* amount of bytes used from Options */
DTLS_EXPORT_KEY_SZ = 325 + (DTLS_SEQ_SZ * 2),
/* max amount of bytes used from Keys */
DTLS_EXPORT_MIN_KEY_SZ = 85 + (DTLS_SEQ_SZ * 2),
/* min amount of bytes used from Keys */
WOLFSSL_EXPORT_TLS = 1,
WOLFSSL_EXPORT_DTLS = 0,
#ifndef WOLFSSL_EXPORT_SPC_SZ
WOLFSSL_EXPORT_SPC_SZ = 16, /* amount of bytes used from CipherSpecs */
#endif
WOLFSSL_EXPORT_LEN = 2, /* 2 bytes for length and protocol */
WOLFSSL_EXPORT_VERSION = 5, /* wolfSSL version for serialized session */
WOLFSSL_EXPORT_VERSION_4 = 4, /* 5.6.4 release and before */
/* older export versions supported */
WOLFSSL_EXPORT_VERSION_3 = 3, /* wolfSSL version before TLS 1.3 addition */
MAX_EXPORT_IP = 46, /* max ip size IPv4 mapped IPv6 */
DTLS_MTU_ADDITIONAL_READ_BUFFER = WOLFSSL_DTLS_MTU_ADDITIONAL_READ_BUFFER,
/* Additional bytes to read so that
* we can work with a peer that has
* a slightly different MTU than us. */
MAX_EXPORT_BUFFER = 514, /* max size of buffer for exporting */
MAX_EXPORT_STATE_BUFFER = (DTLS_EXPORT_MIN_KEY_SZ) + (3 * WOLFSSL_EXPORT_LEN),
/* max size of buffer for exporting state */
FINISHED_LABEL_SZ = 15, /* TLS finished label size */
TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
TLS_FINISHED_SZ_MAX = WC_MAX_DIGEST_SIZE,
/* longest message digest size is SHA512, 64 */
EXT_MASTER_LABEL_SZ = 22, /* TLS extended master secret label sz */
MASTER_LABEL_SZ = 13, /* TLS master secret label sz */
KEY_LABEL_SZ = 13, /* TLS key block expansion sz */
PROTOCOL_LABEL_SZ = 9, /* Length of the protocol label */
MAX_LABEL_SZ = 34, /* Maximum length of a label */
MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */
SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */
TLS_MAX_PAD_SZ = 255, /* Max padding in TLS */
#if defined(HAVE_NULL_CIPHER) && defined(WOLFSSL_TLS13)
#if defined(WOLFSSL_SHA384) && WC_MAX_SYM_KEY_SIZE < 48
MAX_SYM_KEY_SIZE = WC_SHA384_DIGEST_SIZE,
#elif !defined(NO_SHA256) && WC_MAX_SYM_KEY_SIZE < 32
MAX_SYM_KEY_SIZE = WC_SHA256_DIGEST_SIZE,
#else
MAX_SYM_KEY_SIZE = WC_MAX_SYM_KEY_SIZE,
#endif
#else
MAX_SYM_KEY_SIZE = WC_MAX_SYM_KEY_SIZE,
#endif
#if defined(HAVE_SELFTEST) && \
(!defined(HAVE_SELFTEST_VERSION) || (HAVE_SELFTEST_VERSION < 2))
#ifndef WOLFSSL_AES_KEY_SIZE_ENUM
#define WOLFSSL_AES_KEY_SIZE_ENUM
AES_IV_SIZE = 16,
AES_128_KEY_SIZE = 16,
AES_192_KEY_SIZE = 24,
AES_256_KEY_SIZE = 32,
#endif
#endif
MAX_IV_SZ = AES_BLOCK_SIZE,
AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */
AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */
AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */
AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */
AEAD_LEN_OFFSET = 11, /* Auth Data: Length */
AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */
AEAD_NONCE_SZ = 12,
AESGCM_IMP_IV_SZ = 4, /* Size of GCM/CCM AEAD implicit IV */
AESGCM_EXP_IV_SZ = 8, /* Size of GCM/CCM AEAD explicit IV */
AESGCM_NONCE_SZ = AESGCM_EXP_IV_SZ + AESGCM_IMP_IV_SZ,
GCM_IMP_IV_SZ = 4, /* Size of GCM/CCM AEAD implicit IV */
GCM_EXP_IV_SZ = 8, /* Size of GCM/CCM AEAD explicit IV */
GCM_NONCE_SZ = GCM_EXP_IV_SZ + GCM_IMP_IV_SZ,
CHACHA20_IMP_IV_SZ = 12, /* Size of ChaCha20 AEAD implicit IV */
CHACHA20_NONCE_SZ = 12, /* Size of ChacCha20 nonce */
CHACHA20_OLD_OFFSET = 4, /* Offset for seq # in old poly1305 */
/* For any new implicit/explicit IV size adjust AEAD_MAX_***_SZ */
AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */
AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */
AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */
AESCCM_NONCE_SZ = 12,
SM4_GCM_AUTH_SZ = 16, /* SM4-GCM Auth Tag length */
SM4_GCM_NONCE_SZ = 12, /* SM4 GCM Nonce length */
SM4_CCM_AUTH_SZ = 16, /* SM4-CCM Auth Tag length */
SM4_CCM_NONCE_SZ = 12, /* SM4 CCM Nonce length */
CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */
CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */
CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */
CAMELLIA_IV_SIZE = 16, /* always block size */
CHACHA20_256_KEY_SIZE = 32, /* for 256 bit */
CHACHA20_128_KEY_SIZE = 16, /* for 128 bit */
CHACHA20_IV_SIZE = 12, /* 96 bits for iv */
POLY1305_AUTH_SZ = 16, /* 128 bits */
HMAC_NONCE_SZ = 12, /* Size of HMAC nonce */
EVP_SALT_SIZE = 8, /* evp salt size 64 bits */
#ifndef ECDHE_SIZE /* allow this to be overridden at compile-time */
ECDHE_SIZE = 32, /* ECDHE server size defaults to 256 bit */
#endif
MAX_EXPORT_ECC_SZ = 256, /* Export ANSI X9.62 max future size */
MAX_CURVE_NAME_SZ = 16, /* Maximum size of curve name string */
NEW_SA_MAJOR = 8, /* Most significant byte used with new sig algos */
ED25519_SA_MAJOR = 8, /* Most significant byte for ED25519 */
ED25519_SA_MINOR = 7, /* Least significant byte for ED25519 */
ED448_SA_MAJOR = 8, /* Most significant byte for ED448 */
ED448_SA_MINOR = 8, /* Least significant byte for ED448 */
SM2_SA_MAJOR = 7, /* Most significant byte for SM2 with SM3 */
SM2_SA_MINOR = 8, /* Least significant byte for SM2 with SM3 */
PQC_SA_MAJOR = 0xFE,/* Most significant byte used with PQC sig algs */
/* These values for falcon and dilithium match what OQS has defined in their OpenSSL fork. */
FALCON_LEVEL1_SA_MAJOR = 0xFE,
FALCON_LEVEL1_SA_MINOR = 0x0B,
FALCON_LEVEL5_SA_MAJOR = 0xFE,
FALCON_LEVEL5_SA_MINOR = 0x0E,
DILITHIUM_LEVEL2_SA_MAJOR = 0xFE,
DILITHIUM_LEVEL2_SA_MINOR = 0xA0,
DILITHIUM_LEVEL3_SA_MAJOR = 0xFE,
DILITHIUM_LEVEL3_SA_MINOR = 0xA3,
DILITHIUM_LEVEL5_SA_MAJOR = 0xFE,
DILITHIUM_LEVEL5_SA_MINOR = 0xA5,
MIN_RSA_SHA512_PSS_BITS = 512 * 2 + 8 * 8, /* Min key size */
MIN_RSA_SHA384_PSS_BITS = 384 * 2 + 8 * 8, /* Min key size */
#if defined(HAVE_PQC)
MAX_CERT_VERIFY_SZ = 6000, /* For Dilithium */
#elif !defined(NO_RSA) && defined(WOLFSSL_MAX_RSA_BITS)
MAX_CERT_VERIFY_SZ = WOLFSSL_MAX_RSA_BITS / 8, /* max RSA bytes */
#elif defined(HAVE_ECC)
MAX_CERT_VERIFY_SZ = ECC_MAX_SIG_SIZE, /* max ECC */
#elif defined(HAVE_ED448)
MAX_CERT_VERIFY_SZ = ED448_SIG_SIZE, /* max Ed448 */
#elif defined(HAVE_ED25519)
MAX_CERT_VERIFY_SZ = ED25519_SIG_SIZE, /* max Ed25519 */
#else
MAX_CERT_VERIFY_SZ = 1024, /* max default */
#endif
CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */
MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */
DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */
DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */
DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */
NULL_TERM_LEN = 1, /* length of null '\0' termination character */
MAX_PSK_KEY_LEN = 64, /* max psk key supported */
MIN_PSK_ID_LEN = 6, /* min length of identities */
MIN_PSK_BINDERS_LEN = 33, /* min length of binders */
#ifndef MAX_WOLFSSL_FILE_SIZE
MAX_WOLFSSL_FILE_SIZE = 1024UL * 1024UL * 4, /* 4 mb file size alloc limit */
#endif
CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */
NO_SNIFF = 0, /* not sniffing */
SNIFF = 1, /* currently sniffing */
HASH_SIG_SIZE = 2, /* default SHA1 RSA */
NO_COPY = 0, /* should we copy static buffer for write */
COPY = 1, /* should we copy static buffer for write */
INVALID_PEER_ID = 0xFFFF, /* Initialize value for peer ID. */
PREV_ORDER = -1, /* Sequence number is in previous epoch. */
PEER_ORDER = 1, /* Peer sequence number for verify. */
CUR_ORDER = 0, /* Current sequence number. */
WRITE_PROTO = 1, /* writing a protocol message */
READ_PROTO = 0 /* reading a protocol message */
};
#define WOLFSSL_NAMED_GROUP_IS_FFHDE(group) \
(MIN_FFHDE_GROUP <= (group) && (group) <= MAX_FFHDE_GROUP)
#ifdef HAVE_PQC
#define WOLFSSL_NAMED_GROUP_IS_PQC(group) \
(WOLFSSL_PQC_MIN <= (group) && (group) <= WOLFSSL_PQC_MAX)
#else
#define WOLFSSL_NAMED_GROUP_IS_PQC(group) ((void)(group), 0)
#endif /* HAVE_PQC */
/* minimum Downgrade Minor version */
#ifndef WOLFSSL_MIN_DOWNGRADE
#ifndef NO_OLD_TLS
#define WOLFSSL_MIN_DOWNGRADE TLSv1_MINOR
#else
#define WOLFSSL_MIN_DOWNGRADE TLSv1_2_MINOR
#endif
#endif
/* minimum DTLS Downgrade Minor version */
#ifndef WOLFSSL_MIN_DTLS_DOWNGRADE
#define WOLFSSL_MIN_DTLS_DOWNGRADE DTLS_MINOR;
#endif
/* Set max implicit IV size for AEAD cipher suites */
#define AEAD_MAX_IMP_SZ 12
/* Set max explicit IV size for AEAD cipher suites */
#define AEAD_MAX_EXP_SZ 8
#ifndef WOLFSSL_MAX_SUITE_SZ
#define WOLFSSL_MAX_SUITE_SZ 300
/* 150 suites for now! */
#endif
/* number of items in the signature algo list */
#ifndef WOLFSSL_MAX_SIGALGO
#ifdef HAVE_PQC
/* If we are building with post-quantum algorithms, we likely want to
* inter-op with OQS's OpenSSL and they send a lot more sigalgs.
*/
#define WOLFSSL_MAX_SIGALGO 128
#else
#define WOLFSSL_MAX_SIGALGO 38
#endif
#endif
/* set minimum ECC key size allowed */
#ifndef WOLFSSL_MIN_ECC_BITS
#ifdef WOLFSSL_MAX_STRENGTH
#define WOLFSSL_MIN_ECC_BITS 256
#else
#define WOLFSSL_MIN_ECC_BITS 224
#endif
#endif /* WOLFSSL_MIN_ECC_BITS */
#if (WOLFSSL_MIN_ECC_BITS % 8)
/* Some ECC keys are not divisible by 8 such as prime239v1 or sect131r1.
In these cases round down to the nearest value divisible by 8. The
restriction of being divisible by 8 is in place to match wc_ecc_size
function from wolfSSL.
*/
#error ECC minimum bit size must be a multiple of 8
#endif
#define MIN_ECCKEY_SZ (WOLFSSL_MIN_ECC_BITS / 8)
#ifdef HAVE_PQC
#ifndef MIN_FALCONKEY_SZ
#define MIN_FALCONKEY_SZ 897
#endif
#ifndef MIN_DILITHIUMKEY_SZ
#define MIN_DILITHIUMKEY_SZ 1312
#endif
#endif
/* set minimum RSA key size allowed */
#ifndef WOLFSSL_MIN_RSA_BITS
#if defined(WOLFSSL_HARDEN_TLS) && !defined(WOLFSSL_HARDEN_TLS_NO_PKEY_CHECK)
/* Using guidance from section 5.6.1
* https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf */
#if WOLFSSL_HARDEN_TLS >= 128
#define WOLFSSL_MIN_RSA_BITS 3072
#elif WOLFSSL_HARDEN_TLS >= 112
#define WOLFSSL_MIN_RSA_BITS 2048
#endif
#elif defined(WOLFSSL_MAX_STRENGTH)
#define WOLFSSL_MIN_RSA_BITS 2048
#else
#define WOLFSSL_MIN_RSA_BITS 1024
#endif
#endif /* WOLFSSL_MIN_RSA_BITS */
#if defined(WOLFSSL_HARDEN_TLS) && WOLFSSL_MIN_RSA_BITS < 2048 && \
!defined(WOLFSSL_HARDEN_TLS_NO_PKEY_CHECK)
/* Implementations MUST NOT negotiate cipher suites offering less than
* 112 bits of security.
* https://www.rfc-editor.org/rfc/rfc9325#section-4.1
* Using guidance from section 5.6.1
* https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf */
#error "For 112 bits of security RSA needs at least 2048 bit keys"
#endif
#if (WOLFSSL_MIN_RSA_BITS % 8)
/* This is to account for the example case of a min size of 2050 bits but
still allows 2049 bit key. So we need the measurement to be in bytes. */
#error RSA minimum bit size must be a multiple of 8
#endif
#define MIN_RSAKEY_SZ (WOLFSSL_MIN_RSA_BITS / 8)
#ifdef SESSION_INDEX
/* Shift values for making a session index */
#define SESSIDX_ROW_SHIFT 4
#define SESSIDX_IDX_MASK 0x0F
#endif
#ifndef MAX_X509_SIZE
#if defined(HAVE_PQC)
#define MAX_X509_SIZE (8*1024) /* max static x509 buffer size; dilithium is big */
#elif defined(WOLFSSL_HAPROXY)
#define MAX_X509_SIZE 3072 /* max static x509 buffer size */
#else
#define MAX_X509_SIZE 2048 /* max static x509 buffer size */
#endif
#endif
/* max cert chain peer depth */
#ifndef MAX_CHAIN_DEPTH
#define MAX_CHAIN_DEPTH 9
#endif
/* max size of a certificate message payload */
/* assumes MAX_CHAIN_DEPTH number of certificates at 2kb per certificate */
#ifndef MAX_CERTIFICATE_SZ
#define MAX_CERTIFICATE_SZ \
(CERT_HEADER_SZ + \
(MAX_X509_SIZE + CERT_HEADER_SZ) * MAX_CHAIN_DEPTH)
#endif
/* max size of a handshake message, currently set to the certificate */
#ifndef MAX_HANDSHAKE_SZ
#define MAX_HANDSHAKE_SZ MAX_CERTIFICATE_SZ
#endif
#ifndef PREALLOC_SESSION_TICKET_LEN
#define PREALLOC_SESSION_TICKET_LEN 512
#endif
#ifndef PREALLOC_SESSION_TICKET_NONCE_LEN
#define PREALLOC_SESSION_TICKET_NONCE_LEN 32
#endif
#ifndef SESSION_TICKET_HINT_DEFAULT
#define SESSION_TICKET_HINT_DEFAULT 300
#endif
#if !defined(WOLFSSL_NO_DEF_TICKET_ENC_CB) && !defined(NO_WOLFSSL_SERVER)
/* Check chosen encryption is available. */
#if !(defined(HAVE_CHACHA) && defined(HAVE_POLY1305)) && \
defined(WOLFSSL_TICKET_ENC_CHACHA20_POLY1305)
#error "ChaCha20-Poly1305 not available for default ticket encryption"
#endif
#if !defined(HAVE_AESGCM) && (defined(WOLFSSL_TICKET_ENC_AES128_GCM) || \
defined(WOLFSSL_TICKET_ENC_AES256_GCM))
#error "AES-GCM not available for default ticket encryption"
#endif
#ifndef WOLFSSL_TICKET_KEY_LIFETIME
/* Default lifetime is 1 hour from issue of first ticket with key. */
#define WOLFSSL_TICKET_KEY_LIFETIME (60 * 60)
#endif
#if WOLFSSL_TICKET_KEY_LIFETIME <= SESSION_TICKET_HINT_DEFAULT
#error "Ticket Key lifetime must be longer than ticket life hint."
#endif
#endif
#define MAX_ENCRYPT_SZ ENCRYPT_LEN
/* A static check to assert a relation between x and y */
#define WOLFSSL_ASSERT_TEST(x, y, op) do { \
typedef char _args_test_[(x) op (y) ? 1 : -1]; \
(void)sizeof(_args_test_); \
} while(0)
#define WOLFSSL_ASSERT_EQ(x, y) WOLFSSL_ASSERT_TEST(x, y, ==)
#define WOLFSSL_ASSERT_SIZEOF_TEST(x, y, op) \
WOLFSSL_ASSERT_TEST(sizeof((x)), sizeof((y)), op)
#define WOLFSSL_ASSERT_SIZEOF_GE(x, y) WOLFSSL_ASSERT_SIZEOF_TEST(x, y, >=)
/* states. Adding state before HANDSHAKE_DONE will break session importing */
enum states {
NULL_STATE = 0,
SERVER_HELLOVERIFYREQUEST_COMPLETE,
SERVER_HELLO_RETRY_REQUEST_COMPLETE,
SERVER_HELLO_COMPLETE,
SERVER_ENCRYPTED_EXTENSIONS_COMPLETE,
SERVER_CERT_COMPLETE,
SERVER_CERT_VERIFY_COMPLETE,
SERVER_KEYEXCHANGE_COMPLETE,
SERVER_HELLODONE_COMPLETE,
SERVER_CHANGECIPHERSPEC_COMPLETE,
SERVER_FINISHED_COMPLETE,
CLIENT_HELLO_RETRY,
CLIENT_HELLO_COMPLETE,
CLIENT_KEYEXCHANGE_COMPLETE,
CLIENT_CHANGECIPHERSPEC_COMPLETE,
CLIENT_FINISHED_COMPLETE,
HANDSHAKE_DONE,
#ifdef WOLFSSL_DTLS13
SERVER_FINISHED_ACKED,
#endif /* WOLFSSL_DTLS13 */
};
/* SSL Version */
typedef struct ProtocolVersion {
byte major;
byte minor;
} WOLFSSL_PACK ProtocolVersion;
WOLFSSL_LOCAL ProtocolVersion MakeSSLv3(void);
WOLFSSL_LOCAL ProtocolVersion MakeTLSv1(void);
WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_1(void);
WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_2(void);
WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_3(void);
#ifdef WOLFSSL_DTLS
WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1(void);
WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
#ifdef WOLFSSL_DTLS13
WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_3(void);
#endif /* WOLFSSL_DTLS13 */
#endif
#ifdef WOLFSSL_SESSION_EXPORT
WOLFSSL_LOCAL int wolfSSL_session_export_internal(WOLFSSL* ssl, byte* buf,
word32* sz, int type);
WOLFSSL_LOCAL int wolfSSL_session_import_internal(WOLFSSL* ssl, const byte* buf,
word32 sz, int type);
#ifdef WOLFSSL_DTLS
WOLFSSL_LOCAL int wolfSSL_dtls_export_state_internal(WOLFSSL* ssl,
byte* buf, word32 sz);
WOLFSSL_LOCAL int wolfSSL_dtls_import_state_internal(WOLFSSL* ssl,
const byte* buf, word32 sz);
WOLFSSL_LOCAL int wolfSSL_send_session(WOLFSSL* ssl);
#endif
#endif
struct WOLFSSL_BY_DIR_HASH {
unsigned long hash_value;
int last_suffix;
};
struct WOLFSSL_BY_DIR_entry {
char* dir_name;
int dir_type;
WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH) *hashes;
};
struct WOLFSSL_BY_DIR {
WOLF_STACK_OF(WOLFSSL_BY_DIR_entry) *dir_entry;
wolfSSL_Mutex lock; /* dir list lock */
};
/* wolfSSL method type */
struct WOLFSSL_METHOD {
ProtocolVersion version;
byte side; /* connection side, server or client */
byte downgrade; /* whether to downgrade version, default no */
};
/* wolfSSL buffer type - internal uses "buffer" type */
typedef WOLFSSL_BUFFER_INFO buffer;
typedef struct Suites Suites;
/* Declare opaque struct for API to use */
#ifndef WOLFSSL_CLIENT_SESSION_DEFINED
typedef struct ClientSession ClientSession;
#define WOLFSSL_CLIENT_SESSION_DEFINED
#endif
/* defaults to client */
WOLFSSL_LOCAL void InitSSL_Method(WOLFSSL_METHOD* method, ProtocolVersion pv);
WOLFSSL_LOCAL void InitSSL_CTX_Suites(WOLFSSL_CTX* ctx);
WOLFSSL_LOCAL int InitSSL_Suites(WOLFSSL* ssl);
WOLFSSL_LOCAL int InitSSL_Side(WOLFSSL* ssl, word16 side);
WOLFSSL_LOCAL int DoHandShakeMsgType(WOLFSSL* ssl, byte* input,
word32* inOutIdx, byte type, word32 size, word32 totalSz);
/* for sniffer */
WOLFSSL_LOCAL int DoFinished(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 size, word32 totalSz, int sniff);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int DoTls13Finished(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 size, word32 totalSz, int sniff);
#endif
WOLFSSL_LOCAL int DoApplicationData(WOLFSSL* ssl, byte* input, word32* inOutIdx,
int sniff);
/* TLS v1.3 needs these */
WOLFSSL_LOCAL int HandleTlsResumption(WOLFSSL* ssl, Suites* clSuites);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL byte SuiteMac(const byte* suite);
#endif
WOLFSSL_LOCAL int DoClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 helloSz);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int DoTls13ClientHello(WOLFSSL* ssl, const byte* input,
word32* inOutIdx, word32 helloSz);
#endif
WOLFSSL_LOCAL int DoServerHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 helloSz);
WOLFSSL_LOCAL int CompleteServerHello(WOLFSSL *ssl);
WOLFSSL_LOCAL int CheckVersion(WOLFSSL *ssl, ProtocolVersion pv);
WOLFSSL_LOCAL int PickHashSigAlgo(WOLFSSL* ssl, const byte* hashSigAlgo,
word32 hashSigAlgoSz);
#if defined(WOLF_PRIVATE_KEY_ID) && !defined(NO_CHECK_PRIVATE_KEY)
WOLFSSL_LOCAL int CreateDevPrivateKey(void** pkey, byte* data, word32 length,
int hsType, int label, int id,
void* heap, int devId);
#endif
WOLFSSL_LOCAL int DecodePrivateKey(WOLFSSL *ssl, word16* length);
#ifdef WOLF_PRIVATE_KEY_ID
WOLFSSL_LOCAL int GetPrivateKeySigSize(WOLFSSL* ssl);
#ifndef NO_ASN
WOLFSSL_LOCAL int InitSigPkCb(WOLFSSL* ssl, SignatureCtx* sigCtx);
#endif
#endif
WOLFSSL_LOCAL int CreateSigData(WOLFSSL* ssl, byte* sigData, word16* sigDataSz,
int check);
WOLFSSL_LOCAL int CreateRSAEncodedSig(byte* sig, byte* sigData, int sigDataSz,
int sigAlgo, int hashAlgo);
#ifdef WOLFSSL_ASYNC_IO
WOLFSSL_LOCAL void FreeAsyncCtx(WOLFSSL* ssl, byte freeAsync);
#endif
WOLFSSL_LOCAL void FreeKeyExchange(WOLFSSL* ssl);
WOLFSSL_LOCAL void FreeSuites(WOLFSSL* ssl);
WOLFSSL_LOCAL int ProcessPeerCerts(WOLFSSL* ssl, byte* input, word32* inOutIdx, word32 totalSz);
WOLFSSL_LOCAL int MatchDomainName(const char* pattern, int len, const char* str);
#ifndef NO_CERTS
WOLFSSL_LOCAL int CheckForAltNames(DecodedCert* dCert, const char* domain, int* checkCN);
WOLFSSL_LOCAL int CheckIPAddr(DecodedCert* dCert, const char* ipasc);
WOLFSSL_LOCAL void CopyDecodedName(WOLFSSL_X509_NAME* name, DecodedCert* dCert, int nameType);
#endif
WOLFSSL_LOCAL int SetupTicket(WOLFSSL* ssl);
WOLFSSL_LOCAL int CreateTicket(WOLFSSL* ssl);
WOLFSSL_LOCAL int HashRaw(WOLFSSL* ssl, const byte* output, int sz);
WOLFSSL_LOCAL int HashOutput(WOLFSSL* ssl, const byte* output, int sz,
int ivSz);
WOLFSSL_LOCAL int HashInput(WOLFSSL* ssl, const byte* input, int sz);
#ifdef HAVE_SNI
#ifndef NO_WOLFSSL_SERVER
WOLFSSL_LOCAL int SNI_Callback(WOLFSSL* ssl);
#endif
#endif
#ifdef HAVE_ALPN
WOLFSSL_LOCAL int ALPN_Select(WOLFSSL* ssl);
#endif
WOLFSSL_LOCAL int ChachaAEADEncrypt(WOLFSSL* ssl, byte* out, const byte* input,
word16 sz); /* needed by sniffer */
WOLFSSL_LOCAL int ChachaAEADDecrypt(WOLFSSL* ssl, byte* plain, const byte* input,
word16 sz); /* needed by sniffer */
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int DecryptTls13(WOLFSSL* ssl, byte* output, const byte* input,
word16 sz, const byte* aad, word16 aadSz);
WOLFSSL_LOCAL int DoTls13HandShakeMsgType(WOLFSSL* ssl, byte* input,
word32* inOutIdx, byte type,
word32 size, word32 totalSz);
WOLFSSL_LOCAL int DoTls13HandShakeMsg(WOLFSSL* ssl, byte* input,
word32* inOutIdx, word32 totalSz);
WOLFSSL_LOCAL int DoTls13ServerHello(WOLFSSL* ssl, const byte* input,
word32* inOutIdx, word32 helloSz,
byte* extMsgType);
WOLFSSL_LOCAL int RestartHandshakeHash(WOLFSSL* ssl);
WOLFSSL_LOCAL int Tls13DeriveKey(WOLFSSL *ssl, byte *output, int outputLen,
const byte *secret, const byte *label, word32 labelLen, int hashAlgo,
int includeMsgs, int side);
#endif
int TimingPadVerify(WOLFSSL* ssl, const byte* input, int padLen, int macSz,
int pLen, int content);
enum {
FORCED_FREE = 1,
NO_FORCED_FREE = 0
};
/* only use compression extra if using compression */
#ifdef HAVE_LIBZ
#define COMP_EXTRA MAX_COMP_EXTRA
#else
#define COMP_EXTRA 0
#endif
/* only the sniffer needs space in the buffer for extra MTU record(s) */
#ifdef WOLFSSL_SNIFFER
#define MTU_EXTRA MAX_MTU * 3
#else
#define MTU_EXTRA 0
#endif
/* embedded callbacks require large static buffers, make sure on */
#ifdef WOLFSSL_CALLBACKS
#undef LARGE_STATIC_BUFFERS
#define LARGE_STATIC_BUFFERS
#endif
/* determine maximum record size */
#ifdef RECORD_SIZE
/* user supplied value */
#if RECORD_SIZE < 128 || RECORD_SIZE > MAX_RECORD_SIZE
#error Invalid record size
#endif
#else
/* give user option to use 16K static buffers */
#if defined(LARGE_STATIC_BUFFERS)
#define RECORD_SIZE MAX_RECORD_SIZE
#else
#ifdef WOLFSSL_DTLS
#define RECORD_SIZE MAX_MTU
#else
#define RECORD_SIZE 128
#endif
#endif
#endif
/* user option to turn off 16K output option */
/* if using small static buffers (default) and SSL_write tries to write data
larger than the record we have, dynamically get it, unless user says only
write in static buffer chunks */
#ifndef STATIC_CHUNKS_ONLY
#define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE
#else
#define OUTPUT_RECORD_SIZE RECORD_SIZE
#endif
/* wolfSSL input buffer
RFC 2246:
length
The length (in bytes) of the following TLSPlaintext.fragment.
