Cryptlib/OpenSSL/crypto/hmac/hmac_lcl.h

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   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
   8  */
   9
  10 #ifndef HEADER_HMAC_LCL_H
  11 # define HEADER_HMAC_LCL_H
  12
  13 #ifdef  __cplusplus
  14 extern "C" {
  15 #endif
  16 #if 0                            /* emacs indentation fix */
  17 }
  18 #endif
  19
  20 struct hmac_ctx_st {
  21     const EVP_MD *md;
  22     EVP_MD_CTX *md_ctx;
  23     EVP_MD_CTX *i_ctx;
  24     EVP_MD_CTX *o_ctx;
  25     unsigned int key_length;
  26     unsigned char key[HMAC_MAX_MD_CBLOCK];
  27 };
  28
  29 #ifdef __cplusplus
  30 } /* extern "C" */
  31 #endif
  32
  33 #endif