crypto/evp/m_md5.c

   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 #include <stdio.h>
  11 #include "internal/cryptlib.h"
  12
  13 #ifndef OPENSSL_NO_MD5
  14
  15 # include <openssl/evp.h>
  16 # include <openssl/objects.h>
  17 # include <openssl/x509.h>
  18 # include <openssl/md5.h>
  19 # include <openssl/rsa.h>
  20 # include "internal/evp_int.h"
  21
  22 static int init(EVP_MD_CTX *ctx)
  23 {
  24     return MD5_Init(EVP_MD_CTX_md_data(ctx));
  25 }
  26
  27 static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
  28 {
  29     return MD5_Update(EVP_MD_CTX_md_data(ctx), data, count);
  30 }
  31
  32 static int final(EVP_MD_CTX *ctx, unsigned char *md)
  33 {
  34     return MD5_Final(md, EVP_MD_CTX_md_data(ctx));
  35 }
  36
  37 static const EVP_MD md5_md = {
  38     NID_md5,
  39     NID_md5WithRSAEncryption,
  40     MD5_DIGEST_LENGTH,
  41     0,
  42     init,
  43     update,
  44     final,
  45     NULL,
  46     NULL,
  47     MD5_CBLOCK,
  48     sizeof(EVP_MD *) + sizeof(MD5_CTX),
  49 };
  50
  51 const EVP_MD *EVP_md5(void)
  52 {
  53     return (&md5_md);
  54 }
  55 #endif