The length should not exceed 2^14.
*/
#ifdef STATIC_BUFFER_LEN
/* user supplied option */
#if STATIC_BUFFER_LEN < 5 || STATIC_BUFFER_LEN > (RECORD_HEADER_SZ + \
RECORD_SIZE + COMP_EXTRA + MTU_EXTRA + MAX_MSG_EXTRA))
#error Invalid static buffer length
#endif
#elif defined(LARGE_STATIC_BUFFERS)
#define STATIC_BUFFER_LEN (RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \
MTU_EXTRA + MAX_MSG_EXTRA)
#else
/* don't fragment memory from the record header */
#define STATIC_BUFFER_LEN RECORD_HEADER_SZ
#endif
typedef struct {
ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN];
byte* buffer; /* place holder for static or dynamic buffer */
word32 length; /* total buffer length used */
word32 idx; /* idx to part of length already consumed */
word32 bufferSize; /* current buffer size */
byte dynamicFlag; /* dynamic memory currently in use */
byte offset; /* alignment offset attempt */
} bufferStatic;
/* Cipher Suites holder */
struct Suites {
word16 suiteSz; /* suite length in bytes */
word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */
byte suites[WOLFSSL_MAX_SUITE_SZ];
byte hashSigAlgo[WOLFSSL_MAX_SIGALGO]; /* sig/algo to offer */
byte setSuites; /* user set suites from default */
};
typedef struct CipherSuite {
byte cipherSuite0;
byte cipherSuite;
word32 ecdhCurveOID;
struct KeyShareEntry* clientKSE;
#if defined(WOLFSSL_TLS13) && defined(HAVE_SUPPORTED_CURVES)
int doHelloRetry;
#endif
} CipherSuite;
WOLFSSL_LOCAL void InitSuitesHashSigAlgo(Suites* suites, int haveECDSAsig,
int haveRSAsig, int haveFalconSig,
int haveDilithiumSig, int haveAnon,
int tls1_2, int keySz);
WOLFSSL_LOCAL void InitSuitesHashSigAlgo_ex(byte* hashSigAlgo, int haveECDSAsig,
int haveRSAsig, int haveFalconSig,
int haveDilithiumSig, int haveAnon,
int tls1_2, int keySz, word16* len);
/* use wolfSSL_API visibility to be able to test in tests/api.c */
WOLFSSL_API void InitSuitesHashSigAlgo_ex2(byte* hashSigAlgo, int have,
int tls1_2, int keySz,
word16* len);
WOLFSSL_LOCAL int AllocateCtxSuites(WOLFSSL_CTX* ctx);
WOLFSSL_LOCAL int AllocateSuites(WOLFSSL* ssl);
WOLFSSL_LOCAL void InitSuites(Suites* suites, ProtocolVersion pv, int keySz,
word16 haveRSA, word16 havePSK, word16 haveDH,
word16 haveECDSAsig, word16 haveECC,
word16 haveStaticRSA, word16 haveStaticECC,
word16 haveFalconSig, word16 haveDilithiumSig,
word16 haveAnon, word16 haveNull, int side);
typedef struct TLSX TLSX;
WOLFSSL_LOCAL int MatchSuite_ex(const WOLFSSL* ssl, Suites* peerSuites,
CipherSuite* cs, TLSX* extensions);
WOLFSSL_LOCAL int MatchSuite(WOLFSSL* ssl, Suites* peerSuites);
WOLFSSL_LOCAL int SetCipherList(WOLFSSL_CTX* ctx, Suites* suites,
const char* list);
WOLFSSL_LOCAL int SetCipherListFromBytes(WOLFSSL_CTX* ctx, Suites* suites,
const byte* list, const int listSz);
WOLFSSL_LOCAL int SetSuitesHashSigAlgo(Suites* suites, const char* list);
#ifndef PSK_TYPES_DEFINED
typedef unsigned int (*wc_psk_client_callback)(WOLFSSL*, const char*, char*,
unsigned int, unsigned char*, unsigned int);
typedef unsigned int (*wc_psk_server_callback)(WOLFSSL*, const char*,
unsigned char*, unsigned int);
#ifdef WOLFSSL_TLS13
typedef unsigned int (*wc_psk_client_cs_callback)(WOLFSSL*, const char*,
char*, unsigned int, unsigned char*, unsigned int,
const char* cipherName);
typedef unsigned int (*wc_psk_client_tls13_callback)(WOLFSSL*, const char*,
char*, unsigned int, unsigned char*, unsigned int,
const char** cipherName);
typedef unsigned int (*wc_psk_server_tls13_callback)(WOLFSSL*, const char*,
unsigned char*, unsigned int,
const char** cipherName);
#endif
#endif /* PSK_TYPES_DEFINED */
#if defined(WOLFSSL_DTLS) && defined(WOLFSSL_SESSION_EXPORT) && \
!defined(WOLFSSL_DTLS_EXPORT_TYPES)
typedef int (*wc_dtls_export)(WOLFSSL* ssl,
#define WOLFSSL_DTLS_EXPORT_TYPES
#endif /* WOLFSSL_DTLS_EXPORT_TYPES */
#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT)
#define MAX_DESCRIPTION_SZ 255
#endif
struct WOLFSSL_CIPHER {
byte cipherSuite0;
byte cipherSuite;
const WOLFSSL* ssl;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT)
char description[MAX_DESCRIPTION_SZ];
unsigned long offset;
unsigned int in_stack; /* TRUE if added to stack in wolfSSL_get_ciphers_compat */
int bits;
#endif
};
#ifdef NO_ASN
/* no_asn won't have */
typedef struct CertStatus CertStatus;
#endif
#ifndef HAVE_OCSP
typedef struct WOLFSSL_OCSP WOLFSSL_OCSP;
#endif
/* wolfSSL OCSP controller */
#ifdef HAVE_OCSP
struct WOLFSSL_OCSP {
WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
OcspEntry* ocspList; /* OCSP response list */
wolfSSL_Mutex ocspLock; /* OCSP list lock */
int error;
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \
defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
int(*statusCb)(WOLFSSL*, void*);
#endif
};
#endif
#ifndef MAX_DATE_SIZE
#define MAX_DATE_SIZE 32
#endif
typedef struct CRL_Entry CRL_Entry;
#if defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3)
#define CRL_DIGEST_SIZE WC_SM3_DIGEST_SIZE
#elif defined(NO_SHA)
#define CRL_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
#else
#define CRL_DIGEST_SIZE WC_SHA_DIGEST_SIZE
#endif
#ifdef NO_ASN
typedef struct RevokedCert RevokedCert;
#endif
#ifdef CRL_STATIC_REVOKED_LIST
#ifndef CRL_MAX_REVOKED_CERTS
#define CRL_MAX_REVOKED_CERTS 4
#elif CRL_MAX_REVOKED_CERTS > 22000
#error CRL_MAX_REVOKED_CERTS too big, max is 22000
#endif
#endif
/* Complete CRL */
struct CRL_Entry {
byte* toBeSigned;
byte* signature;
#if defined(OPENSSL_EXTRA)
WOLFSSL_X509_NAME* issuer; /* X509_NAME type issuer */
#endif
CRL_Entry* next; /* next entry */
wolfSSL_Mutex verifyMutex;
/* DupCRL_Entry copies data after the `verifyMutex` member. Using the mutex
* as the marker because clang-tidy doesn't like taking the sizeof a
* pointer. */
byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */
/* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */
/* restore the hash here if needed for optimized comparisons */
byte lastDate[MAX_DATE_SIZE]; /* last date updated */
byte nextDate[MAX_DATE_SIZE]; /* next update date */
byte lastDateFormat; /* last date format */
byte nextDateFormat; /* next date format */
#if defined(OPENSSL_EXTRA)
WOLFSSL_ASN1_TIME lastDateAsn1; /* last date updated */
WOLFSSL_ASN1_TIME nextDateAsn1; /* next update date */
#endif
#ifdef CRL_STATIC_REVOKED_LIST
RevokedCert certs[CRL_MAX_REVOKED_CERTS];
#else
RevokedCert* certs; /* revoked cert list */
#endif
int totalCerts; /* number on list */
int version; /* version of certificate */
int verified;
word32 tbsSz;
word32 signatureSz;
word32 signatureOID;
#if !defined(NO_SKID) && !defined(NO_ASN)
byte extAuthKeyIdSet;
byte extAuthKeyId[KEYID_SIZE];
#endif
int crlNumber; /* CRL number extension */
};
typedef struct CRL_Monitor CRL_Monitor;
/* CRL directory monitor */
struct CRL_Monitor {
char* path; /* full dir path, if valid pointer we're using */
int type; /* PEM or ASN1 type */
};
#if defined(HAVE_CRL) && defined(NO_FILESYSTEM)
#undef HAVE_CRL_MONITOR
#endif
/* PEM and DER possible */
#define WOLFSSL_CRL_MONITORS_LEN (2)
#if defined(__MACH__) || defined(__FreeBSD__) || defined(__linux__)
typedef int wolfSSL_CRL_mfd_t; /* monitor fd, -1 if no init yet */
/* mfd for bsd is kqueue fd, eventfd for linux */
#define WOLFSSL_CRL_MFD_INIT_VAL (-1)
#elif defined(_MSC_VER)
typedef HANDLE wolfSSL_CRL_mfd_t; /* monitor fd, INVALID_HANDLE_VALUE if
* no init yet */
#define WOLFSSL_CRL_MFD_INIT_VAL (INVALID_HANDLE_VALUE)
#endif
/* wolfSSL CRL controller */
struct WOLFSSL_CRL {
WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
CRL_Entry* currentEntry; /* Current CRL entry being processed */
CRL_Entry* crlList; /* our CRL list */
#ifdef HAVE_CRL_IO
CbCrlIO crlIOCb;
#endif
wolfSSL_RwLock crlLock; /* CRL list lock */
CRL_Monitor monitors[WOLFSSL_CRL_MONITORS_LEN];
#ifdef HAVE_CRL_MONITOR
COND_TYPE cond; /* condition to signal setup */
THREAD_TYPE tid; /* monitoring thread */
wolfSSL_CRL_mfd_t mfd;
int setup; /* thread is setup predicate */
#endif
void* heap; /* heap hint for dynamic memory */
};
#ifdef NO_ASN
typedef struct Signer Signer;
#ifdef WOLFSSL_TRUST_PEER_CERT
typedef struct TrustedPeerCert TrustedPeerCert;
#endif
#endif
#ifndef CA_TABLE_SIZE
#define CA_TABLE_SIZE 11
#endif
#ifdef WOLFSSL_TRUST_PEER_CERT
#define TP_TABLE_SIZE 11
#endif
/* wolfSSL Certificate Manager */
struct WOLFSSL_CERT_MANAGER {
Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */
void* heap; /* heap helper */
#ifdef WOLFSSL_TRUST_PEER_CERT
TrustedPeerCert* tpTable[TP_TABLE_SIZE]; /* table of trusted peer certs */
wolfSSL_Mutex tpLock; /* trusted peer list lock */
#endif
WOLFSSL_CRL* crl; /* CRL checker */
WOLFSSL_OCSP* ocsp; /* OCSP checker */
#if !defined(NO_WOLFSSL_SERVER) && (defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2))
WOLFSSL_OCSP* ocsp_stapling; /* OCSP checker for OCSP stapling */
#endif
char* ocspOverrideURL; /* use this responder */
void* ocspIOCtx; /* I/O callback CTX */
#ifndef NO_WOLFSSL_CM_VERIFY
VerifyCallback verifyCallback; /* Verify callback */
#endif
CallbackCACache caCacheCallback; /* CA cache addition callback */
CbMissingCRL cbMissingCRL; /* notify thru cb of missing crl */
CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */
CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */
wolfSSL_Mutex caLock; /* CA list lock */
byte crlEnabled:1; /* is CRL on ? */
byte crlCheckAll:1; /* always leaf, but all ? */
byte ocspEnabled:1; /* is OCSP on ? */
byte ocspCheckAll:1; /* always leaf, but all ? */
byte ocspSendNonce:1; /* send the OCSP nonce ? */
byte ocspUseOverrideURL:1; /* ignore cert responder, override */
byte ocspStaplingEnabled:1; /* is OCSP Stapling on ? */
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
byte ocspMustStaple:1; /* server must respond with staple */
#endif
#ifndef NO_RSA
short minRsaKeySz; /* minimum allowed RSA key size */
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448)
short minEccKeySz; /* minimum allowed ECC key size */
#endif
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
WOLFSSL_X509_STORE *x509_store_p; /* a pointer back to CTX x509 store */
/* CTX has ownership and free this */
/* with CTX free. */
#endif
wolfSSL_Ref ref;
#ifdef HAVE_PQC
short minFalconKeySz; /* minimum allowed Falcon key size */
short minDilithiumKeySz; /* minimum allowed Dilithium key size */
#endif
};
WOLFSSL_LOCAL int CM_SaveCertCache(WOLFSSL_CERT_MANAGER* cm,
const char* fname);
WOLFSSL_LOCAL int CM_RestoreCertCache(WOLFSSL_CERT_MANAGER* cm,
const char* fname);
WOLFSSL_LOCAL int CM_MemSaveCertCache(WOLFSSL_CERT_MANAGER* cm, void* mem,
int sz, int* used);
WOLFSSL_LOCAL int CM_MemRestoreCertCache(WOLFSSL_CERT_MANAGER* cm,
const void* mem, int sz);
WOLFSSL_LOCAL int CM_GetCertCacheMemSize(WOLFSSL_CERT_MANAGER* cm);
WOLFSSL_LOCAL int CM_VerifyBuffer_ex(WOLFSSL_CERT_MANAGER* cm, const byte* buff,
long sz, int format, int prev_err);
#ifndef NO_CERTS
#if !defined(NO_WOLFSSL_CLIENT) || !defined(WOLFSSL_NO_CLIENT_AUTH)
typedef struct ProcPeerCertArgs {
buffer* certs;
#ifdef WOLFSSL_TLS13
buffer* exts; /* extensions */
#endif
DecodedCert* dCert;
word32 idx;
word32 begin;
int totalCerts; /* number of certs in certs buffer */
int count;
int certIdx;
int lastErr;
#ifdef WOLFSSL_TLS13
byte ctxSz;
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
char untrustedDepth;
#endif
word16 fatal:1;
word16 verifyErr:1;
word16 dCertInit:1;
#ifdef WOLFSSL_TRUST_PEER_CERT
word16 haveTrustPeer:1; /* was cert verified by loaded trusted peer cert */
#endif
} ProcPeerCertArgs;
WOLFSSL_LOCAL int DoVerifyCallback(WOLFSSL_CERT_MANAGER* cm, WOLFSSL* ssl,
int ret, ProcPeerCertArgs* args);
#endif /* !defined(NO_WOLFSSL_CLIENT) || !defined(WOLFSSL_NO_CLIENT_AUTH) */
#endif /* !defined NO_CERTS */
/* wolfSSL Sock Addr */
struct WOLFSSL_SOCKADDR {
unsigned int sz; /* sockaddr size */
unsigned int bufSz; /* size of allocated buffer */
void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */
};
typedef struct WOLFSSL_DTLS_CTX {
WOLFSSL_SOCKADDR peer;
int rfd;
int wfd;
byte userSet:1;
byte connected:1; /* When set indicates rfd and wfd sockets are
* connected (connect() and bind() both called).
* This means that sendto and recvfrom do not need to
* specify and store the peer address. */
} WOLFSSL_DTLS_CTX;
typedef struct WOLFSSL_DTLS_PEERSEQ {
word32 window[WOLFSSL_DTLS_WINDOW_WORDS];
/* Sliding window for current epoch */
word16 nextEpoch; /* Expected epoch in next record */
word16 nextSeq_hi; /* Expected sequence in next record */
word32 nextSeq_lo;
word32 prevWindow[WOLFSSL_DTLS_WINDOW_WORDS];
/* Sliding window for old epoch */
word32 prevSeq_lo;
word16 prevSeq_hi; /* Next sequence in allowed old epoch */
#ifdef WOLFSSL_MULTICAST
word16 peerId;
word32 highwaterMark;
#endif
} WOLFSSL_DTLS_PEERSEQ;
#define MAX_WRITE_IV_SZ 16 /* max size of client/server write_IV */
/* keys and secrets
* keep as a constant size (no additional ifdefs) for session export */
typedef struct Keys {
#if !defined(WOLFSSL_AEAD_ONLY) || defined(WOLFSSL_TLS13)
byte client_write_MAC_secret[WC_MAX_DIGEST_SIZE]; /* max sizes */
byte server_write_MAC_secret[WC_MAX_DIGEST_SIZE];
#endif
byte client_write_key[MAX_SYM_KEY_SIZE]; /* max sizes */
byte server_write_key[MAX_SYM_KEY_SIZE];
byte client_write_IV[MAX_WRITE_IV_SZ]; /* max sizes */
byte server_write_IV[MAX_WRITE_IV_SZ];
#if defined(HAVE_AEAD) || defined(WOLFSSL_SESSION_EXPORT)
byte aead_exp_IV[AEAD_MAX_EXP_SZ];
byte aead_enc_imp_IV[AEAD_MAX_IMP_SZ];
byte aead_dec_imp_IV[AEAD_MAX_IMP_SZ];
#endif
#ifdef WOLFSSL_DTLS13
byte client_sn_key[MAX_SYM_KEY_SIZE];
byte server_sn_key[MAX_SYM_KEY_SIZE];
#endif /* WOLFSSL_DTLS13 */
word32 peer_sequence_number_hi;
word32 peer_sequence_number_lo;
word32 sequence_number_hi;
word32 sequence_number_lo;
#ifdef WOLFSSL_DTLS
word16 curEpoch; /* Received epoch in current record */
word16 curSeq_hi; /* Received sequence in current record */
word32 curSeq_lo;
#ifdef WOLFSSL_DTLS13
w64wrapper curEpoch64; /* Received epoch in current record */
w64wrapper curSeq;
#endif /* WOLFSSL_DTLS13 */
#ifdef WOLFSSL_MULTICAST
byte curPeerId; /* Received peer group ID in current record */
#endif
WOLFSSL_DTLS_PEERSEQ peerSeq[WOLFSSL_DTLS_PEERSEQ_SZ];
word16 dtls_peer_handshake_number;
word16 dtls_expected_peer_handshake_number;
word16 dtls_epoch; /* Current epoch */
word16 dtls_sequence_number_hi; /* Current epoch */
word32 dtls_sequence_number_lo;
word16 dtls_prev_sequence_number_hi; /* Previous epoch */
word32 dtls_prev_sequence_number_lo;
word16 dtls_handshake_number; /* Current tx handshake seq */
#endif
word32 encryptSz; /* last size of encrypted data */
word32 padSz; /* how much to advance after decrypt part */
byte encryptionOn; /* true after change cipher spec */
byte decryptedCur; /* only decrypt current record once */
#ifdef WOLFSSL_TLS13
byte updateResponseReq:1; /* KeyUpdate response from peer required. */
byte keyUpdateRespond:1; /* KeyUpdate is to be responded to. */
#endif
#ifdef WOLFSSL_RENESAS_TSIP_TLS
tsip_hmac_sha_key_index_t tsip_client_write_MAC_secret;
tsip_hmac_sha_key_index_t tsip_server_write_MAC_secret;
#endif
#ifdef WOLFSSL_RENESAS_FSPSM_TLS
FSPSM_HMAC_WKEY fspsm_client_write_MAC_secret;
FSPSM_HMAC_WKEY fspsm_server_write_MAC_secret;
#endif
} Keys;
/* Forward declare opaque pointer to make available for func def */
typedef struct Options Options;
/** TLS Extensions - RFC 6066 */
#ifdef HAVE_TLS_EXTENSIONS
typedef enum {
#ifdef HAVE_SNI
TLSX_SERVER_NAME = 0x0000, /* a.k.a. SNI */
#endif
TLSX_MAX_FRAGMENT_LENGTH = 0x0001,
TLSX_TRUSTED_CA_KEYS = 0x0003,
TLSX_TRUNCATED_HMAC = 0x0004,
TLSX_STATUS_REQUEST = 0x0005, /* a.k.a. OCSP stapling */
TLSX_SUPPORTED_GROUPS = 0x000a, /* a.k.a. Supported Curves */
TLSX_EC_POINT_FORMATS = 0x000b,
#if !defined(NO_CERTS) && !defined(WOLFSSL_NO_SIGALG)
TLSX_SIGNATURE_ALGORITHMS = 0x000d, /* HELLO_EXT_SIG_ALGO */
#endif
#ifdef WOLFSSL_SRTP
TLSX_USE_SRTP = 0x000e, /* 14 */
#endif
TLSX_APPLICATION_LAYER_PROTOCOL = 0x0010, /* a.k.a. ALPN */
TLSX_STATUS_REQUEST_V2 = 0x0011, /* a.k.a. OCSP stapling v2 */
#ifdef HAVE_RPK
TLSX_CLIENT_CERTIFICATE_TYPE = 0x0013, /* RFC8446 */
TLSX_SERVER_CERTIFICATE_TYPE = 0x0014, /* RFC8446 */
#endif
#if defined(HAVE_ENCRYPT_THEN_MAC) && !defined(WOLFSSL_AEAD_ONLY)
TLSX_ENCRYPT_THEN_MAC = 0x0016, /* RFC 7366 */
#endif
TLSX_EXTENDED_MASTER_SECRET = 0x0017, /* HELLO_EXT_EXTMS */
TLSX_SESSION_TICKET = 0x0023,
#ifdef WOLFSSL_TLS13
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TLSX_PRE_SHARED_KEY = 0x0029,
#endif
#ifdef WOLFSSL_EARLY_DATA
TLSX_EARLY_DATA = 0x002a,
#endif
TLSX_SUPPORTED_VERSIONS = 0x002b,
#ifdef WOLFSSL_SEND_HRR_COOKIE
TLSX_COOKIE = 0x002c,
#endif
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TLSX_PSK_KEY_EXCHANGE_MODES = 0x002d,
#endif
#if !defined(NO_CERTS) && !defined(WOLFSSL_NO_CA_NAMES)
TLSX_CERTIFICATE_AUTHORITIES = 0x002f,
#endif
#ifdef WOLFSSL_POST_HANDSHAKE_AUTH
TLSX_POST_HANDSHAKE_AUTH = 0x0031,
#endif
#if !defined(NO_CERTS) && !defined(WOLFSSL_NO_SIGALG)
TLSX_SIGNATURE_ALGORITHMS_CERT = 0x0032,
#endif
TLSX_KEY_SHARE = 0x0033,
#if defined(WOLFSSL_DTLS_CID)
TLSX_CONNECTION_ID = 0x0036,
#endif /* defined(WOLFSSL_DTLS_CID) */
#ifdef WOLFSSL_QUIC
TLSX_KEY_QUIC_TP_PARAMS = 0x0039, /* RFC 9001, ch. 8.2 */
#endif
#endif
TLSX_RENEGOTIATION_INFO = 0xff01,
#ifdef WOLFSSL_QUIC
TLSX_KEY_QUIC_TP_PARAMS_DRAFT = 0xffa5, /* from draft-ietf-quic-tls-27 */
#endif
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
TLSX_ECH = 0xfe0d, /* from draft-ietf-tls-esni-13 */
#endif
} TLSX_Type;
/* TLS Certificate type defined RFC7250
* https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#tls-extensiontype-values-3
*/
#if defined(HAVE_RPK)
typedef struct RpkConfig {
/* user's preference */
byte preferred_ClientCertTypeCnt;
byte preferred_ClientCertTypes[MAX_CLIENT_CERT_TYPE_CNT];
byte preferred_ServerCertTypeCnt;
byte preferred_ServerCertTypes[MAX_CLIENT_CERT_TYPE_CNT];
/* reflect to client_certificate_type extension in xxxHello */
} RpkConfig;
typedef struct RpkState {
byte sending_ClientCertTypeCnt;
byte sending_ClientCertTypes[MAX_CLIENT_CERT_TYPE_CNT];
/* reflect to server_certificate_type extension in xxxHello */
byte sending_ServerCertTypeCnt;
byte sending_ServerCertTypes[MAX_SERVER_CERT_TYPE_CNT];
/* client_certificate_type extension in received yyyHello */
byte received_ClientCertTypeCnt;
byte received_ClientCertTypes[MAX_CLIENT_CERT_TYPE_CNT];
/* server_certificate_type extension in received yyyHello */
byte received_ServerCertTypeCnt;
byte received_ServerCertTypes[MAX_SERVER_CERT_TYPE_CNT];
/* set if Raw-public-key cert is loaded as own certificate */
int isRPKLoaded;
} RpkState;
#endif /* HAVE_RPK */
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
typedef enum {
ECH_TYPE_OUTER = 0,
ECH_TYPE_INNER = 1
} EchType;
typedef enum {
ECH_WRITE_GREASE,
ECH_WRITE_REAL,
ECH_WRITE_RETRY_CONFIGS,
ECH_WRITE_NONE,
ECH_PARSED_INTERNAL,
} EchState;
typedef struct EchCipherSuite {
word16 kdfId;
word16 aeadId;
} EchCipherSuite;
typedef struct WOLFSSL_EchConfig {
byte* raw;
char* publicName;
void* receiverPrivkey;
struct WOLFSSL_EchConfig* next;
EchCipherSuite* cipherSuites;
word32 rawLen;
word16 kemId;
byte configId;
byte numCipherSuites;
byte receiverPubkey[HPKE_Npk_MAX];
} WOLFSSL_EchConfig;
typedef struct WOLFSSL_ECH {
Hpke* hpke;
const byte* aad;
void* ephemeralKey;
WOLFSSL_EchConfig* echConfig;
byte* innerClientHello;
byte* outerClientPayload;
EchCipherSuite cipherSuite;
word16 aadLen;
word16 paddingLen;
word16 innerClientHelloLen;
word16 kemId;
word16 encLen;
EchState state;
byte type;
byte configId;
byte enc[HPKE_Npk_MAX];
} WOLFSSL_ECH;
WOLFSSL_LOCAL int EchConfigGetSupportedCipherSuite(WOLFSSL_EchConfig* config);
WOLFSSL_LOCAL int TLSX_FinalizeEch(WOLFSSL_ECH* ech, byte* aad, word32 aadLen);
WOLFSSL_LOCAL int GetEchConfig(WOLFSSL_EchConfig* config, byte* output,
word32* outputLen);
WOLFSSL_LOCAL int GetEchConfigsEx(WOLFSSL_EchConfig* configs,
byte* output, word32* outputLen);
#endif
struct TLSX {
TLSX_Type type; /* Extension Type */
void* data; /* Extension Data */
word32 val; /* Extension Value */
byte resp; /* IsResponse Flag */
struct TLSX* next; /* List Behavior */
};
WOLFSSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type);
WOLFSSL_LOCAL void TLSX_Remove(TLSX** list, TLSX_Type type, void* heap);
WOLFSSL_LOCAL void TLSX_FreeAll(TLSX* list, void* heap);
WOLFSSL_LOCAL int TLSX_SupportExtensions(WOLFSSL* ssl);
WOLFSSL_LOCAL int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isRequest);
#if defined(WOLFSSL_TLS13) || !defined(NO_WOLFSSL_CLIENT)
WOLFSSL_LOCAL int TLSX_GetRequestSize(WOLFSSL* ssl, byte msgType,
word16* pLength);
WOLFSSL_LOCAL int TLSX_WriteRequest(WOLFSSL* ssl, byte* output,
byte msgType, word16* pOffset);
#endif
#if defined(WOLFSSL_TLS13) || !defined(NO_WOLFSSL_SERVER)
/* TLS 1.3 Certificate messages have extensions. */
WOLFSSL_LOCAL int TLSX_GetResponseSize(WOLFSSL* ssl, byte msgType,
word16* pLength);
WOLFSSL_LOCAL int TLSX_WriteResponse(WOLFSSL *ssl, byte* output, byte msgType,
word16* pOffset);
#endif
WOLFSSL_LOCAL int TLSX_ParseVersion(WOLFSSL* ssl, const byte* input,
word16 length, byte msgType, int* found);
WOLFSSL_LOCAL int TLSX_SupportedVersions_Parse(const WOLFSSL* ssl,
const byte* input, word16 length, byte msgType, ProtocolVersion* pv,
Options* opts, TLSX** exts);
WOLFSSL_LOCAL int TLSX_Parse(WOLFSSL* ssl, const byte* input, word16 length,
byte msgType, Suites *suites);
WOLFSSL_LOCAL int TLSX_Push(TLSX** list, TLSX_Type type,
const void* data, void* heap);
WOLFSSL_LOCAL int TLSX_Append(TLSX** list, TLSX_Type type,
const void* data, void* heap);
#elif defined(HAVE_SNI) \
|| defined(HAVE_MAX_FRAGMENT) \
|| defined(HAVE_TRUSTED_CA) \
|| defined(HAVE_TRUNCATED_HMAC) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) \
|| defined(HAVE_SUPPORTED_CURVES) \
|| defined(HAVE_ALPN) \
|| defined(HAVE_SESSION_TICKET) \
|| defined(HAVE_SECURE_RENEGOTIATION) \
|| defined(HAVE_SERVER_RENEGOTIATION_INFO)
#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined.
