2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 # define HEADER_HMAC_H
13 # include <openssl/opensslconf.h>
15 # include <openssl/evp.h>
17 # define HMAC_MAX_MD_CBLOCK 128/* largest known is SHA512 */
23 size_t HMAC_size(const HMAC_CTX *e);
24 HMAC_CTX *HMAC_CTX_new(void);
25 int HMAC_CTX_reset(HMAC_CTX *ctx);
26 void HMAC_CTX_free(HMAC_CTX *ctx);
28 DEPRECATEDIN_1_1_0(__owur int HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
31 /*__owur*/ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
32 const EVP_MD *md, ENGINE *impl);
33 /*__owur*/ int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
35 /*__owur*/ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
37 unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
38 const unsigned char *d, size_t n, unsigned char *md,
39 unsigned int *md_len);
40 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
42 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
43 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);