include/openssl/hmac.h

   1 /*
   2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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
   8  */
   9
  10 #ifndef OPENSSL_HMAC_H
  11 # define OPENSSL_HMAC_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_HMAC_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # include <openssl/evp.h>
  22
  23 # ifndef OPENSSL_NO_DEPRECATED_3_0
  24 #  define HMAC_MAX_MD_CBLOCK      128    /* Deprecated */
  25 # endif
  26
  27 # ifdef  __cplusplus
  28 extern "C" {
  29 # endif
  30
  31 DEPRECATEDIN_3_0(size_t HMAC_size(const HMAC_CTX *e))
  32 DEPRECATEDIN_3_0(HMAC_CTX *HMAC_CTX_new(void))
  33 DEPRECATEDIN_3_0(int HMAC_CTX_reset(HMAC_CTX *ctx))
  34 DEPRECATEDIN_3_0(void HMAC_CTX_free(HMAC_CTX *ctx))
  35
  36 DEPRECATEDIN_1_1_0(__owur int HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
  37                                         const EVP_MD *md))
  38
  39 DEPRECATEDIN_3_0(int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
  40                                   const EVP_MD *md, ENGINE *impl))
  41 DEPRECATEDIN_3_0(int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
  42                                  size_t len))
  43 DEPRECATEDIN_3_0(int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
  44                                 unsigned int *len))
  45 DEPRECATEDIN_3_0(unsigned char *HMAC(const EVP_MD *evp_md, const void *key,
  46                                      int key_len, const unsigned char *d,
  47                                      size_t n, unsigned char *md,
  48                                      unsigned int *md_len))
  49 DEPRECATEDIN_3_0(__owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx))
  50
  51 DEPRECATEDIN_3_0(void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags))
  52 DEPRECATEDIN_3_0(const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx))
  53
  54 # ifdef  __cplusplus
  55 }
  56 # endif
  57
  58 #endif