#endif /* HAVE_TLS_EXTENSIONS */
/** Server Name Indication - RFC 6066 (session 3) */
#ifdef HAVE_SNI
typedef struct SNI {
byte type; /* SNI Type */
union { char* host_name; } data; /* SNI Data */
struct SNI* next; /* List Behavior */
byte status; /* Matching result */
#ifndef NO_WOLFSSL_SERVER
byte options; /* Behavior options */
#endif
} SNI;
WOLFSSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
word16 size, void* heap);
WOLFSSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type);
WOLFSSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type,
void** data);
#ifndef NO_WOLFSSL_SERVER
WOLFSSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type,
byte options);
WOLFSSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* clientHello,
word32 helloSz, byte type, byte* sni, word32* inOutSz);
#endif
#endif /* HAVE_SNI */
/* Trusted CA Key Indication - RFC 6066 (section 6) */
#ifdef HAVE_TRUSTED_CA
typedef struct TCA {
byte type; /* TCA Type */
byte* id; /* TCA identifier */
word16 idSz; /* TCA identifier size */
struct TCA* next; /* List Behavior */
} TCA;
WOLFSSL_LOCAL int TLSX_UseTrustedCA(TLSX** extensions, byte type,
const byte* id, word16 idSz, void* heap);
#endif /* HAVE_TRUSTED_CA */
/* Application-Layer Protocol Negotiation - RFC 7301 */
#ifdef HAVE_ALPN
typedef struct ALPN {
char* protocol_name; /* ALPN protocol name */
struct ALPN* next; /* List Behavior */
byte options; /* Behavior options */
byte negotiated; /* ALPN protocol negotiated or not */
} ALPN;
WOLFSSL_LOCAL int TLSX_ALPN_GetRequest(TLSX* extensions,
void** data, word16 *dataSz);
WOLFSSL_LOCAL int TLSX_UseALPN(TLSX** extensions, const void* data,
word16 size, byte options, void* heap);
WOLFSSL_LOCAL int TLSX_ALPN_SetOptions(TLSX** extensions, byte option);
#endif /* HAVE_ALPN */
/** Maximum Fragment Length Negotiation - RFC 6066 (session 4) */
#ifdef HAVE_MAX_FRAGMENT
WOLFSSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl, void* heap);
#endif /* HAVE_MAX_FRAGMENT */
/** Truncated HMAC - RFC 6066 (session 7) */
#ifdef HAVE_TRUNCATED_HMAC
WOLFSSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions, void* heap);
#endif /* HAVE_TRUNCATED_HMAC */
/** Certificate Status Request - RFC 6066 (session 8) */
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
typedef struct {
byte status_type;
byte options;
WOLFSSL* ssl;
union {
OcspRequest ocsp;
} request;
#ifdef WOLFSSL_TLS13
buffer response;
#endif
} CertificateStatusRequest;
WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequest(TLSX** extensions,
byte status_type, byte options, WOLFSSL* ssl, void* heap, int devId);
#ifndef NO_CERTS
WOLFSSL_LOCAL int TLSX_CSR_InitRequest(TLSX* extensions, DecodedCert* cert,
void* heap);
#endif
WOLFSSL_LOCAL void* TLSX_CSR_GetRequest(TLSX* extensions);
WOLFSSL_LOCAL int TLSX_CSR_ForceRequest(WOLFSSL* ssl);
#endif
/** Certificate Status Request v2 - RFC 6961 */
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
typedef struct CSRIv2 {
byte status_type;
byte options;
word16 requests;
union {
OcspRequest ocsp[1 + MAX_CHAIN_DEPTH];
} request;
struct CSRIv2* next;
} CertificateStatusRequestItemV2;
WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequestV2(TLSX** extensions,
byte status_type, byte options, void* heap, int devId);
#ifndef NO_CERTS
WOLFSSL_LOCAL int TLSX_CSR2_InitRequests(TLSX* extensions, DecodedCert* cert,
byte isPeer, void* heap);
#endif
WOLFSSL_LOCAL void* TLSX_CSR2_GetRequest(TLSX* extensions, byte status_type,
byte idx);
WOLFSSL_LOCAL int TLSX_CSR2_ForceRequest(WOLFSSL* ssl);
#endif
#if defined(WOLFSSL_PUBLIC_ASN) && defined(HAVE_PK_CALLBACKS)
/* Internal callback guarded by WOLFSSL_PUBLIC_ASN because of DecodedCert. */
typedef int (*CallbackProcessPeerCert)(WOLFSSL* ssl, DecodedCert* p_cert);
WOLFSSL_API void wolfSSL_CTX_SetProcessPeerCertCb(WOLFSSL_CTX* ctx,
CallbackProcessPeerCert cb);
#endif /* DecodedCert && HAVE_PK_CALLBACKS */
#if !defined(NO_CERTS) && !defined(WOLFSSL_NO_SIGALG)
typedef struct SignatureAlgorithms {
/* Not const since it is modified in TLSX_SignatureAlgorithms_MapPss */
WOLFSSL* ssl;
word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */
/* Ignore "nonstandard extension used : zero-sized array in struct/union"
* MSVC warning */
#ifdef _MSC_VER
#pragma warning(disable: 4200)
#endif
byte hashSigAlgo[]; /* sig/algo to offer */
} SignatureAlgorithms;
WOLFSSL_LOCAL SignatureAlgorithms* TLSX_SignatureAlgorithms_New(
WOLFSSL* ssl, word16 hashSigAlgoSz, void* heap);
WOLFSSL_LOCAL void TLSX_SignatureAlgorithms_FreeAll(SignatureAlgorithms* sa,
void* heap);
#endif
/** Supported Elliptic Curves - RFC 4492 (session 4) */
#ifdef HAVE_SUPPORTED_CURVES
typedef struct SupportedCurve {
word16 name; /* Curve Names */
struct SupportedCurve* next; /* List Behavior */
} SupportedCurve;
typedef struct PointFormat {
byte format; /* PointFormat */
struct PointFormat* next; /* List Behavior */
} PointFormat;
WOLFSSL_LOCAL int TLSX_SupportedCurve_Copy(TLSX* src, TLSX** dst, void* heap);
WOLFSSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name,
void* heap);
WOLFSSL_LOCAL int TLSX_UsePointFormat(TLSX** extensions, byte point,
void* heap);
#ifndef NO_WOLFSSL_SERVER
WOLFSSL_LOCAL int TLSX_ValidateSupportedCurves(const WOLFSSL* ssl, byte first,
byte second, word32* ecdhCurveOID);
WOLFSSL_LOCAL int TLSX_SupportedCurve_CheckPriority(WOLFSSL* ssl);
WOLFSSL_LOCAL int TLSX_SupportedFFDHE_Set(WOLFSSL* ssl);
#endif
WOLFSSL_LOCAL int TLSX_SupportedCurve_Preferred(WOLFSSL* ssl,
int checkSupported);
WOLFSSL_LOCAL int TLSX_SupportedCurve_Parse(const WOLFSSL* ssl,
const byte* input, word16 length, byte isRequest, TLSX** extensions);
#endif /* HAVE_SUPPORTED_CURVES */
/** Renegotiation Indication - RFC 5746 */
#if defined(HAVE_SECURE_RENEGOTIATION) \
|| defined(HAVE_SERVER_RENEGOTIATION_INFO)
enum key_cache_state {
SCR_CACHE_NULL = 0, /* empty / begin state */
SCR_CACHE_NEEDED, /* need to cache keys */
SCR_CACHE_COPY, /* we have a cached copy */
SCR_CACHE_PARTIAL, /* partial restore to real keys */
SCR_CACHE_COMPLETE /* complete restore to real keys */
};
/* Additional Connection State according to rfc5746 section 3.1 */
typedef struct SecureRenegotiation {
byte enabled; /* secure_renegotiation flag in rfc */
byte verifySet;
byte startScr; /* server requested client to start scr */
enum key_cache_state cache_status; /* track key cache state */
byte client_verify_data[TLS_FINISHED_SZ]; /* cached */
byte server_verify_data[TLS_FINISHED_SZ]; /* cached */
byte subject_hash_set; /* if peer cert hash is set */
byte subject_hash[KEYID_SIZE]; /* peer cert hash */
Keys tmp_keys; /* can't overwrite real keys yet */
} SecureRenegotiation;
WOLFSSL_LOCAL int TLSX_UseSecureRenegotiation(TLSX** extensions, void* heap);
#ifdef HAVE_SERVER_RENEGOTIATION_INFO
WOLFSSL_LOCAL int TLSX_AddEmptyRenegotiationInfo(TLSX** extensions, void* heap);
#endif
#endif /* HAVE_SECURE_RENEGOTIATION */
#ifdef HAVE_SESSION_TICKET
/* Our ticket format. All members need to be a byte or array of byte to
* avoid alignment issues */
typedef struct InternalTicket {
ProtocolVersion pv; /* version when ticket created */
byte suite[SUITE_LEN]; /* cipher suite when created */
byte msecret[SECRET_LEN]; /* master secret */
byte timestamp[TIMESTAMP_LEN]; /* born on */
byte haveEMS; /* have extended master secret */
#ifdef WOLFSSL_TLS13
byte ageAdd[AGEADD_LEN]; /* Obfuscation of age */
byte namedGroup[NAMEDGROUP_LEN]; /* Named group used */
byte ticketNonceLen;
byte ticketNonce[MAX_TICKET_NONCE_STATIC_SZ];
#ifdef WOLFSSL_EARLY_DATA
byte maxEarlyDataSz[MAXEARLYDATASZ_LEN]; /* Max size of
* early data */
#endif
#endif
#ifdef WOLFSSL_TICKET_HAVE_ID
byte id[ID_LEN];
#endif
#ifdef OPENSSL_EXTRA
byte sessionCtxSz; /* sessionCtx length */
byte sessionCtx[ID_LEN]; /* app specific context id */
#endif /* OPENSSL_EXTRA */
} InternalTicket;
#ifndef WOLFSSL_TICKET_EXTRA_PADDING_SZ
#define WOLFSSL_TICKET_EXTRA_PADDING_SZ 32
#endif
#define WOLFSSL_TICKET_ENC_SZ \
(sizeof(InternalTicket) + WOLFSSL_TICKET_EXTRA_PADDING_SZ)
/* RFC 5077 defines this for session tickets. All members need to be a byte or
* array of byte to avoid alignment issues */
typedef struct ExternalTicket {
byte key_name[WOLFSSL_TICKET_NAME_SZ]; /* key context name - 16 */
byte iv[WOLFSSL_TICKET_IV_SZ]; /* this ticket's iv - 16 */
byte enc_len[OPAQUE16_LEN]; /* encrypted length - 2 */
byte enc_ticket[WOLFSSL_TICKET_ENC_SZ];
/* encrypted internal ticket */
byte mac[WOLFSSL_TICKET_MAC_SZ]; /* total mac - 32 */
} ExternalTicket;
/* Cast to int to reduce amount of casts in code */
#define SESSION_TICKET_LEN ((int)sizeof(ExternalTicket))
#define WOLFSSL_TICKET_FIXED_SZ (SESSION_TICKET_LEN - WOLFSSL_TICKET_ENC_SZ)
typedef struct SessionTicket {
word32 lifetime;
#ifdef WOLFSSL_TLS13
word64 seen;
word32 ageAdd;
#endif
byte* data;
word16 size;
} SessionTicket;
#if !defined(WOLFSSL_NO_DEF_TICKET_ENC_CB) && !defined(NO_WOLFSSL_SERVER)
/* Data passed to default SessionTicket enc/dec callback. */
typedef struct TicketEncCbCtx {
/* Name for this context. */
byte name[WOLFSSL_TICKET_NAME_SZ];
/* Current keys - current and next. */
byte key[2][WOLFSSL_TICKET_KEY_SZ];
/* Expirary date of keys. */
word32 expirary[2];
/* Random number generator to use for generating name, keys and IV. */
WC_RNG rng;
#ifndef SINGLE_THREADED
/* Mutex for access to changing keys. */
wolfSSL_Mutex mutex;
#endif
/* Pointer back to SSL_CTX. */
WOLFSSL_CTX* ctx;
} TicketEncCbCtx;
#endif /* !WOLFSSL_NO_DEF_TICKET_ENC_CB && !NO_WOLFSSL_SERVER */
WOLFSSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions,
SessionTicket* ticket, void* heap);
WOLFSSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime,
byte* data, word16 size, void* heap);
WOLFSSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket, void* heap);
#endif /* HAVE_SESSION_TICKET */
#if defined(HAVE_ENCRYPT_THEN_MAC) && !defined(WOLFSSL_AEAD_ONLY)
int TLSX_EncryptThenMac_Respond(WOLFSSL* ssl);
#endif
#ifdef WOLFSSL_TLS13
/* Cookie extension information - cookie data. */
typedef struct Cookie {
word16 len;
/* Ignore "nonstandard extension used : zero-sized array in struct/union"
* MSVC warning */
#ifdef _MSC_VER
#pragma warning(disable: 4200)
#endif
byte data[];
} Cookie;
WOLFSSL_LOCAL int TLSX_Cookie_Use(const WOLFSSL* ssl, const byte* data,
word16 len, byte* mac, byte macSz, int resp, TLSX** exts);
WOLFSSL_LOCAL int TlsCheckCookie(const WOLFSSL* ssl, const byte* cookie,
word16 cookieSz);
/* Key Share - TLS v1.3 Specification */
/* The KeyShare extension information - entry in a linked list. */
typedef struct KeyShareEntry {
word16 group; /* NamedGroup */
byte* ke; /* Key exchange data */
word32 keLen; /* Key exchange data length */
void* key; /* Key struct */
word32 keyLen; /* Key size (bytes) */
byte* pubKey; /* Public key */
word32 pubKeyLen; /* Public key length */
#if !defined(NO_DH) || defined(HAVE_PQC)
byte* privKey; /* Private key - DH and PQ KEMs only */
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
int lastRet;
#endif
struct KeyShareEntry* next; /* List pointer */
} KeyShareEntry;
WOLFSSL_LOCAL int TLSX_KeyShare_Use(const WOLFSSL* ssl, word16 group,
word16 len, byte* data, KeyShareEntry **kse, TLSX** extensions);
WOLFSSL_LOCAL int TLSX_KeyShare_Empty(WOLFSSL* ssl);
WOLFSSL_LOCAL int TLSX_KeyShare_SetSupported(const WOLFSSL* ssl,
TLSX** extensions);
WOLFSSL_LOCAL int TLSX_KeyShare_GenKey(WOLFSSL *ssl, KeyShareEntry *kse);
WOLFSSL_LOCAL int TLSX_KeyShare_Choose(const WOLFSSL *ssl, TLSX* extensions,
byte cipherSuite0, byte cipherSuite, KeyShareEntry** kse,
byte* searched);
WOLFSSL_LOCAL int TLSX_KeyShare_Setup(WOLFSSL *ssl, KeyShareEntry* clientKSE);
WOLFSSL_LOCAL int TLSX_KeyShare_Establish(WOLFSSL* ssl, int* doHelloRetry);
WOLFSSL_LOCAL int TLSX_KeyShare_DeriveSecret(WOLFSSL* sclientKSEclientKSEsl);
WOLFSSL_LOCAL int TLSX_KeyShare_Parse(WOLFSSL* ssl, const byte* input,
word16 length, byte msgType);
WOLFSSL_LOCAL int TLSX_KeyShare_Parse_ClientHello(const WOLFSSL* ssl,
const byte* input, word16 length, TLSX** extensions);
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
enum PskDecryptReturn {
PSK_DECRYPT_NONE = 0,
PSK_DECRYPT_OK,
PSK_DECRYPT_CREATE,
PSK_DECRYPT_FAIL,
};
#ifdef HAVE_SESSION_TICKET
typedef struct psk_sess_free_cb_ctx {
word32 row;
#ifdef HAVE_EXT_CACHE
int extCache;
int freeSess;
#endif
} psk_sess_free_cb_ctx;
typedef void (psk_sess_free_cb)(const WOLFSSL* ssl, const WOLFSSL_SESSION* sess,
psk_sess_free_cb_ctx* freeCtx);
#endif
/* The PreSharedKey extension information - entry in a linked list. */
typedef struct PreSharedKey {
word16 identityLen; /* Length of identity */
byte* identity; /* PSK identity */
word32 ticketAge; /* Age of the ticket */
byte cipherSuite0; /* Cipher Suite */
byte cipherSuite; /* Cipher Suite */
word32 binderLen; /* Length of HMAC */
byte binder[WC_MAX_DIGEST_SIZE]; /* HMAC of handshake */
byte hmac; /* HMAC algorithm */
#ifdef HAVE_SESSION_TICKET
InternalTicket* it; /* ptr to ticket */
const WOLFSSL_SESSION* sess; /* ptr to session either from external cache or
* into SessionCache. Work around so that we
* don't call into the cache more than once */
psk_sess_free_cb* sess_free_cb; /* callback to free sess */
psk_sess_free_cb_ctx sess_free_cb_ctx; /* info for sess_free_cb */
#endif
byte resumption:1; /* Resumption PSK */
byte chosen:1; /* Server's choice */
byte decryptRet:3; /* Ticket decrypt return */
struct PreSharedKey* next; /* List pointer */
} PreSharedKey;
WOLFSSL_LOCAL int TLSX_PreSharedKey_WriteBinders(PreSharedKey* list,
byte* output, byte msgType,
word16* pSz);
WOLFSSL_LOCAL int TLSX_PreSharedKey_GetSizeBinders(PreSharedKey* list,
byte msgType, word16* pSz);
WOLFSSL_LOCAL int TLSX_PreSharedKey_Use(TLSX** extensions, const byte* identity,
word16 len, word32 age, byte hmac,
byte cipherSuite0, byte cipherSuite,
byte resumption,
PreSharedKey **preSharedKey,
void* heap);
WOLFSSL_LOCAL int TLSX_PreSharedKey_Parse_ClientHello(TLSX** extensions,
const byte* input, word16 length, void* heap);
/* The possible Pre-Shared Key key exchange modes. */
enum PskKeyExchangeMode {
PSK_KE,
PSK_DHE_KE
};
/* User can define this. */
#ifndef WOLFSSL_DEF_PSK_CIPHER
#define WOLFSSL_DEF_PSK_CIPHER TLS_AES_128_GCM_SHA256
#endif
WOLFSSL_LOCAL int TLSX_PskKeyModes_Use(WOLFSSL* ssl, byte modes);
WOLFSSL_LOCAL int TLSX_PskKeyModes_Parse_Modes(const byte* input, word16 length,
byte msgType, byte* modes);
#ifdef WOLFSSL_EARLY_DATA
WOLFSSL_LOCAL int TLSX_EarlyData_Use(WOLFSSL* ssl, word32 max, int is_response);
#endif
#endif /* HAVE_SESSION_TICKET || !NO_PSK */
/* The types of keys to derive for. */
enum DeriveKeyType {
no_key,
early_data_key,
handshake_key,
traffic_key,
update_traffic_key
};
WOLFSSL_LOCAL int DeriveEarlySecret(WOLFSSL* ssl);
WOLFSSL_LOCAL int DeriveHandshakeSecret(WOLFSSL* ssl);
WOLFSSL_LOCAL int DeriveTls13Keys(WOLFSSL* ssl, int secret, int side, int store);
WOLFSSL_LOCAL int DeriveMasterSecret(WOLFSSL* ssl);
WOLFSSL_LOCAL int DeriveResumptionPSK(WOLFSSL* ssl, byte* nonce, byte nonceLen, byte* secret);
WOLFSSL_LOCAL int DeriveResumptionSecret(WOLFSSL* ssl, byte* key);
WOLFSSL_LOCAL int Tls13_Exporter(WOLFSSL* ssl, unsigned char *out, size_t outLen,
const char *label, size_t labelLen,
const unsigned char *context, size_t contextLen);
/* The key update request values for KeyUpdate message. */
enum KeyUpdateRequest {
update_not_requested,
update_requested
};
#endif /* WOLFSSL_TLS13 */
#ifdef WOLFSSL_DTLS_CID
WOLFSSL_LOCAL void TLSX_ConnectionID_Free(byte* ext, void* heap);
WOLFSSL_LOCAL word16 TLSX_ConnectionID_Write(byte* ext, byte* output);
WOLFSSL_LOCAL word16 TLSX_ConnectionID_GetSize(byte* ext);
WOLFSSL_LOCAL int TLSX_ConnectionID_Use(WOLFSSL* ssl);
WOLFSSL_LOCAL int TLSX_ConnectionID_Parse(WOLFSSL* ssl, const byte* input,
word16 length, byte isRequest);
WOLFSSL_LOCAL void DtlsCIDOnExtensionsParsed(WOLFSSL* ssl);
WOLFSSL_LOCAL byte DtlsCIDCheck(WOLFSSL* ssl, const byte* input,
word16 inputSize);
#endif /* WOLFSSL_DTLS_CID */
#ifdef OPENSSL_EXTRA
enum SetCBIO {
WOLFSSL_CBIO_NONE = 0,
WOLFSSL_CBIO_RECV = 0x1,
WOLFSSL_CBIO_SEND = 0x2,
};
#endif
#ifdef WOLFSSL_STATIC_EPHEMERAL
/* contains static ephemeral keys */
typedef struct {
#ifndef NO_DH
DerBuffer* dhKey;
#endif
#ifdef HAVE_ECC
DerBuffer* ecKey;
#endif
#ifdef HAVE_CURVE25519
DerBuffer* x25519Key;
#endif
#ifdef HAVE_CURVE448
DerBuffer* x448Key;
#endif
} StaticKeyExchangeInfo_t;
#endif /* WOLFSSL_STATIC_EPHEMERAL */
/* wolfSSL context type */
struct WOLFSSL_CTX {
WOLFSSL_METHOD* method;
#ifdef SINGLE_THREADED
WC_RNG* rng; /* to be shared with WOLFSSL w/o locking */
#endif
wolfSSL_Ref ref;
int err; /* error code in case of mutex not created */
#ifndef NO_DH
buffer serverDH_P;
buffer serverDH_G;
#endif
#ifndef NO_CERTS
DerBuffer* certificate;
DerBuffer* certChain;
/* chain after self, in DER, with leading size for each cert */
#ifndef WOLFSSL_NO_CA_NAMES
WOLF_STACK_OF(WOLFSSL_X509_NAME)* client_ca_names;
#endif
#ifdef OPENSSL_EXTRA
WOLF_STACK_OF(WOLFSSL_X509)* x509Chain;
client_cert_cb CBClientCert; /* client certificate callback */
CertSetupCallback certSetupCb;
void* certSetupCbArg;
#endif
#ifdef WOLFSSL_TLS13
int certChainCnt;
#endif
DerBuffer* privateKey;
byte privateKeyType:6;
byte privateKeyId:1;
byte privateKeyLabel:1;
int privateKeySz;
int privateKeyDevId;
#ifdef OPENSSL_ALL
WOLFSSL_EVP_PKEY* privateKeyPKey;
#endif
WOLFSSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */
#endif
#ifdef KEEP_OUR_CERT
WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert */
int ownOurCert; /* Dispose of certificate if we own */
#endif
Suites* suites; /* make dynamic, user may not need/set */
void* heap; /* for user memory overrides */
byte verifyDepth;
byte verifyPeer:1;
byte verifyNone:1;
byte failNoCert:1;
byte failNoCertxPSK:1; /* fail if no cert with the exception of PSK*/
byte sessionCacheOff:1;
byte sessionCacheFlushOff:1;
#ifdef HAVE_EXT_CACHE
byte internalCacheOff:1;
byte internalCacheLookupOff:1;
#endif
byte sendVerify:2; /* for client side (can not be single bit) */
byte haveRSA:1; /* RSA available */
byte haveECC:1; /* ECC available */
byte haveDH:1; /* server DH params set by user */
byte haveECDSAsig:1; /* server cert signed w/ ECDSA */
byte haveFalconSig:1; /* server cert signed w/ Falcon */
byte haveDilithiumSig:1;/* server cert signed w/ Dilithium */
byte haveStaticECC:1; /* static server ECC private key */
byte partialWrite:1; /* only one msg per write call */
byte autoRetry:1; /* retry read/write on a WANT_{READ|WRITE} */
byte quietShutdown:1; /* don't send close notify */
byte groupMessages:1; /* group handshake messages before sending */
byte minDowngrade; /* minimum downgrade version */
byte haveEMS:1; /* have extended master secret extension */
byte useClientOrder:1; /* Use client's cipher preference order */
#if defined(HAVE_SESSION_TICKET)
byte noTicketTls12:1; /* TLS 1.2 server won't send ticket */
#endif
#ifdef WOLFSSL_TLS13
#if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SERVER)
unsigned int maxTicketTls13; /* maximum number of tickets to send */
#endif
byte noTicketTls13:1; /* TLS 1.3 Server won't create new Ticket */
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
byte noPskDheKe:1; /* Don't use (EC)DHE with PSK */
#ifdef HAVE_SUPPORTED_CURVES
byte onlyPskDheKe:1; /* Only use (EC)DHE with PSK */
