1 | /*
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2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef HEADER_HMAC_H
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11 | # define HEADER_HMAC_H
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12 |
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13 | # include <openssl/opensslconf.h>
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14 |
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15 | # include <openssl/evp.h>
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16 |
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17 | # define HMAC_MAX_MD_CBLOCK 128/* largest known is SHA512 */
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18 |
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19 | #ifdef __cplusplus
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20 | extern "C" {
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21 | #endif
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22 |
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23 | size_t HMAC_size(const HMAC_CTX *e);
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24 | HMAC_CTX *HMAC_CTX_new(void);
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25 | int HMAC_CTX_reset(HMAC_CTX *ctx);
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26 | void HMAC_CTX_free(HMAC_CTX *ctx);
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27 |
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28 | DEPRECATEDIN_1_1_0(__owur int HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
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29 | const EVP_MD *md))
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30 |
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31 | /*__owur*/ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
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32 | const EVP_MD *md, ENGINE *impl);
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33 | /*__owur*/ int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
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34 | size_t len);
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35 | /*__owur*/ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
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36 | unsigned int *len);
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37 | unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
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38 | const unsigned char *d, size_t n, unsigned char *md,
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39 | unsigned int *md_len);
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40 | __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
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41 |
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42 | void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
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43 | const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
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44 |
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45 | #ifdef __cplusplus
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46 | }
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47 | #endif
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48 |
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49 | #endif
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