Viewing file:  md5_one.c (1.26 KB) -rw-r--r--
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/*
* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* MD5 low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include <string.h>
#include <openssl/md5.h>
#include <openssl/crypto.h>
#ifdef CHARSET_EBCDIC
# include <openssl/ebcdic.h>
#endif
unsigned char *MD5(const unsigned char *d, size_t n, unsigned char *md)
{
MD5_CTX c;
static unsigned char m[MD5_DIGEST_LENGTH];
if (md == NULL)
md = m;
if (!MD5_Init(&c))
return NULL;
#ifndef CHARSET_EBCDIC
MD5_Update(&c, d, n);
#else
{
char temp[1024];
unsigned long chunk;
while (n > 0) {
chunk = (n > sizeof(temp)) ? sizeof(temp) : n;
ebcdic2ascii(temp, d, chunk);
MD5_Update(&c, temp, chunk);
n -= chunk;
d += chunk;
}
}
#endif
MD5_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */
return md;
}
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