#endif
#endif
#endif /* WOLFSSL_TLS13 */
byte mutualAuth:1; /* Mutual authentication required */
#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
byte postHandshakeAuth:1; /* Post-handshake auth supported. */
byte verifyPostHandshake:1; /* Only send client cert req post
* handshake, not also during */
#endif
#ifndef NO_DH
#if !defined(WOLFSSL_OLD_PRIME_CHECK) && !defined(HAVE_FIPS) && \
!defined(HAVE_SELFTEST)
byte dhKeyTested:1; /* Set when key has been tested. */
#endif
#endif
#if defined(HAVE_SECURE_RENEGOTIATION) || defined(HAVE_SERVER_RENEGOTIATION_INFO)
byte useSecureReneg:1; /* when set will set WOLFSSL objects generated to enable */
#endif
#ifdef HAVE_ENCRYPT_THEN_MAC
byte disallowEncThenMac:1; /* Don't do Encrypt-Then-MAC */
#endif
#ifdef WOLFSSL_STATIC_MEMORY
byte onHeapHint:1; /* whether the ctx/method is put on heap hint */
#endif
#if defined(WOLFSSL_STATIC_EPHEMERAL) && !defined(SINGLE_THREADED)
byte staticKELockInit:1;
#endif
#if defined(WOLFSSL_DTLS) && defined(WOLFSSL_SCTP)
byte dtlsSctp:1; /* DTLS-over-SCTP mode */
#endif
word16 minProto:1; /* sets min to min available */
word16 maxProto:1; /* sets max to max available */
#if defined(HAVE_RPK)
RpkConfig rpkConfig;
RpkState rpkState;
#endif /* HAVE_RPK */
#ifdef WOLFSSL_SRTP
word16 dtlsSrtpProfiles; /* DTLS-with-SRTP mode
* (list of selected profiles - up to 16) */
#endif
#if defined(WOLFSSL_DTLS) && defined(WOLFSSL_MULTICAST)
byte haveMcast; /* multicast requested */
byte mcastID; /* multicast group ID */
#endif
#if defined(WOLFSSL_DTLS) && \
(defined(WOLFSSL_SCTP) || defined(WOLFSSL_DTLS_MTU))
word16 dtlsMtuSz; /* DTLS MTU size */
#endif
#ifndef NO_DH
word16 minDhKeySz; /* minimum DH key size */
word16 maxDhKeySz; /* maximum DH key size */
#endif
#ifndef NO_RSA
short minRsaKeySz; /* minimum RSA key size */
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448)
short minEccKeySz; /* minimum ECC key size */
#endif
#ifdef HAVE_PQC
short minFalconKeySz; /* minimum Falcon key size */
short minDilithiumKeySz;/* minimum Dilithium key size */
#endif
unsigned long mask; /* store SSL_OP_ flags */
#if defined(OPENSSL_EXTRA) || defined(HAVE_CURL)
word32 disabledCurves; /* curves disabled by user */
#endif
#ifdef WOLFSSL_SESSION_ID_CTX
byte sessionCtx[ID_LEN]; /* app session context ID */
byte sessionCtxSz;
#endif
#ifdef OPENSSL_EXTRA
const unsigned char *alpn_cli_protos;/* ALPN client protocol list */
unsigned int alpn_cli_protos_len;
byte cbioFlag; /* WOLFSSL_CBIO_RECV/SEND: CBIORecv/Send is set */
CallbackInfoState* CBIS; /* used to get info about SSL state */
WOLFSSL_X509_VERIFY_PARAM* param; /* verification parameters*/
#endif
#ifdef WOLFSSL_WOLFSENTRY_HOOKS
NetworkFilterCallback_t AcceptFilter;
void *AcceptFilter_arg;
NetworkFilterCallback_t ConnectFilter;
void *ConnectFilter_arg;
#endif /* WOLFSSL_WOLFSENTRY_HOOKS */
CallbackIORecv CBIORecv;
CallbackIOSend CBIOSend;
#ifdef WOLFSSL_DTLS
CallbackGenCookie CBIOCookie; /* gen cookie callback */
#endif /* WOLFSSL_DTLS */
#ifdef WOLFSSL_SESSION_EXPORT
#ifdef WOLFSSL_DTLS
wc_dtls_export dtls_export; /* export function for DTLS session */
#endif
CallbackGetPeer CBGetPeer;
CallbackSetPeer CBSetPeer;
#endif
VerifyCallback verifyCallback; /* cert verification callback */
void* verifyCbCtx; /* cert verify callback user ctx*/
#ifdef OPENSSL_ALL
CertVerifyCallback verifyCertCb;
void* verifyCertCbArg;
#endif /* OPENSSL_ALL */
#ifdef OPENSSL_EXTRA
SSL_Msg_Cb protoMsgCb; /* inspect protocol message callback */
void* protoMsgCtx; /* user set context with msg callback */
#endif
word32 timeout; /* session timeout */
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_CURVE25519) || \
defined(HAVE_ED448)
word32 ecdhCurveOID; /* curve Ecc_Sum */
#endif
#ifdef HAVE_ECC
word16 eccTempKeySz; /* in octets 20 - 66 */
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448)
word32 pkCurveOID; /* curve Ecc_Sum */
#endif
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
byte havePSK; /* psk key set by user */
wc_psk_client_callback client_psk_cb; /* client callback */
wc_psk_server_callback server_psk_cb; /* server callback */
#ifdef WOLFSSL_TLS13
wc_psk_client_cs_callback client_psk_cs_cb; /* client callback */
wc_psk_client_tls13_callback client_psk_tls13_cb; /* client callback */
wc_psk_server_tls13_callback server_psk_tls13_cb; /* server callback */
#endif
void* psk_ctx;
char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN];
#endif /* HAVE_SESSION_TICKET || !NO_PSK */
#ifdef WOLFSSL_TLS13
word16 group[WOLFSSL_MAX_GROUP_COUNT];
byte numGroups;
#endif
#ifdef WOLFSSL_EARLY_DATA
word32 maxEarlyDataSz;
#endif
#ifdef HAVE_ANON
byte haveAnon; /* User wants to allow Anon suites */
#endif /* HAVE_ANON */
#ifdef WOLFSSL_ENCRYPTED_KEYS
wc_pem_password_cb* passwd_cb;
void* passwd_userdata;
#endif
#ifdef WOLFSSL_LOCAL_X509_STORE
WOLFSSL_X509_STORE x509_store; /* points to ctx->cm */
WOLFSSL_X509_STORE* x509_store_pt; /* take ownership of external store */
#endif
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) || defined(WOLFSSL_WPAS_SMALL)
byte readAhead;
void* userPRFArg; /* passed to prf callback */
#endif
#ifdef HAVE_EX_DATA
WOLFSSL_CRYPTO_EX_DATA ex_data;
#endif
#if defined(HAVE_ALPN) && (defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || \
defined(WOLFSSL_HAPROXY) || defined(HAVE_LIGHTY) || defined(WOLFSSL_QUIC))
CallbackALPNSelect alpnSelect;
void* alpnSelectArg;
#endif
#ifdef HAVE_SNI
CallbackSniRecv sniRecvCb;
void* sniRecvCbArg;
#endif
#if defined(WOLFSSL_MULTICAST) && defined(WOLFSSL_DTLS)
CallbackMcastHighwater mcastHwCb; /* Sequence number highwater callback */
word32 mcastFirstSeq; /* first trigger level */
word32 mcastSecondSeq; /* second trigger level */
word32 mcastMaxSeq; /* max level */
#endif
#ifdef HAVE_OCSP
WOLFSSL_OCSP ocsp;
#endif
int devId; /* async device id to use */
#ifdef HAVE_TLS_EXTENSIONS
TLSX* extensions; /* RFC 6066 TLS Extensions data */
#ifndef NO_WOLFSSL_SERVER
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
OcspRequest* certOcspRequest;
#endif
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
OcspRequest* chainOcspRequest[MAX_CHAIN_DEPTH];
#endif
#endif
#if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SERVER)
SessionTicketEncCb ticketEncCb; /* enc/dec session ticket Cb */
void* ticketEncCtx; /* session encrypt context */
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) \
|| defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY)
ticketCompatCb ticketEncWrapCb; /* callback for OpenSSL ticket key callback */
#endif
int ticketHint; /* ticket hint in seconds */
#ifndef WOLFSSL_NO_DEF_TICKET_ENC_CB
TicketEncCbCtx ticketKeyCtx;
#endif
#endif
#endif
#ifdef HAVE_SUPPORTED_CURVES
byte userCurves; /* indicates user called wolfSSL_CTX_UseSupportedCurve */
#endif
#ifdef ATOMIC_USER
CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */
CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */
#ifdef HAVE_ENCRYPT_THEN_MAC
CallbackEncryptMac EncryptMacCb; /* Atomic User Mac/Enc Cb */
CallbackVerifyDecrypt VerifyDecryptCb; /* Atomic User Dec/Verify Cb */
#endif
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
CallbackEccKeyGen EccKeyGenCb; /* User EccKeyGen Callback Handler */
CallbackEccSign EccSignCb; /* User EccSign Callback handler */
void* EccSignCtx; /* Ecc Sign Callback Context */
CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */
CallbackEccSharedSecret EccSharedSecretCb; /* User EccVerify Callback handler */
#endif /* HAVE_ECC */
#ifdef HAVE_HKDF
CallbackHKDFExtract HkdfExtractCb; /* User hkdf Extract Callback handler */
#endif
#ifdef HAVE_ED25519
/* User Ed25519Sign Callback handler */
CallbackEd25519Sign Ed25519SignCb;
/* User Ed25519Verify Callback handler */
CallbackEd25519Verify Ed25519VerifyCb;
#endif
#ifdef HAVE_CURVE25519
/* User X25519 KeyGen Callback Handler */
CallbackX25519KeyGen X25519KeyGenCb;
/* User X25519 SharedSecret Callback handler */
CallbackX25519SharedSecret X25519SharedSecretCb;
#endif
#ifdef HAVE_ED448
/* User Ed448Sign Callback handler */
CallbackEd448Sign Ed448SignCb;
/* User Ed448Verify Callback handler */
CallbackEd448Verify Ed448VerifyCb;
#endif
#ifdef HAVE_CURVE448
/* User X448 KeyGen Callback Handler */
CallbackX448KeyGen X448KeyGenCb;
/* User X448 SharedSecret Callback handler */
CallbackX448SharedSecret X448SharedSecretCb;
#endif
#ifndef NO_DH
/* User DH KeyGen Callback handler*/
CallbackDhGenerateKeyPair DhGenerateKeyPairCb;
/* User DH Agree Callback handler */
CallbackDhAgree DhAgreeCb;
#endif
#ifndef NO_RSA
/* User RsaSign Callback handler (priv key) */
CallbackRsaSign RsaSignCb;
/* User RsaVerify Callback handler (pub key) */
CallbackRsaVerify RsaVerifyCb;
/* User VerifyRsaSign Callback handler (priv key) */
CallbackRsaVerify RsaSignCheckCb;
#ifdef WC_RSA_PSS
/* User RsaSign (priv key) */
CallbackRsaPssSign RsaPssSignCb;
/* User RsaVerify (pub key) */
CallbackRsaPssVerify RsaPssVerifyCb;
/* User VerifyRsaSign (priv key) */
CallbackRsaPssVerify RsaPssSignCheckCb;
#endif
CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */
CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */
#endif /* NO_RSA */
/* User generate pre-master handler */
CallbackGenPreMaster GenPreMasterCb;
/* User generate master secret handler */
CallbackGenMasterSecret GenMasterCb;
/* User generate session key handler */
CallbackGenSessionKey GenSessionKeyCb;
/* User setting encrypt keys handler */
CallbackEncryptKeys EncryptKeysCb;
/* User Tls finished handler */
CallbackTlsFinished TlsFinishedCb;
#if !defined(WOLFSSL_NO_TLS12) && !defined(WOLFSSL_AEAD_ONLY)
/* User Verify mac handler */
CallbackVerifyMac VerifyMacCb;
#endif
#if defined(WOLFSSL_PUBLIC_ASN)
/* User handler to process a certificate */
CallbackProcessPeerCert ProcessPeerCertCb;
#endif
/* User handler to process the server's key exchange public key */
CallbackProcessServerSigKex ProcessServerSigKexCb;
/* User handler to process the TLS record */
CallbackPerformTlsRecordProcessing PerformTlsRecordProcessingCb;
/* User handler to do HKDF expansions */
CallbackHKDFExpandLabel HKDFExpandLabelCb;
#endif /* HAVE_PK_CALLBACKS */
#ifdef HAVE_WOLF_EVENT
WOLF_EVENT_QUEUE event_queue;
#endif /* HAVE_WOLF_EVENT */
#ifdef HAVE_EXT_CACHE
WOLFSSL_SESSION*(*get_sess_cb)(WOLFSSL*, const unsigned char*, int, int*);
int (*new_sess_cb)(WOLFSSL*, WOLFSSL_SESSION*);
#endif
#if defined(HAVE_EXT_CACHE) || defined(HAVE_EX_DATA)
Rem_Sess_Cb rem_sess_cb;
#endif
#if defined(OPENSSL_EXTRA) && defined(WOLFCRYPT_HAVE_SRP) && !defined(NO_SHA256)
Srp* srp; /* TLS Secure Remote Password Protocol*/
byte* srp_password;
#endif
#if defined(OPENSSL_EXTRA) && defined(HAVE_SECRET_CALLBACK)
wolfSSL_CTX_keylog_cb_func keyLogCb;
#endif /* OPENSSL_EXTRA && HAVE_SECRET_CALLBACK */
#ifdef WOLFSSL_STATIC_EPHEMERAL
StaticKeyExchangeInfo_t staticKE;
#ifndef SINGLE_THREADED
wolfSSL_Mutex staticKELock;
#endif
#endif
#ifdef WOLFSSL_QUIC
struct {
const WOLFSSL_QUIC_METHOD *method;
} quic;
#endif
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
WOLFSSL_EchConfig* echConfigs;
#endif
#if defined(__APPLE__) && defined(WOLFSSL_SYS_CA_CERTS)
byte doAppleNativeCertValidationFlag:1;
#endif /* defined(__APPLE__) && defined(WOLFSSL_SYS_CA_CERTS) */
};
WOLFSSL_LOCAL
int InitSSL_Ctx(WOLFSSL_CTX* ctx, WOLFSSL_METHOD* method, void* heap);
WOLFSSL_LOCAL
void FreeSSL_Ctx(WOLFSSL_CTX* ctx);
WOLFSSL_LOCAL
void SSL_CtxResourceFree(WOLFSSL_CTX* ctx);
#ifdef HAVE_EX_DATA_CLEANUP_HOOKS
#ifndef HAVE_EX_DATA
#error "HAVE_EX_DATA_CLEANUP_HOOKS requires HAVE_EX_DATA to be defined"
#endif
void wolfSSL_CRYPTO_cleanup_ex_data(WOLFSSL_CRYPTO_EX_DATA* ex_data);
#endif
WOLFSSL_LOCAL
int DeriveTlsKeys(WOLFSSL* ssl);
WOLFSSL_LOCAL
int ProcessOldClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 inSz, word16 sz);
#ifndef NO_CERTS
WOLFSSL_LOCAL
int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify);
WOLFSSL_LOCAL
int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash);
#ifdef WOLFSSL_TRUST_PEER_CERT
WOLFSSL_LOCAL
int AddTrustedPeer(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int verify);
WOLFSSL_LOCAL
int AlreadyTrustedPeer(WOLFSSL_CERT_MANAGER* cm, DecodedCert* cert);
#endif
#endif
/* All cipher suite related info
* Keep as a constant size (no ifdefs) for session export */
typedef struct CipherSpecs {
word16 key_size;
word16 iv_size;
word16 block_size;
word16 aead_mac_size;
byte bulk_cipher_algorithm;
byte cipher_type; /* block, stream, or aead */
byte mac_algorithm;
byte kea; /* key exchange algo */
byte sig_algo;
byte hash_size;
byte pad_size;
byte static_ecdh;
} CipherSpecs;
void InitCipherSpecs(CipherSpecs* cs);
/* Supported Key Exchange Protocols */
enum KeyExchangeAlgorithm {
no_kea,
rsa_kea,
diffie_hellman_kea,
fortezza_kea,
psk_kea,
dhe_psk_kea,
ecdhe_psk_kea,
ecc_diffie_hellman_kea,
ecc_static_diffie_hellman_kea /* for verify suite only */
};
/* Used with InitSuitesHashSigAlgo_ex2 */
#define SIG_ECDSA 0x01
#define SIG_RSA 0x02
#define SIG_SM2 0x04
#define SIG_FALCON 0x08
#define SIG_DILITHIUM 0x10
#define SIG_ANON 0x20
/* Supported Authentication Schemes */
enum SignatureAlgorithm {
anonymous_sa_algo = 0,
rsa_sa_algo = 1,
dsa_sa_algo = 2,
ecc_dsa_sa_algo = 3,
rsa_pss_sa_algo = 8,
ed25519_sa_algo = 9,
rsa_pss_pss_algo = 10,
ed448_sa_algo = 11,
falcon_level1_sa_algo = 12,
falcon_level5_sa_algo = 13,
dilithium_level2_sa_algo = 14,
dilithium_level3_sa_algo = 15,
dilithium_level5_sa_algo = 16,
sm2_sa_algo = 17,
invalid_sa_algo = 255
};
#define PSS_RSAE_TO_PSS_PSS(macAlgo) \
((macAlgo) + (pss_sha256 - sha256_mac))
#define PSS_PSS_HASH_TO_MAC(macAlgo) \
((macAlgo) - (pss_sha256 - sha256_mac))
enum SigAlgRsaPss {
pss_sha256 = 0x09,
pss_sha384 = 0x0a,
pss_sha512 = 0x0b,
};
#ifdef WOLFSSL_SM2
/* Default SM2 signature ID. */
#define TLS12_SM2_SIG_ID ((byte*)"1234567812345678")
/* Length of default SM2 signature ID. */
#define TLS12_SM2_SIG_ID_SZ 16
/* https://www.rfc-editor.org/rfc/rfc8998.html#name-sm2-signature-scheme */
/* ID to use when signing/verifying TLS v1.3 data. */
#define TLS13_SM2_SIG_ID ((byte*)"TLSv1.3+GM+Cipher+Suite")
/* Length of ID to use when signing/verifying TLS v1.3 data. */
#define TLS13_SM2_SIG_ID_SZ 23
#endif
/* Supported ECC Curve Types */
enum EccCurves {
named_curve = 3
};
/* Valid client certificate request types from page 27 */
enum ClientCertificateType {
rsa_sign = 1,
dss_sign = 2,
rsa_fixed_dh = 3,
dss_fixed_dh = 4,
rsa_ephemeral_dh = 5,
dss_ephemeral_dh = 6,
fortezza_kea_cert = 20,
ecdsa_sign = 64,
rsa_fixed_ecdh = 65,
ecdsa_fixed_ecdh = 66,
falcon_sign = 67,
dilithium_sign = 68,
};
#ifndef WOLFSSL_AEAD_ONLY
enum CipherType { stream, block, aead };
#else
enum CipherType { aead };
#endif
#if defined(BUILD_AES) || defined(BUILD_AESGCM) || defined(HAVE_ARIA) || \
(defined(HAVE_CHACHA) && defined(HAVE_POLY1305)) || defined(WOLFSSL_TLS13)
#define CIPHER_NONCE
#endif
#if defined(WOLFSSL_DTLS) && defined(HAVE_SECURE_RENEGOTIATION)
enum CipherSrc {
KEYS_NOT_SET = 0,
KEYS, /* keys from ssl->keys are loaded */
SCR /* keys from ssl->secure_renegotiation->tmp_keys are loaded */
};
#endif
#ifdef WOLFSSL_CIPHER_TEXT_CHECK
#ifndef WOLFSSL_CIPHER_CHECK_SZ
/* 64-bits to confirm encrypt operation worked */
#define WOLFSSL_CIPHER_CHECK_SZ 8
#endif
#endif
/* cipher for now */
typedef struct Ciphers {
#ifdef BUILD_ARC4
Arc4* arc4;
#endif
#ifdef BUILD_DES3
Des3* des3;
#endif
#if defined(BUILD_AES) || defined(BUILD_AESGCM)
Aes* aes;
#endif
#if (defined(BUILD_AESGCM) || defined(HAVE_AESCCM)) && !defined(WOLFSSL_NO_TLS12)
byte* additional;
#endif
#ifdef HAVE_ARIA
wc_Aria* aria;
#endif
#ifdef CIPHER_NONCE
byte* nonce;
#endif
#ifdef HAVE_CAMELLIA
Camellia* cam;
#endif
#ifdef HAVE_CHACHA
ChaCha* chacha;
#endif
#ifdef WOLFSSL_SM4
wc_Sm4* sm4;
#endif
#if defined(WOLFSSL_TLS13) && defined(HAVE_NULL_CIPHER) && !defined(NO_HMAC)
Hmac* hmac;
#endif
#ifdef WOLFSSL_CIPHER_TEXT_CHECK
word32 sanityCheck[WOLFSSL_CIPHER_CHECK_SZ/sizeof(word32)];
#endif
byte state;
byte setup; /* have we set it up flag for detection */
#if defined(WOLFSSL_DTLS) && defined(HAVE_SECURE_RENEGOTIATION)
enum CipherSrc src; /* DTLS uses this to determine which keys
* are currently loaded */
#endif
} Ciphers;
#ifdef WOLFSSL_DTLS13
typedef struct RecordNumberCiphers {
#if defined(BUILD_AES) || defined(BUILD_AESGCM)
Aes *aes;
#endif /* BUILD_AES || BUILD_AESGCM */
#ifdef HAVE_CHACHA
ChaCha *chacha;
#endif
} RecordNumberCiphers;
#endif /* WOLFSSL_DTLS13 */
#ifdef HAVE_ONE_TIME_AUTH
/* Ciphers for one time authentication such as poly1305 */
typedef struct OneTimeAuth {
#ifdef HAVE_POLY1305
Poly1305* poly1305;
#endif
byte setup; /* flag for if a cipher has been set */
} OneTimeAuth;
#endif
WOLFSSL_LOCAL void InitCiphers(WOLFSSL* ssl);
WOLFSSL_LOCAL void FreeCiphers(WOLFSSL* ssl);
/* hashes type */
typedef struct Hashes {
#if !defined(NO_MD5) && !defined(NO_OLD_TLS)
byte md5[WC_MD5_DIGEST_SIZE];
#endif
#if !defined(NO_SHA)
byte sha[WC_SHA_DIGEST_SIZE];
#endif
#ifndef NO_SHA256
byte sha256[WC_SHA256_DIGEST_SIZE];
#endif
#ifdef WOLFSSL_SHA384
byte sha384[WC_SHA384_DIGEST_SIZE];
#endif
#ifdef WOLFSSL_SHA512
byte sha512[WC_SHA512_DIGEST_SIZE];
#endif
#ifdef WOLFSSL_SM3
byte sm3[WC_SM3_DIGEST_SIZE];
#endif
} Hashes;
WOLFSSL_LOCAL int BuildCertHashes(const WOLFSSL* ssl, Hashes* hashes);
#ifdef WOLFSSL_TLS13
typedef union Digest {
#ifndef NO_WOLFSSL_SHA256
wc_Sha256 sha256;
#endif
#ifdef WOLFSSL_SHA384
wc_Sha384 sha384;
#endif
#ifdef WOLFSSL_SHA512
wc_Sha512 sha512;
#endif
#ifdef WOLFSSL_SM3
wc_Sm3 sm3;
#endif
} Digest;
#endif
/* Static x509 buffer */
typedef struct x509_buffer {
int length; /* actual size */
byte buffer[MAX_X509_SIZE]; /* max static cert size */
} x509_buffer;
/* wolfSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */
struct WOLFSSL_X509_CHAIN {
int count; /* total number in chain */
x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */
};
typedef enum WOLFSSL_SESSION_TYPE {
WOLFSSL_SESSION_TYPE_UNKNOWN,
WOLFSSL_SESSION_TYPE_SSL, /* in ssl->session */
WOLFSSL_SESSION_TYPE_CACHE, /* pointer to internal cache */
WOLFSSL_SESSION_TYPE_HEAP /* allocated from heap SESSION_new */
} WOLFSSL_SESSION_TYPE;
#ifdef WOLFSSL_QUIC
typedef struct QuicRecord QuicRecord;
typedef struct QuicRecord {
struct QuicRecord *next;
uint8_t *data;
word32 capacity;
word32 len;
word32 start;
word32 end;
WOLFSSL_ENCRYPTION_LEVEL level;
word32 rec_hdr_remain;
} QuicEncData;
typedef struct QuicTransportParam QuicTransportParam;
struct QuicTransportParam {
const uint8_t *data;
word16 len;
};
WOLFSSL_LOCAL const QuicTransportParam *QuicTransportParam_new(const uint8_t *data, size_t len, void *heap);
WOLFSSL_LOCAL const QuicTransportParam *QuicTransportParam_dup(const QuicTransportParam *tp, void *heap);
WOLFSSL_LOCAL void QuicTransportParam_free(const QuicTransportParam *tp, void *heap);
WOLFSSL_LOCAL int TLSX_QuicTP_Use(WOLFSSL* ssl, TLSX_Type ext_type, int is_response);
WOLFSSL_LOCAL int wolfSSL_quic_add_transport_extensions(WOLFSSL *ssl, int msg_type);
#define QTP_FREE QuicTransportParam_free
#endif /* WOLFSSL_QUIC */
/** Session Ticket - RFC 5077 (session 3.2) */
#if defined(WOLFSSL_TLS13) && defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
/* Ticket nonce - for deriving PSK.
Length allowed to be: 1..255. Only support
* TLS13_TICKET_NONCE_STATIC_SZ length bytes.
