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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
* MD2 low level APIs are deprecated for public use, but still ok for
* internal use.
#include "internal/deprecated.h"
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/md2.h>
* This is a separate file so that #defines in cryptlib.h can map my MD
* functions to different names
unsigned char *MD2(const unsigned char *d, size_t n, unsigned char *md)
MD2_CTX c;
static unsigned char m[MD2_DIGEST_LENGTH];
if (md == NULL)
md = m;
if (!MD2_Init(&c))
return NULL;
MD2_Update(&c, d, n);
char temp[1024];
unsigned long chunk;
while (n > 0) {
chunk = (n > sizeof(temp)) ? sizeof(temp) : n;
ebcdic2ascii(temp, d, chunk);
MD2_Update(&c, temp, chunk);
n -= chunk;
d += chunk;
MD2_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c)); /* Security consideration */
return md;