111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/* aes.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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/* aes.h defines mini des openssl compatibility layer
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*
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*/
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#ifndef WOLFSSL_AES_H_
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#define WOLFSSL_AES_H_
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#include <wolfssl/wolfcrypt/settings.h>
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#ifndef NO_AES
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#include <wolfssl/wolfcrypt/aes.h>
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#if !defined(WOLFSSL_NO_OPENSSL_AES_LOW_LEVEL_API) && \
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defined(WC_AESFREE_IS_MANDATORY)
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#define WOLFSSL_NO_OPENSSL_AES_LOW_LEVEL_API
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#endif
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#ifndef WOLFSSL_NO_OPENSSL_AES_LOW_LEVEL_API
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#include <wolfssl/openssl/ssl.h> /* for size_t */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* This structure wrapper is done because there is no aes_new function with
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* OpenSSL compatibility layer. This makes code working with an AES structure
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* to need the size of the structure. */
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typedef struct WOLFSSL_AES_KEY {
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ALIGN16 void *buf[(sizeof(Aes) / sizeof(void *)) + 1];
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} WOLFSSL_AES_KEY;
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typedef WOLFSSL_AES_KEY AES_KEY;
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WOLFSSL_API int wolfSSL_AES_set_encrypt_key(
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const unsigned char *key, const int bits, AES_KEY *aes);
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WOLFSSL_API int wolfSSL_AES_set_decrypt_key(
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const unsigned char *key, const int bits, AES_KEY *aes);
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WOLFSSL_API void wolfSSL_AES_cbc_encrypt(
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const unsigned char *in, unsigned char* out, size_t len, AES_KEY *key,
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unsigned char* iv, const int enc);
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WOLFSSL_API void wolfSSL_AES_ecb_encrypt(
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const unsigned char *in, unsigned char* out, AES_KEY *key, const int enc);
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WOLFSSL_API void wolfSSL_AES_cfb128_encrypt(
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const unsigned char *in, unsigned char* out, size_t len, AES_KEY *key,
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unsigned char* iv, int* num, const int enc);
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WOLFSSL_API int wolfSSL_AES_wrap_key(
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AES_KEY *key, const unsigned char *iv, unsigned char *out,
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const unsigned char *in, unsigned int inlen);
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WOLFSSL_API int wolfSSL_AES_unwrap_key(
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AES_KEY *key, const unsigned char *iv, unsigned char *out,
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const unsigned char *in, unsigned int inlen);
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#define AES_cbc_encrypt wolfSSL_AES_cbc_encrypt
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#define AES_ecb_encrypt wolfSSL_AES_ecb_encrypt
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#define AES_cfb128_encrypt wolfSSL_AES_cfb128_encrypt
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#define AES_set_encrypt_key wolfSSL_AES_set_encrypt_key
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#define AES_set_decrypt_key wolfSSL_AES_set_decrypt_key
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#define AES_wrap_key wolfSSL_AES_wrap_key
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#define AES_unwrap_key wolfSSL_AES_unwrap_key
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#ifdef WOLFSSL_AES_DIRECT
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WOLFSSL_API void wolfSSL_AES_encrypt(
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const unsigned char* input, unsigned char* output, AES_KEY *key);
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WOLFSSL_API void wolfSSL_AES_decrypt(
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const unsigned char* input, unsigned char* output, AES_KEY *key);
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#define AES_encrypt wolfSSL_AES_encrypt
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#define AES_decrypt wolfSSL_AES_decrypt
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#endif /* WOLFSSL_AES_DIRECT */
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#ifndef AES_ENCRYPT
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#define AES_ENCRYPT AES_ENCRYPTION
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#endif
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#ifndef AES_DECRYPT
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#define AES_DECRYPT AES_DECRYPTION
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* !WOLFSSL_NO_OPENSSL_AES_LOW_LEVEL_API */
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#endif /* NO_AES */
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#endif /* WOLFSSL_AES_H_ */
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