*/
typedef struct TicketNonce {
byte len;
#if defined(WOLFSSL_TICKET_NONCE_MALLOC) && \
(!defined(HAVE_FIPS) || (defined(FIPS_VERSION_GE) && FIPS_VERSION_GE(5,3)))
byte *data;
byte dataStatic[MAX_TICKET_NONCE_STATIC_SZ];
#else
byte data[MAX_TICKET_NONCE_STATIC_SZ];
#endif /* WOLFSSL_TICKET_NONCE_MALLOC && FIPS_VERSION_GE(5,3) */
} TicketNonce;
#endif
/* wolfSSL session type */
struct WOLFSSL_SESSION {
/* WARNING Do not add fields here. They will be ignored in
* wolfSSL_DupSession. */
WOLFSSL_SESSION_TYPE type;
#ifndef NO_SESSION_CACHE
int cacheRow; /* row in session cache */
#endif
wolfSSL_Ref ref;
byte altSessionID[ID_LEN];
byte haveAltSessionID:1;
#ifdef HAVE_EX_DATA
byte ownExData:1;
#endif
#if defined(HAVE_EXT_CACHE) || defined(HAVE_EX_DATA)
Rem_Sess_Cb rem_sess_cb;
#endif
void* heap;
/* WARNING The above fields (up to and including the heap) are not copied
* in wolfSSL_DupSession. Place new fields after the heap
* member */
byte side; /* Either WOLFSSL_CLIENT_END or
WOLFSSL_SERVER_END */
word32 bornOn; /* create time in seconds */
word32 timeout; /* timeout in seconds */
byte sessionID[ID_LEN]; /* id for protocol or bogus
* ID for TLS 1.3 */
byte sessionIDSz;
byte masterSecret[SECRET_LEN]; /* stored secret */
word16 haveEMS; /* ext master secret flag */
#if defined(SESSION_CERTS) && defined(OPENSSL_EXTRA)
WOLFSSL_X509* peer; /* peer cert */
#endif
#if defined(SESSION_CERTS) || (defined(WOLFSSL_TLS13) && \
defined(HAVE_SESSION_TICKET))
ProtocolVersion version; /* which version was used */
#endif
#if defined(SESSION_CERTS) || !defined(NO_RESUME_SUITE_CHECK) || \
(defined(WOLFSSL_TLS13) && defined(HAVE_SESSION_TICKET))
byte cipherSuite0; /* first byte, normally 0 */
byte cipherSuite; /* 2nd byte, actual suite */
#endif
#ifndef NO_CLIENT_CACHE
word16 idLen; /* serverID length */
byte serverID[SERVER_ID_LEN]; /* for easier client lookup */
#endif
#ifdef WOLFSSL_SESSION_ID_CTX
byte sessionCtxSz; /* sessionCtx length */
byte sessionCtx[ID_LEN]; /* app specific context id */
#endif /* WOLFSSL_SESSION_ID_CTX */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
byte peerVerifyRet; /* cert verify error */
#endif
#ifdef WOLFSSL_TLS13
word16 namedGroup;
#endif
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
#ifdef WOLFSSL_TLS13
#ifdef WOLFSSL_32BIT_MILLI_TIME
word32 ticketSeen; /* Time ticket seen (ms) */
#else
sword64 ticketSeen; /* Time ticket seen (ms) */
#endif
word32 ticketAdd; /* Added by client */
TicketNonce ticketNonce; /* Nonce used to derive PSK */
#endif
#ifdef WOLFSSL_EARLY_DATA
word32 maxEarlyDataSz;
#endif
#endif
#ifdef HAVE_SESSION_TICKET
byte staticTicket[SESSION_TICKET_LEN];
byte* ticket;
word16 ticketLen;
word16 ticketLenAlloc; /* is dynamic */
#endif
#ifdef SESSION_CERTS
WOLFSSL_X509_CHAIN chain; /* peer cert chain, static */
#ifdef WOLFSSL_ALT_CERT_CHAINS
WOLFSSL_X509_CHAIN altChain; /* peer alt cert chain, static */
#endif
#endif
#ifdef HAVE_EX_DATA
WOLFSSL_CRYPTO_EX_DATA ex_data;
#endif
byte isSetup:1;
};
#if defined(WOLFSSL_TLS13) && defined(HAVE_SESSION_TICKET) && \
defined(WOLFSSL_TICKET_NONCE_MALLOC) && \
(!defined(HAVE_FIPS) || (defined(FIPS_VERSION_GE) && FIPS_VERSION_GE(5,3)))
WOLFSSL_LOCAL int SessionTicketNoncePopulate(WOLFSSL_SESSION *session,
const byte* nonce, byte len);
#endif /* WOLFSSL_TLS13 && */
WOLFSSL_LOCAL int wolfSSL_RAND_Init(void);
WOLFSSL_LOCAL WOLFSSL_SESSION* wolfSSL_NewSession(void* heap);
WOLFSSL_LOCAL WOLFSSL_SESSION* wolfSSL_GetSession(
WOLFSSL* ssl, byte* masterSecret, byte restoreSessionCerts);
WOLFSSL_LOCAL void SetupSession(WOLFSSL* ssl);
WOLFSSL_LOCAL void AddSession(WOLFSSL* ssl);
/* use wolfSSL_API visibility to be able to test in tests/api.c */
WOLFSSL_API int AddSessionToCache(WOLFSSL_CTX* ctx,
WOLFSSL_SESSION* addSession, const byte* id, byte idSz, int* sessionIndex,
int side, word16 useTicket, ClientSession** clientCacheEntry);
#ifndef NO_CLIENT_CACHE
WOLFSSL_LOCAL ClientSession* AddSessionToClientCache(int side, int row, int idx,
byte* serverID, word16 idLen, const byte* sessionID,
word16 useTicket);
#endif
WOLFSSL_LOCAL
WOLFSSL_SESSION* ClientSessionToSession(const WOLFSSL_SESSION* session);
WOLFSSL_LOCAL void TlsSessionCacheUnlockRow(word32 row);
WOLFSSL_LOCAL int TlsSessionCacheGetAndRdLock(const byte *id,
const WOLFSSL_SESSION **sess, word32 *lockedRow, byte side);
WOLFSSL_LOCAL int TlsSessionCacheGetAndWrLock(const byte *id,
WOLFSSL_SESSION **sess, word32 *lockedRow, byte side);
WOLFSSL_LOCAL void EvictSessionFromCache(WOLFSSL_SESSION* session);
/* WOLFSSL_API to test it in tests/api.c */
WOLFSSL_API int wolfSSL_GetSessionFromCache(WOLFSSL* ssl, WOLFSSL_SESSION* output);
WOLFSSL_LOCAL int wolfSSL_SetSession(WOLFSSL* ssl, WOLFSSL_SESSION* session);
WOLFSSL_LOCAL void wolfSSL_FreeSession(WOLFSSL_CTX* ctx,
WOLFSSL_SESSION* session);
WOLFSSL_LOCAL int wolfSSL_DupSession(const WOLFSSL_SESSION* input,
WOLFSSL_SESSION* output, int avoidSysCalls);
typedef int (*hmacfp) (WOLFSSL*, byte*, const byte*, word32, int, int, int, int);
#ifndef NO_CLIENT_CACHE
WOLFSSL_LOCAL WOLFSSL_SESSION* wolfSSL_GetSessionClient(
WOLFSSL* ssl, const byte* id, int len);
#endif
/* client connect state for nonblocking restart */
enum ConnectState {
CONNECT_BEGIN = 0,
CLIENT_HELLO_SENT,
HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */
HELLO_AGAIN_REPLY,
FIRST_REPLY_DONE,
FIRST_REPLY_FIRST,
FIRST_REPLY_SECOND,
FIRST_REPLY_THIRD,
FIRST_REPLY_FOURTH,
FINISHED_DONE,
SECOND_REPLY_DONE,
#ifdef WOLFSSL_DTLS13
WAIT_FINISHED_ACK
#endif /* WOLFSSL_DTLS13 */
};
/* server accept state for nonblocking restart */
enum AcceptState {
ACCEPT_BEGIN = 0,
ACCEPT_BEGIN_RENEG,
ACCEPT_CLIENT_HELLO_DONE,
ACCEPT_HELLO_RETRY_REQUEST_DONE,
ACCEPT_FIRST_REPLY_DONE,
SERVER_HELLO_SENT,
CERT_SENT,
CERT_VERIFY_SENT,
CERT_STATUS_SENT,
KEY_EXCHANGE_SENT,
CERT_REQ_SENT,
SERVER_HELLO_DONE,
ACCEPT_SECOND_REPLY_DONE,
TICKET_SENT,
CHANGE_CIPHER_SENT,
ACCEPT_FINISHED_DONE,
ACCEPT_THIRD_REPLY_DONE
};
/* TLS 1.3 server accept state for nonblocking restart */
enum AcceptStateTls13 {
TLS13_ACCEPT_BEGIN = 0,
TLS13_ACCEPT_BEGIN_RENEG,
TLS13_ACCEPT_CLIENT_HELLO_DONE,
TLS13_ACCEPT_HELLO_RETRY_REQUEST_DONE,
TLS13_ACCEPT_FIRST_REPLY_DONE,
TLS13_ACCEPT_SECOND_REPLY_DONE,
TLS13_SERVER_HELLO_SENT,
TLS13_ACCEPT_THIRD_REPLY_DONE,
TLS13_SERVER_EXTENSIONS_SENT,
TLS13_CERT_REQ_SENT,
TLS13_CERT_SENT,
TLS13_CERT_VERIFY_SENT,
TLS13_ACCEPT_FINISHED_SENT,
TLS13_PRE_TICKET_SENT,
TLS13_ACCEPT_FINISHED_DONE,
TLS13_TICKET_SENT
};
/* buffers for struct WOLFSSL */
typedef struct Buffers {
bufferStatic inputBuffer;
bufferStatic outputBuffer;
buffer domainName; /* for client check */
buffer clearOutputBuffer;
buffer sig; /* signature data */
buffer digest; /* digest data */
int prevSent; /* previous plain text bytes sent
when got WANT_WRITE */
int plainSz; /* plain text bytes in buffer to send
when got WANT_WRITE */
byte weOwnCert; /* SSL own cert flag */
byte weOwnCertChain; /* SSL own cert chain flag */
byte weOwnKey; /* SSL own key flag */
byte weOwnDH; /* SSL own dh (p,g) flag */
#ifndef NO_DH
buffer serverDH_P; /* WOLFSSL_CTX owns, unless we own */
buffer serverDH_G; /* WOLFSSL_CTX owns, unless we own */
buffer serverDH_Pub;
buffer serverDH_Priv;
DhKey* serverDH_Key;
#endif
#ifndef NO_CERTS
DerBuffer* certificate; /* WOLFSSL_CTX owns, unless we own */
DerBuffer* key; /* WOLFSSL_CTX owns, unless we own */
byte keyType:6; /* Type of key: RSA, ECC, Ed25519 */
byte keyId:1; /* Key data is an id not data */
byte keyLabel:1; /* Key data is a label not data */
int keySz; /* Size of RSA key */
int keyDevId; /* Device Id for key */
DerBuffer* certChain; /* WOLFSSL_CTX owns, unless we own */
/* chain after self, in DER, with leading size for each cert */
#ifdef WOLFSSL_TLS13
int certChainCnt;
DerBuffer* certExts;
#endif
#endif
#ifdef WOLFSSL_SEND_HRR_COOKIE
buffer tls13CookieSecret; /* HRR cookie secret */
#endif
#ifdef WOLFSSL_DTLS
WOLFSSL_DTLS_CTX dtlsCtx; /* DTLS connection context */
#ifndef NO_WOLFSSL_SERVER
buffer dtlsCookieSecret; /* DTLS cookie secret */
#endif /* NO_WOLFSSL_SERVER */
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */
#endif /* HAVE_ECC */
#ifdef HAVE_ED25519
buffer peerEd25519Key; /* for Ed25519 Verify Callbacks */
#endif /* HAVE_ED25519 */
#ifdef HAVE_ED448
buffer peerEd448Key; /* for Ed448 Verify Callbacks */
#endif /* HAVE_ED448 */
#ifndef NO_RSA
buffer peerRsaKey; /* we own for Rsa Verify Callbacks */
#endif /* NO_RSA */
#endif /* HAVE_PK_CALLBACKS */
} Buffers;
/* sub-states for send/do key share (key exchange) */
enum asyncState {
TLS_ASYNC_BEGIN = 0,
TLS_ASYNC_BUILD,
TLS_ASYNC_DO,
TLS_ASYNC_VERIFY,
TLS_ASYNC_FINALIZE,
TLS_ASYNC_END
};
/* sub-states for build message */
enum buildMsgState {
BUILD_MSG_BEGIN = 0,
BUILD_MSG_SIZE,
BUILD_MSG_HASH,
BUILD_MSG_VERIFY_MAC,
BUILD_MSG_ENCRYPT,
BUILD_MSG_ENCRYPTED_VERIFY_MAC,
};
/* sub-states for cipher operations */
enum cipherState {
CIPHER_STATE_BEGIN = 0,
CIPHER_STATE_DO,
CIPHER_STATE_END,
};
struct Options {
#ifndef NO_PSK
wc_psk_client_callback client_psk_cb;
wc_psk_server_callback server_psk_cb;
#ifdef OPENSSL_EXTRA
wc_psk_use_session_cb_func session_psk_cb;
#endif
#ifdef WOLFSSL_TLS13
wc_psk_client_cs_callback client_psk_cs_cb; /* client callback */
wc_psk_client_tls13_callback client_psk_tls13_cb; /* client callback */
wc_psk_server_tls13_callback server_psk_tls13_cb; /* server callback */
#endif
void* psk_ctx;
#endif /* NO_PSK */
unsigned long mask; /* store SSL_OP_ flags */
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) || defined(WOLFSSL_WPAS_SMALL)
word16 minProto:1; /* sets min to min available */
word16 maxProto:1; /* sets max to max available */
#endif
#if defined(HAVE_SESSION_TICKET) && defined(WOLFSSL_TLS13)
unsigned int maxTicketTls13; /* maximum number of tickets to send */
unsigned int ticketsSent; /* keep track of the total sent */
#endif
/* on/off or small bit flags, optimize layout */
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
word16 havePSK:1; /* psk key set by user */
#endif /* HAVE_SESSION_TICKET || !NO_PSK */
word16 sendVerify:2; /* false = 0, true = 1, sendBlank = 2 */
word16 sessionCacheOff:1;
word16 sessionCacheFlushOff:1;
#ifdef HAVE_EXT_CACHE
word16 internalCacheOff:1;
word16 internalCacheLookupOff:1;
#endif
word16 side:2; /* client, server or neither end */
word16 verifyPeer:1;
word16 verifyNone:1;
word16 failNoCert:1;
word16 failNoCertxPSK:1; /* fail for no cert except with PSK */
word16 downgrade:1; /* allow downgrade of versions */
word16 resuming:1;
#ifdef HAVE_SECURE_RENEGOTIATION
word16 resumed:1; /* resuming may be reset on SCR */
#endif
word16 isPSK:1;
word16 haveSessionId:1; /* server may not send */
word16 tls:1; /* using TLS ? */
word16 tls1_1:1; /* using TLSv1.1+ ? */
word16 tls1_3:1; /* using TLSv1.3+ ? */
word16 seenUnifiedHdr:1; /* received msg with unified header */
word16 dtls:1; /* using datagrams ? */
#ifdef WOLFSSL_DTLS
word16 dtlsStateful:1; /* allow stateful processing ? */
#endif
word16 connReset:1; /* has the peer reset */
word16 isClosed:1; /* if we consider conn closed */
word16 closeNotify:1; /* we've received a close notify */
word16 sentNotify:1; /* we've sent a close notify */
word16 shutdownDone:1; /* we've completed a shutdown */
word16 usingCompression:1; /* are we using compression */
word16 haveRSA:1; /* RSA available */
word16 haveECC:1; /* ECC available */
word16 haveDH:1; /* server DH params set by user */
word16 haveECDSAsig:1; /* server ECDSA signed cert */
word16 haveStaticECC:1; /* static server ECC private key */
word16 haveFalconSig:1; /* server Falcon signed cert */
word16 haveDilithiumSig:1; /* server Dilithium signed cert */
word16 havePeerCert:1; /* do we have peer's cert */
word16 havePeerVerify:1; /* and peer's cert verify */
word16 usingPSK_cipher:1; /* are using psk as cipher */
word16 usingAnon_cipher:1; /* are we using an anon cipher */
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
word16 noPskDheKe:1; /* Don't use (EC)DHE with PSK */
#ifdef HAVE_SUPPORTED_CURVES
word16 onlyPskDheKe:1; /* Only use (EC)DHE with PSK */
#endif
#endif
word16 partialWrite:1; /* only one msg per write call */
word16 quietShutdown:1; /* don't send close notify */
word16 certOnly:1; /* stop once we get cert */
word16 groupMessages:1; /* group handshake messages */
word16 saveArrays:1; /* save array Memory for user get keys
or psk */
word16 weOwnRng:1; /* will be true unless CTX owns */
word16 dontFreeDigest:1; /* when true, we used SetDigest */
word16 haveEMS:1; /* using extended master secret */
#ifdef HAVE_POLY1305
word16 oldPoly:1; /* set when to use old rfc way of poly*/
#endif
word16 haveAnon:1; /* User wants to allow Anon suites */
#ifdef HAVE_SESSION_TICKET
word16 createTicket:1; /* Server to create new Ticket */
word16 useTicket:1; /* Use Ticket not session cache */
word16 rejectTicket:1; /* Callback rejected ticket */
word16 noTicketTls12:1; /* TLS 1.2 server won't send ticket */
#ifdef WOLFSSL_TLS13
word16 noTicketTls13:1; /* Server won't create new Ticket */
#endif
#endif
#ifdef WOLFSSL_DTLS
#ifdef HAVE_SECURE_RENEGOTIATION
word16 dtlsDoSCR:1; /* Enough packets were dropped. We
* need to re-key. */
#endif
word16 dtlsUseNonblock:1; /* are we using nonblocking socket */
word16 dtlsHsRetain:1; /* DTLS retaining HS data */
word16 haveMcast:1; /* using multicast ? */
#ifdef WOLFSSL_SCTP
word16 dtlsSctp:1; /* DTLS-over-SCTP mode */
#endif
#endif /* WOLFSSL_DTLS */
#if defined(HAVE_TLS_EXTENSIONS) && defined(HAVE_SUPPORTED_CURVES)
word16 userCurves:1; /* indicates user called wolfSSL_UseSupportedCurve */
#endif
word16 keepResources:1; /* Keep resources after handshake */
word16 useClientOrder:1; /* Use client's cipher order */
word16 mutualAuth:1; /* Mutual authentication is required */
word16 peerAuthGood:1; /* Any required peer auth done */
#if defined(WOLFSSL_TLS13) && (defined(HAVE_SESSION_TICKET) || !defined(NO_PSK))
word16 pskNegotiated:1; /* Session Ticket/PSK negotiated. */
#endif
#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
word16 postHandshakeAuth:1;/* Client send post_handshake_auth
* extension */
word16 verifyPostHandshake:1; /* Only send client cert req post
* handshake, not also during */
#endif
#if defined(WOLFSSL_TLS13) && !defined(NO_WOLFSSL_SERVER)
word16 sendCookie:1; /* Server creates a Cookie in HRR */
#endif
#ifdef WOLFSSL_ALT_CERT_CHAINS
word16 usingAltCertChain:1;/* Alternate cert chain was used */
#endif
#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_TLS13_MIDDLEBOX_COMPAT)
word16 sentChangeCipher:1; /* Change Cipher Spec sent */
#endif
#if !defined(WOLFSSL_NO_CLIENT_AUTH) && \
((defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3)) || \
(defined(HAVE_ED25519) && !defined(NO_ED25519_CLIENT_AUTH)) || \
(defined(HAVE_ED448) && !defined(NO_ED448_CLIENT_AUTH)))
word16 cacheMessages:1; /* Cache messages for sign/verify */
#endif
#ifndef NO_DH
#if !defined(WOLFSSL_OLD_PRIME_CHECK) && \
!defined(HAVE_FIPS) && !defined(HAVE_SELFTEST)
word16 dhDoKeyTest:1; /* Need to do the DH Key prime test */
word16 dhKeyTested:1; /* Set when key has been tested. */
#endif
#endif
#ifdef HAVE_ENCRYPT_THEN_MAC
word16 disallowEncThenMac:1; /* Don't do Encrypt-Then-MAC */
word16 encThenMac:1; /* Doing Encrypt-Then-MAC */
word16 startedETMRead:1; /* Doing Encrypt-Then-MAC read */
word16 startedETMWrite:1; /* Doing Encrypt-Then-MAC write */
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
word16 buildArgsSet:1; /* buildArgs are set and need to
* be free'd */
#endif
word16 buildingMsg:1; /* If set then we need to re-enter the
* handshake logic. */
#ifdef WOLFSSL_DTLS13
word16 dtls13SendMoreAcks:1; /* Send more acks during the
* handshake process */
#ifdef WOLFSSL_DTLS13_NO_HRR_ON_RESUME
word16 dtls13NoHrrOnResume:1;
#endif
#ifdef WOLFSSL_DTLS_CH_FRAG
word16 dtls13ChFrag:1;
#endif
#endif
#ifdef WOLFSSL_TLS13
word16 tls13MiddleBoxCompat:1; /* TLSv1.3 middlebox compatibility */
#endif
#ifdef WOLFSSL_DTLS_CID
word16 useDtlsCID:1;
#endif /* WOLFSSL_DTLS_CID */
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
word16 useEch:1;
#endif
#ifdef WOLFSSL_SEND_HRR_COOKIE
word16 cookieGood:1;
#endif
#if defined(HAVE_DANE)
word16 useDANE:1;
#endif /* HAVE_DANE */
#if defined(HAVE_RPK)
RpkConfig rpkConfig;
RpkState rpkState;
#endif /* HAVE_RPK */
/* need full byte values for this section */
byte processReply; /* nonblocking resume */
byte cipherSuite0; /* first byte, normally 0 */
byte cipherSuite; /* second byte, actual suite */
byte hashAlgo; /* selected hash algorithm */
byte sigAlgo; /* selected sig algorithm */
byte serverState;
byte clientState;
byte handShakeState;
byte handShakeDone; /* at least one handshake complete */
byte minDowngrade; /* minimum downgrade version */
byte connectState; /* nonblocking resume */
byte acceptState; /* nonblocking resume */
byte asyncState; /* sub-state for enum asyncState */
byte buildMsgState; /* sub-state for enum buildMsgState */
byte alertCount; /* detect warning dos attempt */
#ifdef WOLFSSL_MULTICAST
word16 mcastID; /* Multicast group ID */
#endif
#ifndef NO_DH
word16 minDhKeySz; /* minimum DH key size */
word16 maxDhKeySz; /* minimum DH key size */
word16 dhKeySz; /* actual DH key size */
#endif
#ifndef NO_RSA
short minRsaKeySz; /* minimum RSA key size */
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448)
short minEccKeySz; /* minimum ECC key size */
#endif
#if defined(HAVE_PQC)
short minFalconKeySz; /* minimum Falcon key size */
short minDilithiumKeySz;/* minimum Dilithium key size */
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
byte verifyDepth; /* maximum verification depth */
#endif
#ifdef WOLFSSL_EARLY_DATA
word16 pskIdIndex;
word32 maxEarlyDataSz;
#endif
#ifdef WOLFSSL_TLS13
byte oldMinor; /* client preferred version < TLS 1.3 */
#endif
};
typedef struct Arrays {
byte* pendingMsg; /* defrag buffer */
byte* preMasterSecret;
word32 preMasterSz; /* differs for DH, actual size */
word32 pendingMsgSz; /* defrag buffer size */
word32 pendingMsgOffset; /* current offset into defrag buffer */
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
word32 psk_keySz; /* actual size */
char client_identity[MAX_PSK_ID_LEN + NULL_TERM_LEN];
char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN];
byte psk_key[MAX_PSK_KEY_LEN];
#endif
byte clientRandom[RAN_LEN];
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
byte clientRandomInner[RAN_LEN];
#endif
byte serverRandom[RAN_LEN];
byte sessionID[ID_LEN];
byte sessionIDSz;
#ifdef WOLFSSL_TLS13
byte secret[SECRET_LEN];
#endif
#ifdef HAVE_KEYING_MATERIAL
byte exporterSecret[WC_MAX_DIGEST_SIZE];
#endif
byte masterSecret[SECRET_LEN];
#if defined(WOLFSSL_RENESAS_TSIP_TLS) && \
!defined(NO_WOLFSSL_RENESAS_TSIP_TLS_SESSION)
byte tsip_masterSecret[TSIP_TLS_MASTERSECRET_SIZE];
#endif
#if defined(WOLFSSL_RENESAS_FSPSM_TLS)
byte fspsm_masterSecret[FSPSM_TLS_MASTERSECRET_SIZE];
#endif
#ifdef WOLFSSL_DTLS
byte cookie[MAX_COOKIE_LEN];
byte cookieSz;
#endif
byte pendingMsgType; /* defrag buffer message type */
} Arrays;
#ifndef ASN_NAME_MAX
#ifndef NO_ASN
/* use value from asn.h */
#define ASN_NAME_MAX WC_ASN_NAME_MAX
#else
/* calculate for WOLFSSL_X509 */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(WOLFSSL_CERT_EXT)
#define ASN_NAME_MAX 330
#else
#define ASN_NAME_MAX 256
#endif
#endif
#endif
#ifndef MAX_DATE_SZ
#define MAX_DATE_SZ 32
#endif
typedef enum {
STACK_TYPE_X509 = 0,
STACK_TYPE_GEN_NAME = 1,
STACK_TYPE_BIO = 2,
STACK_TYPE_OBJ = 3,
STACK_TYPE_STRING = 4,
STACK_TYPE_CIPHER = 5,
STACK_TYPE_ACCESS_DESCRIPTION = 6,
STACK_TYPE_X509_EXT = 7,
STACK_TYPE_NULL = 8,
STACK_TYPE_X509_NAME = 9,
STACK_TYPE_CONF_VALUE = 10,
STACK_TYPE_X509_INFO = 11,
STACK_TYPE_BY_DIR_entry = 12,
STACK_TYPE_BY_DIR_hash = 13,
STACK_TYPE_X509_OBJ = 14,
STACK_TYPE_DIST_POINT = 15,
STACK_TYPE_X509_CRL = 16,
STACK_TYPE_X509_NAME_ENTRY = 17,
STACK_TYPE_X509_REQ_ATTR = 18,
} WOLF_STACK_TYPE;
struct WOLFSSL_STACK {
unsigned long num; /* number of nodes in stack
* (safety measure for freeing and shortcut for count) */
#if defined(OPENSSL_ALL)
wolf_sk_hash_cb hash_fn;
unsigned long hash;
#endif
union {
WOLFSSL_X509* x509;
WOLFSSL_X509_NAME* name;
WOLFSSL_X509_NAME_ENTRY* name_entry;
WOLFSSL_X509_INFO* info;
WOLFSSL_BIO* bio;
WOLFSSL_ASN1_OBJECT* obj;
WOLFSSL_CIPHER cipher;
WOLFSSL_ACCESS_DESCRIPTION* access;
WOLFSSL_X509_EXTENSION* ext;
#ifdef OPENSSL_EXTRA
WOLFSSL_CONF_VALUE* conf;
#endif
void* generic;
char* string;
WOLFSSL_GENERAL_NAME* gn;
WOLFSSL_BY_DIR_entry* dir_entry;
WOLFSSL_BY_DIR_HASH* dir_hash;
WOLFSSL_X509_OBJECT* x509_obj;
WOLFSSL_DIST_POINT* dp;
