include/openssl/md5.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_MD5_H
  11 # define OPENSSL_MD5_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_MD5_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_MD5
  22 #  include <openssl/e_os2.h>
  23 #  include <stddef.h>
  24 #  ifdef  __cplusplus
  25 extern "C" {
  26 #  endif
  27
  28 #  define MD5_DIGEST_LENGTH 16
  29
  30 #  if !defined(OPENSSL_NO_DEPRECATED_3_0)
  31 /*
  32  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  33  * ! MD5_LONG has to be at least 32 bits wide.                     !
  34  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  35  */
  36 #   define MD5_LONG unsigned int
  37
  38 #   define MD5_CBLOCK      64
  39 #   define MD5_LBLOCK      (MD5_CBLOCK/4)
  40
  41 typedef struct MD5state_st {
  42     MD5_LONG A, B, C, D;
  43     MD5_LONG Nl, Nh;
  44     MD5_LONG data[MD5_LBLOCK];
  45     unsigned int num;
  46 } MD5_CTX;
  47 #  endif
  48 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  49 OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
  50 OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
  51 OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
  52 OSSL_DEPRECATEDIN_3_0 unsigned char *MD5(const unsigned char *d, size_t n,
  53                                          unsigned char *md);
  54 OSSL_DEPRECATEDIN_3_0 void MD5_Transform(MD5_CTX *c, const unsigned char *b);
  55 #  endif
  56
  57 #  ifdef  __cplusplus
  58 }
  59 #  endif
  60 # endif
  61
  62 #endif