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94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
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/* hmac.h
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*
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* Copyright (C) 2006-2019 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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/* hmac.h defines mini hamc openssl compatibility layer
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*
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*/
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#ifndef WOLFSSL_HMAC_H_
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#define WOLFSSL_HMAC_H_
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#include <libwolfssl/wolfcrypt/settings.h>
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#ifdef WOLFSSL_PREFIX
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#include "prefix_hmac.h"
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#endif
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#include <libwolfssl/openssl/evp.h>
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#include <libwolfssl/openssl/opensslv.h>
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#include <libwolfssl/wolfcrypt/hmac.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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WOLFSSL_API unsigned char* wolfSSL_HMAC(const WOLFSSL_EVP_MD* evp_md,
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const void* key, int key_len,
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const unsigned char* d, int n, unsigned char* md,
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unsigned int* md_len);
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typedef struct WOLFSSL_HMAC_CTX {
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Hmac hmac;
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int type;
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word32 save_ipad[WC_HMAC_BLOCK_SIZE / sizeof(word32)]; /* same block size all*/
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word32 save_opad[WC_HMAC_BLOCK_SIZE / sizeof(word32)];
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} WOLFSSL_HMAC_CTX;
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WOLFSSL_API int wolfSSL_HMAC_CTX_Init(WOLFSSL_HMAC_CTX* ctx);
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WOLFSSL_API int wolfSSL_HMAC_CTX_copy(WOLFSSL_HMAC_CTX* des,
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WOLFSSL_HMAC_CTX* src);
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WOLFSSL_LOCAL int wolfSSL_HmacCopy(Hmac* des, Hmac* src);
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WOLFSSL_API int wolfSSL_HMAC_Init(WOLFSSL_HMAC_CTX* ctx, const void* key,
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int keylen, const EVP_MD* type);
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WOLFSSL_API int wolfSSL_HMAC_Init_ex(WOLFSSL_HMAC_CTX* ctx, const void* key,
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int keylen, const EVP_MD* type, WOLFSSL_ENGINE* e);
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WOLFSSL_API int wolfSSL_HMAC_Update(WOLFSSL_HMAC_CTX* ctx,
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const unsigned char* data, int len);
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WOLFSSL_API int wolfSSL_HMAC_Final(WOLFSSL_HMAC_CTX* ctx, unsigned char* hash,
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unsigned int* len);
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WOLFSSL_API int wolfSSL_HMAC_cleanup(WOLFSSL_HMAC_CTX* ctx);
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typedef struct WOLFSSL_HMAC_CTX HMAC_CTX;
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#define HMAC(a,b,c,d,e,f,g) wolfSSL_HMAC((a),(b),(c),(d),(e),(f),(g))
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#define HMAC_CTX_init wolfSSL_HMAC_CTX_Init
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#define HMAC_CTX_copy wolfSSL_HMAC_CTX_copy
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#define HMAC_Init_ex wolfSSL_HMAC_Init_ex
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#define HMAC_Init wolfSSL_HMAC_Init
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#define HMAC_Update wolfSSL_HMAC_Update
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#define HMAC_Final wolfSSL_HMAC_Final
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#define HMAC_cleanup wolfSSL_HMAC_cleanup
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLFSSL_HMAC_H_ */
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