WOLFSSL_X509_CRL* crl;
} data;
void* heap; /* memory heap hint */
WOLFSSL_STACK* next;
WOLF_STACK_TYPE type; /* Identifies type of stack. */
};
struct WOLFSSL_X509_NAME {
char *name;
int dynamicName;
int sz;
char staticName[ASN_NAME_MAX];
#if (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)) && \
!defined(NO_ASN)
DecodedName fullName;
int entrySz; /* number of entries */
WOLFSSL_X509_NAME_ENTRY entry[MAX_NAME_ENTRIES]; /* all entries i.e. CN */
WOLFSSL_X509* x509; /* x509 that struct belongs to */
#endif /* OPENSSL_EXTRA */
#ifndef WOLFSSL_NO_CA_NAMES
byte raw[ASN_NAME_MAX];
int rawLen;
WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* entries;
#endif
void* heap;
};
#ifndef EXTERNAL_SERIAL_SIZE
#define EXTERNAL_SERIAL_SIZE 32
#endif
#ifdef NO_ASN
typedef struct DNS_entry DNS_entry;
#endif
struct WOLFSSL_X509 {
int version;
int serialSz;
#ifdef WOLFSSL_SEP
int deviceTypeSz;
int hwTypeSz;
byte deviceType[EXTERNAL_SERIAL_SIZE];
byte hwType[EXTERNAL_SERIAL_SIZE];
int hwSerialNumSz;
byte hwSerialNum[EXTERNAL_SERIAL_SIZE];
#endif /* WOLFSSL_SEP */
#if (defined(WOLFSSL_SEP) || defined(WOLFSSL_QT) || defined(OPENSSL_ALL) || \
defined (OPENSSL_EXTRA)) && \
(defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
byte certPolicySet;
byte certPolicyCrit;
#endif /* (WOLFSSL_SEP || WOLFSSL_QT) && (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL) */
#if defined(WOLFSSL_QT) || defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)
WOLFSSL_STACK* ext_sk; /* Store X509_EXTENSIONS from wolfSSL_X509_get_ext */
WOLFSSL_STACK* ext_sk_full; /* Store X509_EXTENSIONS from wolfSSL_X509_get0_extensions */
WOLFSSL_STACK* ext_d2i;/* Store d2i extensions from wolfSSL_X509_get_ext_d2i */
#endif /* WOLFSSL_QT || OPENSSL_ALL */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
WOLFSSL_ASN1_INTEGER* serialNumber; /* Stores SN from wolfSSL_X509_get_serialNumber */
#endif
WOLFSSL_ASN1_TIME notBefore;
WOLFSSL_ASN1_TIME notAfter;
buffer sig;
int sigOID;
DNS_entry* altNames; /* alt names list */
buffer pubKey;
int pubKeyOID;
DNS_entry* altNamesNext; /* hint for retrieval */
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) || \
defined(HAVE_PQC)
word32 pkCurveOID;
#endif /* HAVE_ECC || HAVE_PQC */
#ifndef NO_CERTS
DerBuffer* derCert; /* may need */
#endif
void* heap; /* heap hint */
byte dynamicMemory; /* dynamic memory flag */
byte isCa:1;
#ifdef WOLFSSL_CERT_EXT
char certPolicies[MAX_CERTPOL_NB][MAX_CERTPOL_SZ];
int certPoliciesNb;
#endif /* WOLFSSL_CERT_EXT */
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA)
wolfSSL_Ref ref;
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
#ifdef HAVE_EX_DATA
WOLFSSL_CRYPTO_EX_DATA ex_data;
#endif
byte* authKeyId; /* Points into authKeyIdSrc */
byte* authKeyIdSrc;
byte* subjKeyId;
byte* extKeyUsageSrc;
#ifdef OPENSSL_ALL
byte* subjAltNameSrc;
#endif
byte* rawCRLInfo;
byte* CRLInfo;
byte* authInfo;
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || defined(WOLFSSL_QT)
byte* authInfoCaIssuer;
int authInfoCaIssuerSz;
#endif
word32 pathLength;
word16 keyUsage;
int rawCRLInfoSz;
int CRLInfoSz;
int authInfoSz;
word32 authKeyIdSz;
word32 authKeyIdSrcSz;
word32 subjKeyIdSz;
byte extKeyUsage;
word32 extKeyUsageSz;
word32 extKeyUsageCount;
#ifndef IGNORE_NETSCAPE_CERT_TYPE
byte nsCertType;
#endif
#ifdef OPENSSL_ALL
word32 subjAltNameSz;
#endif
byte CRLdistSet:1;
byte CRLdistCrit:1;
byte authInfoSet:1;
byte authInfoCrit:1;
byte keyUsageSet:1;
byte keyUsageCrit:1;
byte extKeyUsageCrit:1;
byte subjKeyIdSet:1;
byte subjKeyIdCrit:1;
byte basicConstSet:1;
byte basicConstCrit:1;
byte basicConstPlSet:1;
byte subjAltNameSet:1;
byte subjAltNameCrit:1;
byte authKeyIdSet:1;
byte authKeyIdCrit:1;
byte issuerSet:1;
#ifdef WOLFSSL_CUSTOM_OID
CertExtension custom_exts[NUM_CUSTOM_EXT];
int customExtCount;
#endif /* WOLFSSL_CUSTOM_OID */
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#ifdef WOLFSSL_CERT_REQ
byte isCSR:1;
#endif
byte serial[EXTERNAL_SERIAL_SIZE];
char subjectCN[ASN_NAME_MAX]; /* common name short cut */
#if defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_GEN)
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)
/* stack of CSR attributes */
WOLF_STACK_OF(WOLFSSL_X509_ATRIBUTE)* reqAttributes;
#endif
#if defined(WOLFSSL_CERT_REQ)
char challengePw[CTC_NAME_SIZE]; /* for REQ certs */
char contentType[CTC_NAME_SIZE];
#endif
#endif /* WOLFSSL_CERT_REQ || WOLFSSL_CERT_GEN */
WOLFSSL_X509_NAME issuer;
WOLFSSL_X509_NAME subject;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_WPAS)
WOLFSSL_X509_ALGOR algor;
WOLFSSL_X509_PUBKEY key;
#endif
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) || \
defined(OPENSSL_ALL) || defined(KEEP_OUR_CERT) || \
defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
byte notBeforeData[CTC_DATE_SIZE];
byte notAfterData[CTC_DATE_SIZE];
#endif
};
/* record layer header for PlainText, Compressed, and CipherText */
typedef struct RecordLayerHeader {
byte type;
byte pvMajor;
byte pvMinor;
byte length[2];
} RecordLayerHeader;
/* record layer header for DTLS PlainText, Compressed, and CipherText */
typedef struct DtlsRecordLayerHeader {
byte type;
byte pvMajor;
byte pvMinor;
byte sequence_number[8]; /* per record */
byte length[2];
} DtlsRecordLayerHeader;
typedef struct DtlsFragBucket {
/* m stands for meta */
union {
struct {
struct DtlsFragBucket* next;
word32 offset;
word32 sz;
} m;
/* Make sure we have at least DTLS_HANDSHAKE_HEADER_SZ bytes before the
* buf so that we can reconstruct the header in the allocated
* DtlsFragBucket buffer. */
byte padding[DTLS_HANDSHAKE_HEADER_SZ];
} m;
/* Ignore "nonstandard extension used : zero-sized array in struct/union"
* MSVC warning */
#ifdef _MSC_VER
#pragma warning(disable: 4200)
#endif
byte buf[];
} DtlsFragBucket;
typedef struct DtlsMsg {
struct DtlsMsg* next;
byte* raw;
byte* fullMsg; /* for TX fullMsg == raw. For RX this points to
* the start of the message after headers. */
DtlsFragBucket* fragBucketList;
word32 bytesReceived;
word16 epoch; /* Epoch that this message belongs to */
word32 seq; /* Handshake sequence number */
word32 sz; /* Length of whole message */
byte type;
byte fragBucketListCount;
byte ready:1;
byte encrypted:1;
} DtlsMsg;
#ifdef HAVE_NETX
/* NETX I/O Callback default */
typedef struct NetX_Ctx {
NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */
NX_PACKET* nxPacket; /* incoming packet handle for short reads */
ULONG nxOffset; /* offset already read from nxPacket */
ULONG nxWait; /* wait option flag */
} NetX_Ctx;
#endif
/* Handshake messages received from peer (plus change cipher */
typedef struct MsgsReceived {
word16 got_hello_request:1;
word16 got_client_hello:2;
word16 got_server_hello:1;
word16 got_hello_verify_request:1;
word16 got_session_ticket:1;
word16 got_end_of_early_data:1;
word16 got_hello_retry_request:1;
word16 got_encrypted_extensions:1;
word16 got_certificate:1;
word16 got_certificate_status:1;
word16 got_server_key_exchange:1;
word16 got_certificate_request:1;
word16 got_server_hello_done:1;
word16 got_certificate_verify:1;
word16 got_client_key_exchange:1;
word16 got_finished:1;
word16 got_key_update:1;
word16 got_change_cipher:1;
} MsgsReceived;
/* Handshake hashes */
typedef struct HS_Hashes {
Hashes verifyHashes;
Hashes certHashes; /* for cert verify */
#ifndef NO_SHA
wc_Sha hashSha; /* sha hash of handshake msgs */
#endif
#if !defined(NO_MD5) && !defined(NO_OLD_TLS)
wc_Md5 hashMd5; /* md5 hash of handshake msgs */
#endif
#ifndef NO_SHA256
wc_Sha256 hashSha256; /* sha256 hash of handshake msgs */
#endif
#ifdef WOLFSSL_SHA384
wc_Sha384 hashSha384; /* sha384 hash of handshake msgs */
#endif
#ifdef WOLFSSL_SHA512
wc_Sha512 hashSha512; /* sha512 hash of handshake msgs */
#endif
#ifdef WOLFSSL_SM3
wc_Sm3 hashSm3; /* sm3 hash of handshake msgs */
#endif
#if (defined(HAVE_ED25519) || defined(HAVE_ED448) || \
(defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3))) && \
!defined(WOLFSSL_NO_CLIENT_AUTH)
byte* messages; /* handshake messages */
int length; /* length of handshake messages' data */
int prevLen; /* length of messages but last */
#endif
} HS_Hashes;
#ifndef WOLFSSL_NO_TLS12
/* Persistable BuildMessage arguments */
typedef struct BuildMsgArgs {
word32 digestSz;
word32 sz;
word32 pad;
word32 idx;
word32 headerSz;
word16 size;
word32 ivSz; /* TLSv1.1 IV */
byte* iv;
ALIGN16 byte staticIvBuffer[MAX_IV_SZ];
} BuildMsgArgs;
#endif
#ifdef WOLFSSL_ASYNC_IO
#define MAX_ASYNC_ARGS 18
typedef void (*FreeArgsCb)(struct WOLFSSL* ssl, void* pArgs);
struct WOLFSSL_ASYNC {
#if defined(WOLFSSL_ASYNC_CRYPT) && !defined(WOLFSSL_NO_TLS12)
BuildMsgArgs buildArgs; /* holder for current BuildMessage args */
#endif
FreeArgsCb freeArgs; /* function pointer to cleanup args */
word32 args[MAX_ASYNC_ARGS]; /* holder for current args */
};
#endif
#ifdef HAVE_WRITE_DUP
#define WRITE_DUP_SIDE 1
#define READ_DUP_SIDE 2
typedef struct WriteDup {
wolfSSL_Mutex dupMutex; /* reference count mutex */
int dupCount; /* reference count */
int dupErr; /* under dupMutex, pass to other side */
} WriteDup;
WOLFSSL_LOCAL void FreeWriteDup(WOLFSSL* ssl);
WOLFSSL_LOCAL int NotifyWriteSide(WOLFSSL* ssl, int err);
#endif /* HAVE_WRITE_DUP */
#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
typedef struct CertReqCtx CertReqCtx;
struct CertReqCtx {
CertReqCtx* next;
byte len;
byte ctx;
};
#endif
#ifdef WOLFSSL_EARLY_DATA
typedef enum EarlyDataState {
no_early_data,
early_data_ext,
expecting_early_data,
process_early_data,
done_early_data
} EarlyDataState;
#endif
#ifdef WOLFSSL_DTLS13
/* size of the mask used to encrypt/decrypt Record Number */
#define DTLS13_RN_MASK_SIZE 16
typedef struct Dtls13UnifiedHdrInfo {
word16 recordLength;
byte seqLo;
byte seqHi;
byte seqHiPresent:1;
byte epochBits;
} Dtls13UnifiedHdrInfo;
enum {
DTLS13_EPOCH_EARLYDATA = 1,
DTLS13_EPOCH_HANDSHAKE = 2,
DTLS13_EPOCH_TRAFFIC0 = 3
};
typedef struct Dtls13Epoch {
w64wrapper epochNumber;
w64wrapper nextSeqNumber;
w64wrapper nextPeerSeqNumber;
#ifndef WOLFSSL_TLS13_IGNORE_AEAD_LIMITS
w64wrapper dropCount; /* Amount of records that failed decryption */
#endif
word32 window[WOLFSSL_DTLS_WINDOW_WORDS];
/* key material for the epoch */
byte client_write_key[MAX_SYM_KEY_SIZE];
byte server_write_key[MAX_SYM_KEY_SIZE];
byte client_write_IV[MAX_WRITE_IV_SZ];
byte server_write_IV[MAX_WRITE_IV_SZ];
byte aead_exp_IV[AEAD_MAX_EXP_SZ];
byte aead_enc_imp_IV[AEAD_MAX_IMP_SZ];
byte aead_dec_imp_IV[AEAD_MAX_IMP_SZ];
byte client_sn_key[MAX_SYM_KEY_SIZE];
byte server_sn_key[MAX_SYM_KEY_SIZE];
byte isValid;
byte side;
} Dtls13Epoch;
#ifndef DTLS13_EPOCH_SIZE
#define DTLS13_EPOCH_SIZE 4
#endif
#ifndef DTLS13_RETRANS_RN_SIZE
#define DTLS13_RETRANS_RN_SIZE 3
#endif
enum Dtls13RtxFsmState {
DTLS13_RTX_FSM_PREPARING = 0,
DTLS13_RTX_FSM_SENDING,
DTLS13_RTX_FSM_WAITING,
DTLS13_RTX_FSM_FINISHED
};
typedef struct Dtls13RtxRecord {
struct Dtls13RtxRecord *next;
word16 length;
byte *data;
w64wrapper epoch;
w64wrapper seq[DTLS13_RETRANS_RN_SIZE];
byte rnIdx;
byte handshakeType;
} Dtls13RtxRecord;
typedef struct Dtls13RecordNumber {
struct Dtls13RecordNumber *next;
w64wrapper epoch;
w64wrapper seq;
} Dtls13RecordNumber;
typedef struct Dtls13Rtx {
enum Dtls13RtxFsmState state;
Dtls13RtxRecord *rtxRecords;
Dtls13RtxRecord **rtxRecordTailPtr;
Dtls13RecordNumber *seenRecords;
word32 lastRtx;
byte triggeredRtxs;
byte sendAcks:1;
byte retransmit:1;
} Dtls13Rtx;
#endif /* WOLFSSL_DTLS13 */
#ifdef WOLFSSL_DTLS_CID
typedef struct CIDInfo CIDInfo;
#endif /* WOLFSSL_DTLS_CID */
/* The idea is to reuse the context suites object whenever possible to save
* space. */
#define WOLFSSL_SUITES(ssl) \
((const Suites*) ((ssl)->suites != NULL ? \
(ssl)->suites : \
(ssl)->ctx->suites))
/* wolfSSL ssl type */
struct WOLFSSL {
WOLFSSL_CTX* ctx;
#if defined(WOLFSSL_HAPROXY)
WOLFSSL_CTX* initial_ctx; /* preserve session key materials */
#endif
Suites* suites; /* Only need during handshake. Can be NULL when
* re-using the context's object. When WOLFSSL
* object needs separate instance of suites use
* AllocateSuites(). */
#ifdef OPENSSL_EXTRA
const Suites* clSuites;
#endif
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
WOLF_STACK_OF(WOLFSSL_CIPHER)* suitesStack; /* stack of available cipher
* suites */
#endif
Arrays* arrays;
#ifdef WOLFSSL_TLS13
byte clientSecret[SECRET_LEN];
byte serverSecret[SECRET_LEN];
#endif
HS_Hashes* hsHashes;
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
HS_Hashes* hsHashesEch;
#endif
void* IOCB_ReadCtx;
void* IOCB_WriteCtx;
WC_RNG* rng;
void* verifyCbCtx; /* cert verify callback user ctx*/
VerifyCallback verifyCallback; /* cert verification callback */
void* heap; /* for user overrides */
#ifdef HAVE_WRITE_DUP
WriteDup* dupWrite; /* valid pointer indicates ON */
/* side that decrements dupCount to zero frees overall structure */
byte dupSide; /* write side or read side */
#endif
#ifdef OPENSSL_EXTRA
byte cbioFlag; /* WOLFSSL_CBIO_RECV/SEND:
* CBIORecv/Send is set */
#endif
#ifdef WOLFSSL_WOLFSENTRY_HOOKS
NetworkFilterCallback_t AcceptFilter;
void *AcceptFilter_arg;
NetworkFilterCallback_t ConnectFilter;
void *ConnectFilter_arg;
#endif /* WOLFSSL_WOLFSENTRY_HOOKS */
CallbackIORecv CBIORecv;
CallbackIOSend CBIOSend;
#ifdef WOLFSSL_STATIC_MEMORY
WOLFSSL_HEAP_HINT heap_hint;
#endif
#if defined(WOLFSSL_DTLS) && !defined(NO_WOLFSSL_SERVER)
ClientHelloGoodCb chGoodCb; /* notify user we parsed a verified
* ClientHello that passed basic tests */
void* chGoodCtx; /* user ClientHello cb context */
#endif
#ifndef NO_HANDSHAKE_DONE_CB
HandShakeDoneCb hsDoneCb; /* notify user handshake done */
void* hsDoneCtx; /* user handshake cb context */
#endif
#ifdef WOLFSSL_ASYNC_IO
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV* asyncDev;
#endif
/* Message building context should be stored here for functions that expect
* to encounter encryption blocking or fragment the message. */
struct WOLFSSL_ASYNC* async;
#endif
void* hsKey; /* Handshake key (RsaKey or ecc_key)
* allocated from heap */
word32 hsType; /* Type of Handshake key (hsKey) */
WOLFSSL_CIPHER cipher;
#ifndef WOLFSSL_AEAD_ONLY
hmacfp hmac;
#endif
Ciphers encrypt;
Ciphers decrypt;
Buffers buffers;
WOLFSSL_SESSION* session;
#ifndef NO_CLIENT_CACHE
ClientSession* clientSession;
#endif
WOLFSSL_ALERT_HISTORY alert_history;
WOLFSSL_ALERT pendingAlert;
int error;
int rfd; /* read file descriptor */
int wfd; /* write file descriptor */
int rflags; /* user read flags */
int wflags; /* user write flags */
word32 timeout; /* session timeout */
word32 fragOffset; /* fragment offset */
word16 curSize;
word32 curStartIdx;
byte verifyDepth;
RecordLayerHeader curRL;
MsgsReceived msgsReceived; /* peer messages received */
ProtocolVersion version; /* negotiated version */
ProtocolVersion chVersion; /* client hello version */
CipherSpecs specs;
Keys keys;
Options options;
#ifdef WOLFSSL_SESSION_ID_CTX
byte sessionCtx[ID_LEN]; /* app session context ID */
byte sessionCtxSz; /* size of sessionCtx stored */
#endif
#ifdef OPENSSL_EXTRA
CallbackInfoState* CBIS; /* used to get info about SSL state */
int cbmode; /* read or write on info callback */
int cbtype; /* event type in info callback */
WOLFSSL_BIO* biord; /* socket bio read to free/close */
WOLFSSL_BIO* biowr; /* socket bio write to free/close */
WOLFSSL_X509_VERIFY_PARAM* param; /* verification parameters*/
#endif
#if defined(OPENSSL_EXTRA) || defined(HAVE_CURL)
word32 disabledCurves; /* curves disabled by user */
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(OPENSSL_ALL)
unsigned long peerVerifyRet;
#endif
#ifdef OPENSSL_EXTRA
byte readAhead;
#ifdef HAVE_PK_CALLBACKS
void* loggingCtx; /* logging callback argument */
#endif
#endif /* OPENSSL_EXTRA */
#ifndef NO_RSA
RsaKey* peerRsaKey;
#if defined(WOLFSSL_RENESAS_TSIP_TLS) || defined(WOLFSSL_RENESAS_FSPSM_TLS)
void* RenesasUserCtx;
byte* peerSceTsipEncRsaKeyIndex;
#endif
byte peerRsaKeyPresent;
#endif
#if defined(WOLFSSL_TLS13) || defined(HAVE_FFDHE)
word16 namedGroup;
#endif
#ifdef WOLFSSL_TLS13
word16 group[WOLFSSL_MAX_GROUP_COUNT];
byte numGroups;
#endif
word16 pssAlgo;
#ifdef WOLFSSL_TLS13
word16 certHashSigAlgoSz; /* SigAlgoCert ext length in bytes */
byte certHashSigAlgo[WOLFSSL_MAX_SIGALGO]; /* cert sig/algo to
* offer */
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448)
int eccVerifyRes;
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_CURVE25519) || \
defined(HAVE_ED448) || defined(HAVE_CURVE448)
word32 ecdhCurveOID; /* curve Ecc_Sum */
ecc_key* eccTempKey; /* private ECDHE key */
byte eccTempKeyPresent; /* also holds type */
byte peerEccKeyPresent;
#endif
#ifdef HAVE_ECC
ecc_key* peerEccKey; /* peer's ECDHE key */
ecc_key* peerEccDsaKey; /* peer's ECDSA key */
word16 eccTempKeySz; /* in octets 20 - 66 */
byte peerEccDsaKeyPresent;
#endif
#if defined(HAVE_ECC) || defined(HAVE_ED25519) || \
defined(HAVE_CURVE448) || defined(HAVE_ED448)
word32 pkCurveOID; /* curve Ecc_Sum */
#endif
#ifdef HAVE_ED25519
ed25519_key* peerEd25519Key;
byte peerEd25519KeyPresent;
#endif
#ifdef HAVE_CURVE25519
curve25519_key* peerX25519Key;
byte peerX25519KeyPresent;
#endif
#ifdef HAVE_ED448
ed448_key* peerEd448Key;
byte peerEd448KeyPresent;
#endif
#ifdef HAVE_CURVE448
curve448_key* peerX448Key;
byte peerX448KeyPresent;
#endif
#ifdef HAVE_PQC
falcon_key* peerFalconKey;
byte peerFalconKeyPresent;
dilithium_key* peerDilithiumKey;
byte peerDilithiumKeyPresent;
#endif
#ifdef HAVE_LIBZ
z_stream c_stream; /* compression stream */
z_stream d_stream; /* decompression stream */
byte didStreamInit; /* for stream init and end */
#endif
#ifdef WOLFSSL_DTLS
int dtls_timeout_init; /* starting timeout value */
int dtls_timeout_max; /* maximum timeout value */
int dtls_timeout; /* current timeout value, changes */
#ifndef NO_ASN_TIME
word32 dtls_start_timeout;
#endif /* !NO_ASN_TIME */
word32 dtls_tx_msg_list_sz;
word32 dtls_rx_msg_list_sz;
DtlsMsg* dtls_tx_msg_list;
DtlsMsg* dtls_tx_msg;
DtlsMsg* dtls_rx_msg_list;
void* IOCB_CookieCtx; /* gen cookie ctx */
#ifdef WOLFSSL_SESSION_EXPORT
wc_dtls_export dtls_export; /* export function for session */
#endif
#if defined(WOLFSSL_SCTP) || defined(WOLFSSL_DTLS_MTU)
word16 dtlsMtuSz;
#endif /* WOLFSSL_SCTP || WOLFSSL_DTLS_MTU */
#ifdef WOLFSSL_MULTICAST
void* mcastHwCbCtx; /* Multicast highwater callback ctx */
#endif /* WOLFSSL_MULTICAST */
#ifdef WOLFSSL_DTLS_DROP_STATS
word32 macDropCount;
word32 replayDropCount;
#endif /* WOLFSSL_DTLS_DROP_STATS */
#ifdef WOLFSSL_SRTP
word16 dtlsSrtpProfiles; /* DTLS-with-SRTP profiles list
* (selected profiles - up to 16) */
word16 dtlsSrtpId; /* DTLS-with-SRTP profile ID selected */
#endif
#ifdef WOLFSSL_DTLS13
RecordNumberCiphers dtlsRecordNumberEncrypt;
RecordNumberCiphers dtlsRecordNumberDecrypt;
Dtls13Epoch dtls13Epochs[DTLS13_EPOCH_SIZE];
Dtls13Epoch *dtls13EncryptEpoch;
Dtls13Epoch *dtls13DecryptEpoch;
w64wrapper dtls13Epoch;
w64wrapper dtls13PeerEpoch;
w64wrapper dtls13InvalidateBefore;
byte dtls13CurRL[DTLS_RECVD_RL_HEADER_MAX_SZ];
word16 dtls13CurRlLength;
/* used to store the message if it needs to be fragmented */
buffer dtls13FragmentsBuffer;
byte dtls13SendingFragments:1;
byte dtls13SendingAckOrRtx:1;
byte dtls13FastTimeout:1;
byte dtls13WaitKeyUpdateAck:1;
byte dtls13DoKeyUpdate:1;
word32 dtls13MessageLength;
word32 dtls13FragOffset;
byte dtls13FragHandshakeType;
Dtls13Rtx dtls13Rtx;
byte *dtls13ClientHello;
word16 dtls13ClientHelloSz;
#endif /* WOLFSSL_DTLS13 */
#ifdef WOLFSSL_DTLS_CID
CIDInfo *dtlsCidInfo;
#endif /* WOLFSSL_DTLS_CID */
#endif /* WOLFSSL_DTLS */
#ifdef WOLFSSL_CALLBACKS
TimeoutInfo timeoutInfo; /* info saved during handshake */
HandShakeInfo handShakeInfo; /* info saved during handshake */
#endif
#ifdef OPENSSL_EXTRA
SSL_Msg_Cb protoMsgCb; /* inspect protocol message callback */
void* protoMsgCtx; /* user set context with msg callback */
#endif
#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA)
byte hsInfoOn; /* track handshake info */
byte toInfoOn; /* track timeout info */
#endif
#ifdef HAVE_FUZZER
CallbackFuzzer fuzzerCb; /* for testing with using fuzzer */
void* fuzzerCtx; /* user defined pointer */
#endif
#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
CertReqCtx* certReqCtx;
#endif
#ifdef WOLFSSL_LOCAL_X509_STORE
WOLFSSL_X509_STORE* x509_store_pt; /* take ownership of external store */
#endif
#ifdef KEEP_PEER_CERT
/* TODO put this on the heap so we can properly use the
* reference counter and not have to duplicate it. */
WOLFSSL_X509 peerCert; /* X509 peer cert */
#endif
#ifdef KEEP_OUR_CERT
WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert.
