1 /* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 /* 11 * MD2 low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <stdio.h> 17 #include "internal/cryptlib.h" 18 #include <openssl/mdc2.h> 19 MDC2(const unsigned char * d,size_t n,unsigned char * md)20unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md) 21 { 22 MDC2_CTX c; 23 static unsigned char m[MDC2_DIGEST_LENGTH]; 24 25 if (md == NULL) 26 md = m; 27 if (!MDC2_Init(&c)) 28 return NULL; 29 MDC2_Update(&c, d, n); 30 MDC2_Final(md, &c); 31 OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */ 32 return md; 33 } 34