include/openssl/mdc2.h

   1 /*
   2  * Copyright 1995-2016 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_MDC2_H
  11 # define OPENSSL_MDC2_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_MDC2_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_MDC2
  22 #  include <stdlib.h>
  23 #  include <openssl/des.h>
  24 #  ifdef  __cplusplus
  25 extern "C" {
  26 #  endif
  27
  28 #  define MDC2_BLOCK              8
  29 #  define MDC2_DIGEST_LENGTH      16
  30
  31 typedef struct mdc2_ctx_st {
  32     unsigned int num;
  33     unsigned char data[MDC2_BLOCK];
  34     DES_cblock h, hh;
  35     unsigned int pad_type;   /* either 1 or 2, default 1 */
  36 } MDC2_CTX;
  37
  38 int MDC2_Init(MDC2_CTX *c);
  39 int MDC2_Update(MDC2_CTX *c, const unsigned char *data, size_t len);
  40 int MDC2_Final(unsigned char *md, MDC2_CTX *c);
  41 unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md);
  42
  43 #  ifdef  __cplusplus
  44 }
  45 #  endif
  46 # endif
  47
  48 #endif