points to ctx if not owned (owned
flag found in buffers.weOwnCert) */
#endif
byte keepCert; /* keep certificate after handshake */
#ifdef HAVE_EX_DATA
WOLFSSL_CRYPTO_EX_DATA ex_data; /* external data, for Fortress */
#endif
int devId; /* async device id to use */
#ifdef HAVE_ONE_TIME_AUTH
OneTimeAuth auth;
#endif
#ifdef HAVE_TLS_EXTENSIONS
TLSX* extensions; /* RFC 6066 TLS Extensions data */
#ifdef HAVE_MAX_FRAGMENT
word16 max_fragment;
#endif
#ifdef HAVE_TRUNCATED_HMAC
byte truncated_hmac;
#endif
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
byte status_request;
#endif
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
byte status_request_v2;
#endif
#if defined(HAVE_SECURE_RENEGOTIATION) \
|| defined(HAVE_SERVER_RENEGOTIATION_INFO)
int secure_rene_count; /* how many times */
SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */
#endif /* user turned on */
#ifdef HAVE_ALPN
byte *alpn_peer_requested; /* the ALPN bytes requested by peer, sequence
* of length byte + chars */
word16 alpn_peer_requested_length; /* number of bytes total */
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || \
defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_QUIC)
CallbackALPNSelect alpnSelect;
void* alpnSelectArg;
#endif
#endif /* of accepted protocols */
#if !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET)
CallbackSessionTicket session_ticket_cb;
void* session_ticket_ctx;
byte expect_session_ticket;
#endif
#endif /* HAVE_TLS_EXTENSIONS */
#ifdef HAVE_OCSP
void* ocspIOCtx;
byte ocspProducedDate[MAX_DATE_SZ];
int ocspProducedDateFormat;
#ifdef OPENSSL_EXTRA
byte* ocspResp;
int ocspRespSz;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
char* url;
#endif
#endif
#endif
#ifdef HAVE_NETX
NetX_Ctx nxCtx; /* NetX IO Context */
#endif
#if defined(WOLFSSL_APACHE_MYNEWT) && !defined(WOLFSSL_LWIP)
void* mnCtx; /* mynewt mn_socket IO Context */
#endif /* defined(WOLFSSL_APACHE_MYNEWT) && !defined(WOLFSSL_LWIP) */
#ifdef WOLFSSL_GNRC
struct gnrc_wolfssl_ctx *gnrcCtx; /* Riot-OS GNRC UDP/IP context */
#endif
#ifdef SESSION_INDEX
int sessionIndex; /* Session's location in the cache. */
#endif
#ifdef ATOMIC_USER
void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */
void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */
#ifdef HAVE_ENCRYPT_THEN_MAC
void* EncryptMacCtx; /* Atomic User Encrypt/Mac Callback Ctx */
void* VerifyDecryptCtx; /* Atomic User Verify/Decrypt Callback Ctx */
#endif
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
void* EccKeyGenCtx; /* EccKeyGen Callback Context */
void* EccSignCtx; /* Ecc Sign Callback Context */
void* EccVerifyCtx; /* Ecc Verify Callback Context */
void* EccSharedSecretCtx; /* Ecc Pms Callback Context */
#endif /* HAVE_ECC */
#ifdef HAVE_HKDF
void* HkdfExtractCtx; /* Hkdf extract callback context */
#endif
#ifdef HAVE_ED25519
void* Ed25519SignCtx; /* ED25519 Sign Callback Context */
void* Ed25519VerifyCtx; /* ED25519 Verify Callback Context */
#endif
#ifdef HAVE_CURVE25519
void* X25519KeyGenCtx; /* X25519 KeyGen Callback Context */
void* X25519SharedSecretCtx; /* X25519 Pms Callback Context */
#endif
#ifdef HAVE_ED448
void* Ed448SignCtx; /* ED448 Sign Callback Context */
void* Ed448VerifyCtx; /* ED448 Verify Callback Context */
#endif
#ifdef HAVE_CURVE448
void* X448KeyGenCtx; /* X448 KeyGen Callback Context */
void* X448SharedSecretCtx; /* X448 Pms Callback Context */
#endif
#ifndef NO_DH
void* DhAgreeCtx; /* DH Pms Callback Context */
#endif /* !NO_DH */
#ifndef NO_RSA
void* RsaSignCtx; /* Rsa Sign Callback Context */
void* RsaVerifyCtx; /* Rsa Verify Callback Context */
#ifdef WC_RSA_PSS
void* RsaPssSignCtx; /* Rsa PSS Sign Callback Context */
void* RsaPssVerifyCtx; /* Rsa PSS Verify Callback Context */
#endif
void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */
void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */
#endif /* NO_RSA */
void* GenPreMasterCtx; /* Generate Premaster Callback Context */
void* GenMasterCtx; /* Generate Master Callback Context */
void* GenSessionKeyCtx; /* Generate Session Key Callback Context */
void* EncryptKeysCtx; /* Set Encrypt keys Callback Context */
void* TlsFinishedCtx; /* Generate Tls Finished Callback Context */
void* VerifyMacCtx; /* Verify mac Callback Context */
#endif /* HAVE_PK_CALLBACKS */
#ifdef HAVE_SECRET_CALLBACK
SessionSecretCb sessionSecretCb;
void* sessionSecretCtx;
#ifdef WOLFSSL_TLS13
Tls13SecretCb tls13SecretCb;
void* tls13SecretCtx;
#endif
#ifdef OPENSSL_EXTRA
SessionSecretCb keyLogCb;
#ifdef WOLFSSL_TLS13
Tls13SecretCb tls13KeyLogCb;
#endif
#endif
#endif /* HAVE_SECRET_CALLBACK */
#ifdef WOLFSSL_JNI
void* jObjectRef; /* reference to WolfSSLSession in JNI wrapper */
#endif /* WOLFSSL_JNI */
#ifdef WOLFSSL_EARLY_DATA
EarlyDataState earlyData;
word32 earlyDataSz;
byte earlyDataStatus;
#endif
#if defined(OPENSSL_EXTRA)
WOLFSSL_STACK* supportedCiphers; /* Used in wolfSSL_get_ciphers_compat */
WOLFSSL_STACK* peerCertChain; /* Used in wolfSSL_get_peer_cert_chain */
#ifdef KEEP_OUR_CERT
WOLFSSL_STACK* ourCertChain; /* Used in wolfSSL_add1_chain_cert */
#endif
#endif
#ifdef WOLFSSL_STATIC_EPHEMERAL
StaticKeyExchangeInfo_t staticKE;
#endif
#ifdef WOLFSSL_MAXQ10XX_TLS
maxq_ssl_t maxq_ctx;
#endif
#ifdef WOLFSSL_HAVE_TLS_UNIQUE
/* Added in libest port: allow applications to get the 'tls-unique' Channel
* Binding Type (https://tools.ietf.org/html/rfc5929#section-3). This is
* used in the EST protocol to bind an enrollment to a TLS session through
* 'proof-of-possession' (https://tools.ietf.org/html/rfc7030#section-3.4
* and https://tools.ietf.org/html/rfc7030#section-3.5). */
byte clientFinished[TLS_FINISHED_SZ_MAX];
byte serverFinished[TLS_FINISHED_SZ_MAX];
byte clientFinished_len;
byte serverFinished_len;
#endif
#ifndef WOLFSSL_NO_CA_NAMES
WOLF_STACK_OF(WOLFSSL_X509_NAME)* client_ca_names;
#endif
#if defined(WOLFSSL_IOTSAFE) && defined(HAVE_PK_CALLBACKS)
IOTSAFE iotsafe;
#endif
#ifdef WOLFSSL_LWIP_NATIVE
WOLFSSL_LWIP_NATIVE_STATE lwipCtx; /* LwIP native socket IO Context */
#endif
#ifdef WOLFSSL_QUIC
struct {
const WOLFSSL_QUIC_METHOD* method;
WOLFSSL_ENCRYPTION_LEVEL enc_level_read;
WOLFSSL_ENCRYPTION_LEVEL enc_level_read_next;
WOLFSSL_ENCRYPTION_LEVEL enc_level_latest_recvd;
WOLFSSL_ENCRYPTION_LEVEL enc_level_write;
WOLFSSL_ENCRYPTION_LEVEL enc_level_write_next;
int transport_version;
const QuicTransportParam* transport_local;
const QuicTransportParam* transport_peer;
const QuicTransportParam* transport_peer_draft;
QuicRecord* input_head; /* we own, data for handshake */
QuicRecord* input_tail; /* points to last element for append */
QuicRecord* scratch; /* we own, record construction */
enum wolfssl_encryption_level_t output_rec_level;
/* encryption level of current output record */
word32 output_rec_remain; /* how many bytes of output TLS record
* content have not been handled yet by quic */
} quic;
#endif /* WOLFSSL_QUIC */
#if defined(WOLFSSL_TLS13) && defined(HAVE_ECH)
WOLFSSL_EchConfig* echConfigs;
#endif
#if defined(WOLFSSL_SNIFFER) && defined(WOLFSSL_SNIFFER_KEYLOGFILE)
SSLSnifferSecretCb snifferSecretCb;
#endif /* WOLFSSL_SNIFFER && WOLFSSL_SNIFFER_KEYLOGFILE */
};
/*
* wolfSSL_PEM_read_bio_X509 pushes an ASN_NO_PEM_HEADER error
* to the error queue on file end. This should not be left
* for the caller to find so we clear the last error.
*/
#if defined(OPENSSL_EXTRA) && defined(WOLFSSL_HAVE_ERROR_QUEUE)
#define CLEAR_ASN_NO_PEM_HEADER_ERROR(err) \
(err) = wolfSSL_ERR_peek_last_error(); \
if (ERR_GET_LIB(err) == ERR_LIB_PEM && \
ERR_GET_REASON(err) == PEM_R_NO_START_LINE) { \
wc_RemoveErrorNode(-1); \
}
#else
#define CLEAR_ASN_NO_PEM_HEADER_ERROR(err) (void)(err);
#endif
/*
* The SSL object may have its own certificate store. The below macros simplify
* logic for choosing which WOLFSSL_CERT_MANAGER and WOLFSSL_X509_STORE to use.
* Always use SSL specific objects when available and revert to CTX otherwise.
*/
#ifdef WOLFSSL_LOCAL_X509_STORE
#define SSL_CM(ssl) ((ssl)->x509_store_pt ? (ssl)->x509_store_pt->cm : \
((ssl)->ctx->x509_store_pt ? (ssl)->ctx->x509_store_pt->cm : \
(ssl)->ctx->cm))
#define SSL_STORE(ssl) ((ssl)->x509_store_pt ? (ssl)->x509_store_pt : \
((ssl)->ctx->x509_store_pt ? (ssl)->ctx->x509_store_pt : \
&(ssl)->ctx->x509_store))
#define CTX_STORE(ctx) ((ctx)->x509_store_pt ? (ctx)->x509_store_pt : \
&(ctx)->x509_store)
#else
#define SSL_CM(ssl) (ssl)->ctx->cm
#endif
/* Issue warning when we are modifying the overall context CM */
#define SSL_CM_WARNING(ssl) \
do { \
if (SSL_CM( (ssl) ) == (ssl)->ctx->cm) { \
WOLFSSL_MSG("Modifying SSL_CTX CM not SSL specific CM"); \
} \
} while (0)
WOLFSSL_LOCAL int SetSSL_CTX(WOLFSSL* ssl, WOLFSSL_CTX* ctx, int writeDup);
WOLFSSL_LOCAL int InitSSL(WOLFSSL* ssl, WOLFSSL_CTX* ctx, int writeDup);
WOLFSSL_LOCAL int ReinitSSL(WOLFSSL* ssl, WOLFSSL_CTX* ctx, int writeDup);
WOLFSSL_LOCAL void FreeSSL(WOLFSSL* ssl, void* heap);
WOLFSSL_API void SSL_ResourceFree(WOLFSSL* ssl); /* Micrium uses */
#ifndef NO_CERTS
WOLFSSL_LOCAL int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
long sz, int format, int type, WOLFSSL* ssl,
long* used, int userChain, int verify);
WOLFSSL_LOCAL int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format,
int type, WOLFSSL* ssl, int userChain,
WOLFSSL_CRL* crl, int verify);
WOLFSSL_LOCAL int CheckHostName(DecodedCert* dCert, const char *domainName,
size_t domainNameLen);
#endif
#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA)
WOLFSSL_LOCAL void InitHandShakeInfo(HandShakeInfo* info, WOLFSSL* ssl);
WOLFSSL_LOCAL void FinishHandShakeInfo(HandShakeInfo* info);
WOLFSSL_LOCAL void AddPacketName(WOLFSSL* ssl, const char* name);
WOLFSSL_LOCAL void InitTimeoutInfo(TimeoutInfo* info);
WOLFSSL_LOCAL void FreeTimeoutInfo(TimeoutInfo* info, void* heap);
WOLFSSL_LOCAL int AddPacketInfo(WOLFSSL* ssl, const char* name, int type,
const byte* data, int sz, int written, int lateRL,
void* heap);
WOLFSSL_LOCAL void AddLateName(const char* name, TimeoutInfo* info);
WOLFSSL_LOCAL void AddLateRecordHeader(const RecordLayerHeader* rl,
TimeoutInfo* info);
#endif
/* Record Layer Header identifier from page 12 */
enum ContentType {
no_type = 0,
change_cipher_spec = 20,
alert = 21,
handshake = 22,
application_data = 23,
#ifdef WOLFSSL_DTLS13
ack = 26,
#endif /* WOLFSSL_DTLS13 */
};
/* handshake header, same for each message type, pgs 20/21 */
typedef struct HandShakeHeader {
byte type;
word24 length;
} HandShakeHeader;
/* DTLS handshake header, same for each message type */
typedef struct DtlsHandShakeHeader {
byte type;
word24 length;
byte message_seq[2]; /* start at 0, retransmit gets same # */
word24 fragment_offset; /* bytes in previous fragments */
word24 fragment_length; /* length of this fragment */
} DtlsHandShakeHeader;
enum HandShakeType {
hello_request = 0,
client_hello = 1,
server_hello = 2,
hello_verify_request = 3, /* DTLS addition */
session_ticket = 4,
end_of_early_data = 5,
hello_retry_request = 6,
encrypted_extensions = 8,
certificate = 11,
server_key_exchange = 12,
certificate_request = 13,
server_hello_done = 14,
certificate_verify = 15,
client_key_exchange = 16,
finished = 20,
certificate_status = 22,
key_update = 24,
change_cipher_hs = 55, /* simulate unique handshake type for sanity
checks. record layer change_cipher
conflicts with handshake finished */
message_hash = 254, /* synthetic message type for TLS v1.3 */
no_shake = 255 /* used to initialize the DtlsMsg record */
};
enum ProvisionSide {
PROVISION_CLIENT = 1,
PROVISION_SERVER = 2,
PROVISION_CLIENT_SERVER = 3
};
/* cipher requirements */
enum {
REQUIRES_RSA,
REQUIRES_DHE,
REQUIRES_ECC,
REQUIRES_ECC_STATIC,
REQUIRES_PSK,
REQUIRES_RSA_SIG,
REQUIRES_AEAD
};
static const byte kTlsClientStr[SIZEOF_SENDER+1] = { 0x43, 0x4C, 0x4E, 0x54, 0x00 }; /* CLNT */
static const byte kTlsServerStr[SIZEOF_SENDER+1] = { 0x53, 0x52, 0x56, 0x52, 0x00 }; /* SRVR */
static const byte kTlsClientFinStr[FINISHED_LABEL_SZ + 1] = "client finished";
static const byte kTlsServerFinStr[FINISHED_LABEL_SZ + 1] = "server finished";
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
typedef struct {
int name_len;
const char *name;
int nid;
} WOLF_EC_NIST_NAME;
extern const WOLF_EC_NIST_NAME kNistCurves[];
/* This is the longest and shortest curve name in the kNistCurves list. Note we
* also have quantum-safe group names as well. */
#define kNistCurves_MIN_NAME_LEN 5
#ifdef HAVE_PQC
#define kNistCurves_MAX_NAME_LEN 32
#else
#define kNistCurves_MAX_NAME_LEN 7
#endif
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
/* internal functions */
WOLFSSL_LOCAL int SendChangeCipher(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendTicket(WOLFSSL* ssl);
#ifdef HAVE_SESSION_TICKET
WOLFSSL_LOCAL int DoDecryptTicket(const WOLFSSL* ssl, const byte* input,
word32 len, InternalTicket **it);
/* Return 0 when check successful. <0 on failure. */
WOLFSSL_LOCAL void DoClientTicketFinalize(WOLFSSL* ssl, InternalTicket* it,
const WOLFSSL_SESSION* sess);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int DoClientTicketCheck(const WOLFSSL* ssl,
const PreSharedKey* psk, sword64 timeout, const byte* suite);
WOLFSSL_LOCAL void CleanupClientTickets(PreSharedKey* psk);
WOLFSSL_LOCAL int DoClientTicket_ex(const WOLFSSL* ssl, PreSharedKey* psk,
int retainSess);
#endif
WOLFSSL_LOCAL int DoClientTicket(WOLFSSL* ssl, const byte* input, word32 len);
#endif /* HAVE_SESSION_TICKET */
WOLFSSL_LOCAL int SendData(WOLFSSL* ssl, const void* data, int sz);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int SendTls13ServerHello(WOLFSSL* ssl, byte extMsgType);
#endif
WOLFSSL_LOCAL int SendCertificate(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendCertificateRequest(WOLFSSL* ssl);
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
WOLFSSL_LOCAL int CreateOcspResponse(WOLFSSL* ssl, OcspRequest** ocspRequest,
buffer* response);
#endif
#if defined(HAVE_SECURE_RENEGOTIATION) && \
!defined(NO_WOLFSSL_SERVER)
WOLFSSL_LOCAL int SendHelloRequest(WOLFSSL* ssl);
#endif
WOLFSSL_LOCAL int SendCertificateStatus(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendServerKeyExchange(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendBuffered(WOLFSSL* ssl);
WOLFSSL_LOCAL int ReceiveData(WOLFSSL* ssl, byte* output, int sz, int peek);
WOLFSSL_LOCAL int SendFinished(WOLFSSL* ssl);
WOLFSSL_LOCAL int RetrySendAlert(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendAlert(WOLFSSL* ssl, int severity, int type);
WOLFSSL_LOCAL int SendFatalAlertOnly(WOLFSSL *ssl, int error);
WOLFSSL_LOCAL int ProcessReply(WOLFSSL* ssl);
WOLFSSL_LOCAL int ProcessReplyEx(WOLFSSL* ssl, int allowSocketErr);
WOLFSSL_LOCAL const char* AlertTypeToString(int type);
WOLFSSL_LOCAL int SetCipherSpecs(WOLFSSL* ssl);
WOLFSSL_LOCAL int GetCipherSpec(word16 side, byte cipherSuite0,
byte cipherSuite, CipherSpecs* specs, Options* opts);
WOLFSSL_LOCAL int MakeMasterSecret(WOLFSSL* ssl);
WOLFSSL_LOCAL int DeriveKeys(WOLFSSL* ssl);
WOLFSSL_LOCAL int StoreKeys(WOLFSSL* ssl, const byte* keyData, int side);
WOLFSSL_LOCAL int IsTLS(const WOLFSSL* ssl);
WOLFSSL_LOCAL int IsAtLeastTLSv1_2(const WOLFSSL* ssl);
WOLFSSL_LOCAL int IsAtLeastTLSv1_3(ProtocolVersion pv);
WOLFSSL_LOCAL int IsEncryptionOn(const WOLFSSL* ssl, int isSend);
WOLFSSL_LOCAL int TLSv1_3_Capable(WOLFSSL* ssl);
WOLFSSL_LOCAL void FreeHandshakeResources(WOLFSSL* ssl);
WOLFSSL_LOCAL void ShrinkInputBuffer(WOLFSSL* ssl, int forcedFree);
WOLFSSL_LOCAL void ShrinkOutputBuffer(WOLFSSL* ssl);
WOLFSSL_LOCAL byte* GetOutputBuffer(WOLFSSL* ssl);
WOLFSSL_LOCAL int CipherRequires(byte first, byte second, int requirement);
WOLFSSL_LOCAL int VerifyClientSuite(word16 havePSK, byte cipherSuite0,
byte cipherSuite);
WOLFSSL_LOCAL int SetTicket(WOLFSSL* ssl, const byte* ticket, word32 length);
WOLFSSL_LOCAL int wolfSSL_GetMaxFragSize(WOLFSSL* ssl, int maxFragment);
#if defined(WOLFSSL_IOTSAFE) && defined(HAVE_PK_CALLBACKS)
WOLFSSL_LOCAL IOTSAFE *wolfSSL_get_iotsafe_ctx(WOLFSSL *ssl);
WOLFSSL_LOCAL int wolfSSL_set_iotsafe_ctx(WOLFSSL *ssl, IOTSAFE *iotsafe);
#endif
#if (defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)) && defined(HAVE_ECC)
WOLFSSL_LOCAL int SetECKeyInternal(WOLFSSL_EC_KEY* eckey);
WOLFSSL_LOCAL int SetECKeyExternal(WOLFSSL_EC_KEY* eckey);
#endif
#if defined(OPENSSL_EXTRA) || defined(HAVE_CURL)
WOLFSSL_LOCAL int wolfSSL_curve_is_disabled(const WOLFSSL* ssl,
word16 named_curve);
#else
#define wolfSSL_curve_is_disabled(ssl, c) ((void)(ssl), (void)(c), 0)
#endif
WOLFSSL_LOCAL WC_RNG* WOLFSSL_RSA_GetRNG(WOLFSSL_RSA *rsa, WC_RNG **tmpRNG,
int *initTmpRng);
#ifndef NO_CERTS
#ifndef NO_RSA
#ifdef WC_RSA_PSS
WOLFSSL_LOCAL int CheckRsaPssPadding(const byte* plain, word32 plainSz,
byte* out, word32 sigSz, enum wc_HashType hashType);
WOLFSSL_LOCAL int ConvertHashPss(int hashAlgo,
enum wc_HashType* hashType, int* mgf);
#endif
WOLFSSL_LOCAL int VerifyRsaSign(WOLFSSL* ssl, byte* verifySig,
word32 sigSz, const byte* plain, word32 plainSz, int sigAlgo,
int hashAlgo, RsaKey* key, DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int RsaSign(WOLFSSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, int sigAlgo, int hashAlgo, RsaKey* key,
DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int RsaVerify(WOLFSSL* ssl, byte* in, word32 inSz,
byte** out, int sigAlgo, int hashAlgo, RsaKey* key,
buffer* keyBufInfo);
WOLFSSL_LOCAL int RsaDec(WOLFSSL* ssl, byte* in, word32 inSz, byte** out,
word32* outSz, RsaKey* key, DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int RsaEnc(WOLFSSL* ssl, const byte* in, word32 inSz, byte* out,
word32* outSz, RsaKey* key, buffer* keyBufInfo);
#endif /* !NO_RSA */
#ifdef HAVE_ECC
WOLFSSL_LOCAL int EccSign(WOLFSSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, ecc_key* key, DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int EccVerify(WOLFSSL* ssl, const byte* in, word32 inSz,
const byte* out, word32 outSz, ecc_key* key, buffer* keyBufInfo);
WOLFSSL_LOCAL int EccSharedSecret(WOLFSSL* ssl, ecc_key* priv_key,
ecc_key* pub_key, byte* pubKeyDer, word32* pubKeySz, byte* out,
word32* outlen, int side);
#endif /* HAVE_ECC */
#if defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3)
WOLFSSL_LOCAL int Sm2wSm3Sign(WOLFSSL* ssl, const byte* id, word32 idSz,
const byte* in, word32 inSz, byte* out, word32* outSz, ecc_key* key,
DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int Sm2wSm3Verify(WOLFSSL* ssl, const byte* id,
word32 idSz, const byte* in, word32 inSz, const byte* out,
word32 outSz, ecc_key* key, buffer* keyBufInfo);
#endif /* WOLFSSL_SM2 && WOLFSSL_SM3 */
#ifdef HAVE_ED25519
WOLFSSL_LOCAL int Ed25519CheckPubKey(WOLFSSL* ssl);
WOLFSSL_LOCAL int Ed25519Sign(WOLFSSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, ed25519_key* key, DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int Ed25519Verify(WOLFSSL* ssl, const byte* in,
word32 inSz, const byte* msg, word32 msgSz, ed25519_key* key,
buffer* keyBufInfo);
#endif /* HAVE_ED25519 */
#ifdef HAVE_ED448
WOLFSSL_LOCAL int Ed448CheckPubKey(WOLFSSL* ssl);
WOLFSSL_LOCAL int Ed448Sign(WOLFSSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, ed448_key* key, DerBuffer* keyBufInfo);
WOLFSSL_LOCAL int Ed448Verify(WOLFSSL* ssl, const byte* in,
word32 inSz, const byte* msg, word32 msgSz, ed448_key* key,
buffer* keyBufInfo);
#endif /* HAVE_ED448 */
#ifdef WOLFSSL_TRUST_PEER_CERT
/* options for searching hash table for a matching trusted peer cert */
#define WC_MATCH_SKID 0
#define WC_MATCH_NAME 1
WOLFSSL_LOCAL TrustedPeerCert* GetTrustedPeer(void* vp, DecodedCert* cert);
WOLFSSL_LOCAL int MatchTrustedPeer(TrustedPeerCert* tp,
DecodedCert* cert);
#endif
#ifndef GetCA
WOLFSSL_LOCAL Signer* GetCA(void* vp, byte* hash);
#endif
#ifdef WOLFSSL_AKID_NAME
WOLFSSL_LOCAL Signer* GetCAByAKID(void* vp, const byte* issuer,
