138 lines
4.9 KiB
C
138 lines
4.9 KiB
C
/* dh.h
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* dh.h for openSSL */
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#ifndef WOLFSSL_DH_H_
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#define WOLFSSL_DH_H_
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#include <wolfssl/openssl/bn.h>
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#include <wolfssl/openssl/opensslv.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef WOLFSSL_DH_TYPE_DEFINED /* guard on redeclaration */
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typedef struct WOLFSSL_DH WOLFSSL_DH;
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#define WOLFSSL_DH_TYPE_DEFINED
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#endif
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struct WOLFSSL_DH {
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WOLFSSL_BIGNUM* p;
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WOLFSSL_BIGNUM* g;
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WOLFSSL_BIGNUM* q;
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WOLFSSL_BIGNUM* pub_key; /* openssh deference g^x */
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WOLFSSL_BIGNUM* priv_key; /* openssh deference x */
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void* internal; /* our DH */
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char inSet; /* internal set from external ? */
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char exSet; /* external set from internal ? */
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/*added for lighttpd openssl compatibility, go back and add a getter in
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* lighttpd src code.
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*/
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int length;
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wolfSSL_Ref ref; /* Reference count information. */
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};
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WOLFSSL_API WOLFSSL_DH *wolfSSL_d2i_DHparams(WOLFSSL_DH **dh,
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const unsigned char **pp, long length);
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WOLFSSL_API int wolfSSL_i2d_DHparams(const WOLFSSL_DH *dh, unsigned char **out);
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WOLFSSL_API WOLFSSL_DH* wolfSSL_DH_new(void);
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WOLFSSL_API WOLFSSL_DH* wolfSSL_DH_new_by_nid(int nid);
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WOLFSSL_API void wolfSSL_DH_free(WOLFSSL_DH* dh);
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WOLFSSL_API WOLFSSL_DH* wolfSSL_DH_dup(WOLFSSL_DH* dh);
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WOLFSSL_API int wolfSSL_DH_up_ref(WOLFSSL_DH* dh);
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WOLFSSL_API int wolfSSL_DH_check(const WOLFSSL_DH *dh, int *codes);
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WOLFSSL_API int wolfSSL_DH_size(WOLFSSL_DH* dh);
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WOLFSSL_API int wolfSSL_DH_generate_key(WOLFSSL_DH* dh);
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WOLFSSL_API int wolfSSL_DH_compute_key(unsigned char* key, const WOLFSSL_BIGNUM* pub,
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WOLFSSL_DH* dh);
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WOLFSSL_API int wolfSSL_DH_LoadDer(WOLFSSL_DH* dh, const unsigned char* derBuf,
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int derSz);
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WOLFSSL_API int wolfSSL_DH_set_length(WOLFSSL_DH* dh, long len);
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WOLFSSL_API int wolfSSL_DH_set0_pqg(WOLFSSL_DH *dh, WOLFSSL_BIGNUM *p,
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WOLFSSL_BIGNUM *q, WOLFSSL_BIGNUM *g);
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WOLFSSL_API WOLFSSL_DH* wolfSSL_DH_get_2048_256(void);
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#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
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typedef WOLFSSL_DH DH;
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#define DH_new wolfSSL_DH_new
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#define DH_free wolfSSL_DH_free
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#define DH_up_ref wolfSSL_DH_up_ref
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#define DH_new_by_nid wolfSSL_DH_new_by_nid
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#define d2i_DHparams wolfSSL_d2i_DHparams
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#define i2d_DHparams wolfSSL_i2d_DHparams
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#define DH_check wolfSSL_DH_check
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#define DH_size wolfSSL_DH_size
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#define DH_generate_key wolfSSL_DH_generate_key
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#define DH_compute_key wolfSSL_DH_compute_key
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#define DH_set_length wolfSSL_DH_set_length
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#define DH_set0_pqg wolfSSL_DH_set0_pqg
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#define DH_get0_pqg wolfSSL_DH_get0_pqg
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#define DH_get0_key wolfSSL_DH_get0_key
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#define DH_set0_key wolfSSL_DH_set0_key
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#define DH_bits(x) (BN_num_bits((x)->p))
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#define DH_GENERATOR_2 2
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#define DH_CHECK_P_NOT_PRIME 0x01
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#define DH_CHECK_P_NOT_SAFE_PRIME 0x02
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#define DH_NOT_SUITABLE_GENERATOR 0x08
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/* Temporary values for wolfSSL_DH_Check*/
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#define DH_CHECK_INVALID_Q_VALUE 0x10
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#define DH_CHECK_Q_NOT_PRIME 0x11
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/* end temp */
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/* for pre 1.1.0 */
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#define get_rfc2409_prime_768 wolfSSL_DH_768_prime
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#define get_rfc2409_prime_1024 wolfSSL_DH_1024_prime
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#define get_rfc3526_prime_1536 wolfSSL_DH_1536_prime
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#define get_rfc3526_prime_2048 wolfSSL_DH_2048_prime
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#define get_rfc3526_prime_3072 wolfSSL_DH_3072_prime
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#define get_rfc3526_prime_4096 wolfSSL_DH_4096_prime
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#define get_rfc3526_prime_6144 wolfSSL_DH_6144_prime
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#define get_rfc3526_prime_8192 wolfSSL_DH_8192_prime
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#define DH_get_2048_256 wolfSSL_DH_get_2048_256
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#if defined(OPENSSL_ALL) || defined(HAVE_STUNNEL)
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#define DH_generate_parameters wolfSSL_DH_generate_parameters
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#define DH_generate_parameters_ex wolfSSL_DH_generate_parameters_ex
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#endif /* OPENSSL_ALL || HAVE_STUNNEL */
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#define DH_GENERATOR_2 2
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#define DH_GENERATOR_5 5
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#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLFSSL_DH_H_ */
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