xref: /freebsd/crypto/openssl/crypto/mdc2/mdc2_one.c (revision 148a8da8)
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 #include <openssl/mdc2.h>
13 
14 unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md)
15 {
16     MDC2_CTX c;
17     static unsigned char m[MDC2_DIGEST_LENGTH];
18 
19     if (md == NULL)
20         md = m;
21     if (!MDC2_Init(&c))
22         return NULL;
23     MDC2_Update(&c, d, n);
24     MDC2_Final(md, &c);
25     OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */
26     return md;
27 }
28