word32 issuerSz, const byte* serial, word32 serialSz);
#endif
#if !defined(NO_SKID) && !defined(GetCAByName)
WOLFSSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
#endif
#endif /* !NO_CERTS */
WOLFSSL_LOCAL int BuildTlsHandshakeHash(WOLFSSL* ssl, byte* hash,
word32* hashLen);
WOLFSSL_LOCAL int BuildTlsFinished(WOLFSSL* ssl, Hashes* hashes,
const byte* sender);
WOLFSSL_LOCAL void FreeArrays(WOLFSSL* ssl, int keep);
WOLFSSL_LOCAL int CheckAvailableSize(WOLFSSL *ssl, int size);
WOLFSSL_LOCAL int GrowInputBuffer(WOLFSSL* ssl, int size, int usedLength);
WOLFSSL_LOCAL int MsgCheckEncryption(WOLFSSL* ssl, byte type, byte encrypted);
WOLFSSL_LOCAL int EarlySanityCheckMsgReceived(WOLFSSL* ssl, byte type,
word32 msgSz);
#if !defined(NO_WOLFSSL_CLIENT) || !defined(WOLFSSL_NO_CLIENT_AUTH)
WOLFSSL_LOCAL void DoCertFatalAlert(WOLFSSL* ssl, int ret);
#endif
#ifndef NO_TLS
WOLFSSL_LOCAL int MakeTlsMasterSecret(WOLFSSL* ssl);
#ifndef WOLFSSL_AEAD_ONLY
WOLFSSL_LOCAL int TLS_hmac(WOLFSSL* ssl, byte* digest, const byte* in,
word32 sz, int padSz, int content, int verify, int epochOrder);
#endif
#endif
WOLFSSL_LOCAL int cipherExtraData(WOLFSSL* ssl);
#ifndef NO_WOLFSSL_CLIENT
WOLFSSL_LOCAL int HaveUniqueSessionObj(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendClientHello(WOLFSSL* ssl);
WOLFSSL_LOCAL int DoHelloVerifyRequest(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
word32 size);
#ifdef WOLFSSL_TLS13
WOLFSSL_LOCAL int SendTls13ClientHello(WOLFSSL* ssl);
#endif
WOLFSSL_LOCAL int SendClientKeyExchange(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendCertificateVerify(WOLFSSL* ssl);
#endif /* NO_WOLFSSL_CLIENT */
#ifndef NO_WOLFSSL_SERVER
WOLFSSL_LOCAL int SendServerHello(WOLFSSL* ssl);
WOLFSSL_LOCAL int SendServerHelloDone(WOLFSSL* ssl);
#endif /* NO_WOLFSSL_SERVER */
#ifdef WOLFSSL_DTLS
WOLFSSL_LOCAL DtlsMsg* DtlsMsgNew(word32 sz, byte tx, void* heap);
WOLFSSL_LOCAL void DtlsMsgDelete(DtlsMsg* item, void* heap);
/* Use WOLFSSL_API to enable src/api.c testing */
WOLFSSL_API void DtlsMsgListDelete(DtlsMsg* head, void* heap);
WOLFSSL_LOCAL void DtlsTxMsgListClean(WOLFSSL* ssl);
WOLFSSL_LOCAL int DtlsMsgSet(DtlsMsg* msg, word32 seq, word16 epoch,
const byte* data, byte type,
word32 fragOffset, word32 fragSz, void* heap,
word32 totalLen, byte encrypted);
/* Use WOLFSSL_API to enable src/api.c testing */
WOLFSSL_API DtlsMsg* DtlsMsgFind(DtlsMsg* head, word16 epoch, word32 seq);
/* Use WOLFSSL_API to enable src/api.c testing */
WOLFSSL_API void DtlsMsgStore(WOLFSSL* ssl, word16 epoch, word32 seq,
const byte* data, word32 dataSz, byte type,
word32 fragOffset, word32 fragSz,
void* heap);
WOLFSSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg* head, DtlsMsg* item);
WOLFSSL_LOCAL int DtlsMsgPoolSave(WOLFSSL* ssl, const byte* data,
word32 dataSz, enum HandShakeType type);
WOLFSSL_LOCAL int DtlsMsgPoolTimeout(WOLFSSL* ssl);
WOLFSSL_LOCAL int VerifyForDtlsMsgPoolSend(WOLFSSL* ssl, byte type,
word32 fragOffset);
WOLFSSL_LOCAL int VerifyForTxDtlsMsgDelete(WOLFSSL* ssl, DtlsMsg* item);
WOLFSSL_LOCAL void DtlsMsgPoolReset(WOLFSSL* ssl);
WOLFSSL_LOCAL int DtlsMsgPoolSend(WOLFSSL* ssl, int sendOnlyFirstPacket);
WOLFSSL_LOCAL void DtlsMsgDestroyFragBucket(DtlsFragBucket* fragBucket, void* heap);
WOLFSSL_LOCAL int GetDtlsHandShakeHeader(WOLFSSL *ssl, const byte *input,
word32 *inOutIdx, byte *type, word32 *size, word32 *fragOffset,
word32 *fragSz, word32 totalSz);
WOLFSSL_LOCAL int DtlsMsgDrain(WOLFSSL *ssl);
WOLFSSL_LOCAL int SendHelloVerifyRequest(WOLFSSL* ssl,
const byte* cookie, byte cookieSz);
#if !defined(NO_WOLFSSL_SERVER)
WOLFSSL_LOCAL int DoClientHelloStateless(WOLFSSL* ssl,
const byte* input, word32 helloSz, byte isFirstCHFrag, byte* tls13);
#endif /* !defined(NO_WOLFSSL_SERVER) */
#endif /* WOLFSSL_DTLS */
#if defined(HAVE_SECURE_RENEGOTIATION) && defined(WOLFSSL_DTLS)
WOLFSSL_LOCAL int DtlsSCRKeysSet(WOLFSSL* ssl);
WOLFSSL_LOCAL int IsDtlsMsgSCRKeys(WOLFSSL* ssl);
WOLFSSL_LOCAL int DtlsUseSCRKeys(WOLFSSL* ssl);
WOLFSSL_LOCAL int DtlsCheckOrder(WOLFSSL* ssl, int order);
#endif
WOLFSSL_LOCAL int IsSCR(WOLFSSL* ssl);
WOLFSSL_LOCAL int IsDtlsNotSctpMode(WOLFSSL* ssl);
WOLFSSL_LOCAL int IsDtlsNotSrtpMode(WOLFSSL* ssl);
WOLFSSL_LOCAL void WriteSEQ(WOLFSSL* ssl, int verifyOrder, byte* out);
#if defined(WOLFSSL_TLS13) && (defined(HAVE_SESSION_TICKET) || !defined(NO_PSK))
#ifdef WOLFSSL_32BIT_MILLI_TIME
WOLFSSL_LOCAL word32 TimeNowInMilliseconds(void);
#else
WOLFSSL_LOCAL sword64 TimeNowInMilliseconds(void);
#endif
#endif
WOLFSSL_LOCAL word32 LowResTimer(void);
WOLFSSL_LOCAL int FindSuiteSSL(const WOLFSSL* ssl, byte* suite);
WOLFSSL_LOCAL void DecodeSigAlg(const byte* input, byte* hashAlgo,
byte* hsType);
WOLFSSL_LOCAL enum wc_HashType HashAlgoToType(int hashAlgo);
#ifndef NO_CERTS
WOLFSSL_LOCAL void InitX509Name(WOLFSSL_X509_NAME* name, int dynamicFlag,
void* heap);
WOLFSSL_LOCAL void FreeX509Name(WOLFSSL_X509_NAME* name);
WOLFSSL_LOCAL void InitX509(WOLFSSL_X509* x509, int dynamicFlag,
void* heap);
WOLFSSL_LOCAL void FreeX509(WOLFSSL_X509* x509);
WOLFSSL_LOCAL int CopyDecodedToX509(WOLFSSL_X509* x509,
DecodedCert* dCert);
#endif
#ifndef MAX_CIPHER_NAME
#define MAX_CIPHER_NAME 50
#endif
#ifdef WOLFSSL_NAMES_STATIC
typedef char cipher_name[MAX_CIPHER_NAME];
#else
typedef const char* cipher_name;
#endif
typedef struct CipherSuiteInfo {
cipher_name name;
#ifndef NO_ERROR_STRINGS
cipher_name name_iana;
#endif
byte cipherSuite0;
byte cipherSuite;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) || \
defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_NGINX)
byte minor;
byte major;
#endif
byte flags;
} CipherSuiteInfo;
WOLFSSL_LOCAL const CipherSuiteInfo* GetCipherNames(void);
WOLFSSL_LOCAL int GetCipherNamesSize(void);
WOLFSSL_LOCAL const char* GetCipherNameInternal(byte cipherSuite0, byte cipherSuite);
#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT)
/* used in wolfSSL_sk_CIPHER_description */
#define MAX_SEGMENTS 5
#define MAX_SEGMENT_SZ 20
WOLFSSL_LOCAL int wolfSSL_sk_CIPHER_description(WOLFSSL_CIPHER* cipher);
WOLFSSL_LOCAL const char* GetCipherSegment(const WOLFSSL_CIPHER* cipher,
char n[][MAX_SEGMENT_SZ]);
WOLFSSL_LOCAL const char* GetCipherProtocol(byte minor);
WOLFSSL_LOCAL const char* GetCipherKeaStr(char n[][MAX_SEGMENT_SZ]);
WOLFSSL_LOCAL const char* GetCipherAuthStr(char n[][MAX_SEGMENT_SZ]);
WOLFSSL_LOCAL const char* GetCipherEncStr(char n[][MAX_SEGMENT_SZ]);
WOLFSSL_LOCAL const char* GetCipherMacStr(char n[][MAX_SEGMENT_SZ]);
WOLFSSL_LOCAL int SetCipherBits(const char* enc);
WOLFSSL_LOCAL int IsCipherAEAD(char n[][MAX_SEGMENT_SZ]);
#endif
WOLFSSL_LOCAL const char* GetCipherNameIana(byte cipherSuite0, byte cipherSuite);
WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_internal(WOLFSSL* ssl);
WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_iana(WOLFSSL* ssl);
WOLFSSL_LOCAL int GetCipherSuiteFromName(const char* name, byte* cipherSuite0,
byte* cipherSuite, int* flags);
enum encrypt_side {
ENCRYPT_SIDE_ONLY = 1,
DECRYPT_SIDE_ONLY,
ENCRYPT_AND_DECRYPT_SIDE
};
WOLFSSL_LOCAL int SetKeysSide(WOLFSSL* ssl, enum encrypt_side side);
/* Set*Internal and Set*External functions */
WOLFSSL_LOCAL int SetDsaInternal(WOLFSSL_DSA* dsa);
WOLFSSL_LOCAL int SetDsaExternal(WOLFSSL_DSA* dsa);
#ifndef HAVE_USER_RSA
WOLFSSL_LOCAL int SetRsaExternal(WOLFSSL_RSA* rsa);
WOLFSSL_LOCAL int SetRsaInternal(WOLFSSL_RSA* rsa);
#endif
typedef enum elem_set {
ELEMENT_P = 0x01,
ELEMENT_Q = 0x02,
ELEMENT_G = 0x04,
ELEMENT_PUB = 0x08,
ELEMENT_PRV = 0x10,
} Element_Set;
WOLFSSL_LOCAL int SetDhExternal_ex(WOLFSSL_DH *dh, int elm );
WOLFSSL_LOCAL int SetDhInternal(WOLFSSL_DH* dh);
WOLFSSL_LOCAL int SetDhExternal(WOLFSSL_DH *dh);
#if !defined(NO_DH) && (!defined(NO_CERTS) || !defined(NO_PSK))
WOLFSSL_LOCAL int DhGenKeyPair(WOLFSSL* ssl, DhKey* dhKey,
byte* priv, word32* privSz,
byte* pub, word32* pubSz);
WOLFSSL_LOCAL int DhAgree(WOLFSSL* ssl, DhKey* dhKey,
const byte* priv, word32 privSz,
const byte* otherPub, word32 otherPubSz,
byte* agree, word32* agreeSz,
const byte* prime, word32 primeSz);
#endif /* !NO_DH */
#ifdef HAVE_ECC
WOLFSSL_LOCAL int EccMakeKey(WOLFSSL* ssl, ecc_key* key, ecc_key* peer);
WOLFSSL_LOCAL word16 GetCurveByOID(int oidSum);
#endif
WOLFSSL_LOCAL int InitHandshakeHashes(WOLFSSL* ssl);
WOLFSSL_LOCAL void FreeHandshakeHashes(WOLFSSL* ssl);
WOLFSSL_LOCAL int InitHandshakeHashesAndCopy(WOLFSSL* ssl, HS_Hashes* source,
HS_Hashes** destination);
#ifndef WOLFSSL_NO_TLS12
WOLFSSL_LOCAL void FreeBuildMsgArgs(WOLFSSL* ssl, BuildMsgArgs* args);
#endif
WOLFSSL_LOCAL int BuildMessage(WOLFSSL* ssl, byte* output, int outSz,
const byte* input, int inSz, int type, int hashOutput,
int sizeOnly, int asyncOkay, int epochOrder);
#ifdef WOLFSSL_TLS13
/* Use WOLFSSL_API to use this function in tests/api.c */
WOLFSSL_API int BuildTls13Message(WOLFSSL* ssl, byte* output, int outSz, const byte* input,
int inSz, int type, int hashOutput, int sizeOnly, int asyncOkay);
WOLFSSL_LOCAL int Tls13UpdateKeys(WOLFSSL* ssl);
#endif
WOLFSSL_LOCAL int AllocKey(WOLFSSL* ssl, int type, void** pKey);
WOLFSSL_LOCAL void FreeKey(WOLFSSL* ssl, int type, void** pKey);
#ifdef WOLFSSL_ASYNC_CRYPT
WOLFSSL_LOCAL int wolfSSL_AsyncInit(WOLFSSL* ssl, WC_ASYNC_DEV* asyncDev, word32 flags);
WOLFSSL_LOCAL int wolfSSL_AsyncPop(WOLFSSL* ssl, byte* state);
WOLFSSL_LOCAL int wolfSSL_AsyncPush(WOLFSSL* ssl, WC_ASYNC_DEV* asyncDev);
#endif
#if defined(OPENSSL_ALL) && defined(WOLFSSL_CERT_GEN) && \
(defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_EXT)) && \
!defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR)
WOLFSSL_LOCAL int LoadCertByIssuer(WOLFSSL_X509_STORE* store,
X509_NAME* issuer, int Type);
#endif
#if defined(OPENSSL_ALL) && !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR)
WOLFSSL_LOCAL WOLFSSL_BY_DIR_HASH* wolfSSL_BY_DIR_HASH_new(void);
WOLFSSL_LOCAL void wolfSSL_BY_DIR_HASH_free(WOLFSSL_BY_DIR_HASH* dir_hash);
WOLFSSL_LOCAL WOLFSSL_STACK* wolfSSL_sk_BY_DIR_HASH_new_null(void);
WOLFSSL_LOCAL int wolfSSL_sk_BY_DIR_HASH_find(
WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH)* sk, const WOLFSSL_BY_DIR_HASH* toFind);
WOLFSSL_LOCAL int wolfSSL_sk_BY_DIR_HASH_num(const WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH) *sk);
WOLFSSL_LOCAL WOLFSSL_BY_DIR_HASH* wolfSSL_sk_BY_DIR_HASH_value(
const WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH) *sk, int i);
WOLFSSL_LOCAL WOLFSSL_BY_DIR_HASH* wolfSSL_sk_BY_DIR_HASH_pop(
WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH)* sk);
WOLFSSL_LOCAL void wolfSSL_sk_BY_DIR_HASH_pop_free(WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH)* sk,
void (*f) (WOLFSSL_BY_DIR_HASH*));
WOLFSSL_LOCAL void wolfSSL_sk_BY_DIR_HASH_free(WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH) *sk);
WOLFSSL_LOCAL int wolfSSL_sk_BY_DIR_HASH_push(WOLF_STACK_OF(WOLFSSL_BY_DIR_HASH)* sk,
WOLFSSL_BY_DIR_HASH* in);
/* WOLFSSL_BY_DIR_entry stuff */
WOLFSSL_LOCAL WOLFSSL_BY_DIR_entry* wolfSSL_BY_DIR_entry_new(void);
WOLFSSL_LOCAL void wolfSSL_BY_DIR_entry_free(WOLFSSL_BY_DIR_entry* entry);
WOLFSSL_LOCAL WOLFSSL_STACK* wolfSSL_sk_BY_DIR_entry_new_null(void);
WOLFSSL_LOCAL int wolfSSL_sk_BY_DIR_entry_num(const WOLF_STACK_OF(WOLFSSL_BY_DIR_entry) *sk);
WOLFSSL_LOCAL WOLFSSL_BY_DIR_entry* wolfSSL_sk_BY_DIR_entry_value(
const WOLF_STACK_OF(WOLFSSL_BY_DIR_entry) *sk, int i);
WOLFSSL_LOCAL WOLFSSL_BY_DIR_entry* wolfSSL_sk_BY_DIR_entry_pop(
WOLF_STACK_OF(WOLFSSL_BY_DIR_entry)* sk);
WOLFSSL_LOCAL void wolfSSL_sk_BY_DIR_entry_pop_free(WOLF_STACK_OF(wolfSSL_BY_DIR_entry)* sk,
void (*f) (WOLFSSL_BY_DIR_entry*));
WOLFSSL_LOCAL void wolfSSL_sk_BY_DIR_entry_free(WOLF_STACK_OF(wolfSSL_BY_DIR_entry) *sk);
WOLFSSL_LOCAL int wolfSSL_sk_BY_DIR_entry_push(WOLF_STACK_OF(wolfSSL_BY_DIR_entry)* sk,
WOLFSSL_BY_DIR_entry* in);
#endif /* OPENSSL_ALL && !NO_FILESYSTEM && !NO_WOLFSSL_DIR */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
WOLFSSL_LOCAL int oid2nid(word32 oid, int grp);
WOLFSSL_LOCAL word32 nid2oid(int nid, int grp);
#endif
#ifdef WOLFSSL_DTLS
WOLFSSL_API int wolfSSL_DtlsUpdateWindow(word16 cur_hi, word32 cur_lo,
word16* next_hi, word32* next_lo, word32 *window);
WOLFSSL_LOCAL int DtlsUpdateWindow(WOLFSSL* ssl);
WOLFSSL_LOCAL void DtlsResetState(WOLFSSL *ssl);
WOLFSSL_LOCAL int DtlsIgnoreError(int err);
WOLFSSL_LOCAL void DtlsSetSeqNumForReply(WOLFSSL* ssl);
#endif
#ifdef WOLFSSL_DTLS13
/* Use WOLFSSL_API to use this function in tests/api.c */
WOLFSSL_API struct Dtls13Epoch* Dtls13GetEpoch(WOLFSSL* ssl,
w64wrapper epochNumber);
WOLFSSL_LOCAL void Dtls13SetOlderEpochSide(WOLFSSL* ssl, w64wrapper epochNumber,
int side);
WOLFSSL_LOCAL int Dtls13NewEpoch(WOLFSSL* ssl, w64wrapper epochNumber,
int side);
WOLFSSL_LOCAL int Dtls13SetEpochKeys(WOLFSSL* ssl, w64wrapper epochNumber,
enum encrypt_side side);
WOLFSSL_LOCAL int Dtls13GetSeq(WOLFSSL* ssl, int order, word32* seq,
byte increment);
WOLFSSL_LOCAL int Dtls13DoScheduledWork(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13DeriveSnKeys(WOLFSSL* ssl, int provision);
WOLFSSL_LOCAL int Dtls13SetRecordNumberKeys(WOLFSSL* ssl,
enum encrypt_side side);
WOLFSSL_LOCAL int Dtls13AddHeaders(byte* output, word32 length,
enum HandShakeType hs_type, WOLFSSL* ssl);
WOLFSSL_LOCAL word16 Dtls13GetHeadersLength(WOLFSSL *ssl,
enum HandShakeType type);
WOLFSSL_LOCAL word16 Dtls13GetRlHeaderLength(WOLFSSL *ssl, byte is_encrypted);
WOLFSSL_LOCAL int Dtls13RlAddCiphertextHeader(WOLFSSL* ssl, byte* out,
word16 length);
WOLFSSL_LOCAL int Dtls13RlAddPlaintextHeader(WOLFSSL* ssl, byte* out,
enum ContentType content_type, word16 length);
WOLFSSL_LOCAL int Dtls13EncryptRecordNumber(WOLFSSL* ssl, byte* hdr,
word16 recordLength);
WOLFSSL_LOCAL int Dtls13IsUnifiedHeader(byte header_flags);
WOLFSSL_LOCAL int Dtls13GetUnifiedHeaderSize(WOLFSSL* ssl, const byte input,
word16* size);
WOLFSSL_LOCAL int Dtls13ParseUnifiedRecordLayer(WOLFSSL* ssl, const byte* input,
word16 input_size, Dtls13UnifiedHdrInfo* hdrInfo);
WOLFSSL_LOCAL int Dtls13HandshakeSend(WOLFSSL* ssl, byte* output,
word16 output_size, word16 length, enum HandShakeType handshake_type,
int hash_output);
WOLFSSL_LOCAL int Dtls13RecordRecvd(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13HandshakeRecv(WOLFSSL* ssl, byte* input,
word32* inOutIdx, word32 totalSz);
WOLFSSL_LOCAL int Dtls13HandshakeAddHeader(WOLFSSL* ssl, byte* output,
enum HandShakeType msg_type, word32 length);
#define EE_MASK (0x3)
WOLFSSL_LOCAL int Dtls13FragmentsContinue(WOLFSSL* ssl);
WOLFSSL_LOCAL int DoDtls13Ack(WOLFSSL* ssl, const byte* input, word32 inputSize,
word32* processedSize);
WOLFSSL_LOCAL int Dtls13ReconstructEpochNumber(WOLFSSL* ssl, byte epochBits,
w64wrapper* epoch);
WOLFSSL_LOCAL int Dtls13ReconstructSeqNumber(WOLFSSL* ssl,
Dtls13UnifiedHdrInfo* hdrInfo, w64wrapper* out);
WOLFSSL_LOCAL int SendDtls13Ack(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13RtxProcessingCertificate(WOLFSSL* ssl, byte* input,
word32 inputSize);
WOLFSSL_LOCAL int Dtls13HashHandshake(WOLFSSL* ssl, const byte* input,
word16 length);
WOLFSSL_LOCAL int Dtls13HashClientHello(const WOLFSSL* ssl, byte* hash,
int* hashSz, const byte* body, word32 length, CipherSpecs* specs);
WOLFSSL_LOCAL void Dtls13FreeFsmResources(WOLFSSL* ssl);
WOLFSSL_LOCAL void Dtls13RtxFlushBuffered(WOLFSSL* ssl,
byte keepNewSessionTicket);
WOLFSSL_LOCAL int Dtls13RtxTimeout(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13ProcessBufferedMessages(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13CheckAEADFailLimit(WOLFSSL* ssl);
WOLFSSL_LOCAL int Dtls13UpdateWindowRecordRecvd(WOLFSSL* ssl);
#endif /* WOLFSSL_DTLS13 */
#ifdef WOLFSSL_STATIC_EPHEMERAL
WOLFSSL_LOCAL int wolfSSL_StaticEphemeralKeyLoad(WOLFSSL* ssl, int keyAlgo, void* keyPtr);
#endif
#ifndef NO_CERTS
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \
defined(OPENSSL_EXTRA_X509_SMALL)
WOLFSSL_LOCAL int wolfSSL_ASN1_STRING_canon(WOLFSSL_ASN1_STRING* asn_out,
const WOLFSSL_ASN1_STRING* asn_in);
#endif
#ifdef OPENSSL_EXTRA
WOLFSSL_LOCAL int GetX509Error(int e);
#endif
#endif
#if defined(HAVE_EX_DATA) && \
(defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || \
defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA) || \
defined(HAVE_LIGHTY)) || defined(HAVE_EX_DATA) || \
defined(WOLFSSL_WPAS_SMALL)
typedef struct CRYPTO_EX_cb_ctx {
long ctx_l;
void *ctx_ptr;
WOLFSSL_CRYPTO_EX_new* new_func;
WOLFSSL_CRYPTO_EX_free* free_func;
WOLFSSL_CRYPTO_EX_dup* dup_func;
struct CRYPTO_EX_cb_ctx* next;
} CRYPTO_EX_cb_ctx;
/* use wolfSSL_API visibility to be able to clear in tests/api.c */
WOLFSSL_API extern CRYPTO_EX_cb_ctx* crypto_ex_cb_ctx_session;
WOLFSSL_API void crypto_ex_cb_free(CRYPTO_EX_cb_ctx* cb_ctx);
WOLFSSL_LOCAL void crypto_ex_cb_setup_new_data(void *new_obj,
CRYPTO_EX_cb_ctx* cb_ctx, WOLFSSL_CRYPTO_EX_DATA* ex_data);
WOLFSSL_LOCAL void crypto_ex_cb_free_data(void *obj, CRYPTO_EX_cb_ctx* cb_ctx,
WOLFSSL_CRYPTO_EX_DATA* ex_data);
WOLFSSL_LOCAL int crypto_ex_cb_dup_data(const WOLFSSL_CRYPTO_EX_DATA *in,
WOLFSSL_CRYPTO_EX_DATA *out, CRYPTO_EX_cb_ctx* cb_ctx);
WOLFSSL_LOCAL int wolfssl_get_ex_new_index(int class_index, long ctx_l,
void* ctx_ptr, WOLFSSL_CRYPTO_EX_new* new_func,
WOLFSSL_CRYPTO_EX_dup* dup_func, WOLFSSL_CRYPTO_EX_free* free_func);
#endif
WOLFSSL_LOCAL WC_RNG* wolfssl_get_global_rng(void);
WOLFSSL_LOCAL WC_RNG* wolfssl_make_global_rng(void);
#if !defined(WOLFCRYPT_ONLY) && defined(OPENSSL_EXTRA)
#if defined(WOLFSSL_KEY_GEN) && defined(WOLFSSL_PEM_TO_DER)
WOLFSSL_LOCAL int EncryptDerKey(byte *der, int *derSz, const EVP_CIPHER* cipher,
unsigned char* passwd, int passwdSz, byte **cipherInfo, int maxDerSz);
#endif
#endif
#if !defined(NO_RSA) && !defined(HAVE_USER_RSA)
WOLFSSL_LOCAL int wolfSSL_RSA_To_Der(WOLFSSL_RSA* rsa, byte** outBuf,
int publicKey, void* heap);
#endif
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) \
|| defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY) || defined(HAVE_SECRET_CALLBACK)
WOLFSSL_LOCAL int wolfSSL_SSL_do_handshake_internal(WOLFSSL *s);
#endif
#ifdef WOLFSSL_QUIC
#define WOLFSSL_IS_QUIC(s) (((s) != NULL) && ((s)->quic.method != NULL))
WOLFSSL_LOCAL int wolfSSL_quic_receive(WOLFSSL* ssl, byte* buf, word32 sz);
WOLFSSL_LOCAL int wolfSSL_quic_send(WOLFSSL* ssl);
WOLFSSL_LOCAL void wolfSSL_quic_clear(WOLFSSL* ssl);
WOLFSSL_LOCAL void wolfSSL_quic_free(WOLFSSL* ssl);
WOLFSSL_LOCAL int wolfSSL_quic_forward_secrets(WOLFSSL *ssl,
int ktype, int side);
WOLFSSL_LOCAL int wolfSSL_quic_keys_active(WOLFSSL* ssl, enum encrypt_side side);
#else
#define WOLFSSL_IS_QUIC(s) 0
#endif /* WOLFSSL_QUIC (else) */
#if defined(SHOW_SECRETS) && defined(WOLFSSL_SSLKEYLOGFILE)
WOLFSSL_LOCAL int tls13ShowSecrets(WOLFSSL* ssl, int id, const unsigned char* secret,
int secretSz, void* ctx);
#endif
/* Optional Pre-Master-Secret logging for Wireshark */
#if !defined(NO_FILESYSTEM) && defined(WOLFSSL_SSLKEYLOGFILE)
#ifndef WOLFSSL_SSLKEYLOGFILE_OUTPUT
#define WOLFSSL_SSLKEYLOGFILE_OUTPUT "sslkeylog.log"
#endif
#endif
#if defined(WOLFSSL_TLS13) && !defined(NO_PSK)
WOLFSSL_LOCAL int FindPskSuite(const WOLFSSL* ssl, PreSharedKey* psk,
byte* psk_key, word32* psk_keySz, const byte* suite, int* found,
byte* foundSuite);
#endif
WOLFSSL_LOCAL int wolfSSL_GetHmacType_ex(CipherSpecs* specs);
#if defined(WOLFSSL_SEND_HRR_COOKIE) && !defined(NO_WOLFSSL_SERVER)
WOLFSSL_LOCAL int CreateCookieExt(const WOLFSSL* ssl, byte* hash,
word16 hashSz, TLSX** exts,
byte cipherSuite0, byte cipherSuite);
#endif
WOLFSSL_LOCAL int TranslateErrorToAlert(int err);
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
void* wolfssl_sk_pop_type(WOLFSSL_STACK* sk, WOLF_STACK_TYPE type);
WOLFSSL_STACK* wolfssl_sk_new_type(WOLF_STACK_TYPE type);
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* wolfSSL_INT_H */
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