include/openssl/md5.h

0001 /*
0002  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
0003  *
0004  * Licensed under the Apache License 2.0 (the "License").  You may not use
0005  * this file except in compliance with the License.  You can obtain a copy
0006  * in the file LICENSE in the source distribution or at
0007  * https://www.openssl.org/source/license.html
0008  */
0009
0010 #ifndef OPENSSL_MD5_H
0011 # define OPENSSL_MD5_H
0012 # pragma once
0013
0014 # include <openssl/macros.h>
0015 # ifndef OPENSSL_NO_DEPRECATED_3_0
0016 #  define HEADER_MD5_H
0017 # endif
0018
0019 # include <openssl/opensslconf.h>
0020
0021 # ifndef OPENSSL_NO_MD5
0022 #  include <openssl/e_os2.h>
0023 #  include <stddef.h>
0024 #  ifdef  __cplusplus
0025 extern "C" {
0026 #  endif
0027
0028 #  define MD5_DIGEST_LENGTH 16
0029
0030 #  if !defined(OPENSSL_NO_DEPRECATED_3_0)
0031 /*
0032  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
0033  * ! MD5_LONG has to be at least 32 bits wide.                     !
0034  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
0035  */
0036 #   define MD5_LONG unsigned int
0037
0038 #   define MD5_CBLOCK      64
0039 #   define MD5_LBLOCK      (MD5_CBLOCK/4)
0040
0041 typedef struct MD5state_st {
0042     MD5_LONG A, B, C, D;
0043     MD5_LONG Nl, Nh;
0044     MD5_LONG data[MD5_LBLOCK];
0045     unsigned int num;
0046 } MD5_CTX;
0047 #  endif
0048 #  ifndef OPENSSL_NO_DEPRECATED_3_0
0049 OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
0050 OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
0051 OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
0052 OSSL_DEPRECATEDIN_3_0 unsigned char *MD5(const unsigned char *d, size_t n,
0053                                          unsigned char *md);
0054 OSSL_DEPRECATEDIN_3_0 void MD5_Transform(MD5_CTX *c, const unsigned char *b);
0055 #  endif
0056
0057 #  ifdef  __cplusplus
0058 }
0059 #  endif
0060 # endif
0061
0062 #endif