1e1051a39Sopenharmony_ci/* 2e1051a39Sopenharmony_ci * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3e1051a39Sopenharmony_ci * 4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License"). You may not use 5e1051a39Sopenharmony_ci * this file except in compliance with the License. You can obtain a copy 6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at 7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html 8e1051a39Sopenharmony_ci */ 9e1051a39Sopenharmony_ci 10e1051a39Sopenharmony_ci/* 11e1051a39Sopenharmony_ci * MD2 low level APIs are deprecated for public use, but still ok for 12e1051a39Sopenharmony_ci * internal use. 13e1051a39Sopenharmony_ci */ 14e1051a39Sopenharmony_ci#include "internal/deprecated.h" 15e1051a39Sopenharmony_ci 16e1051a39Sopenharmony_ci#include <stdio.h> 17e1051a39Sopenharmony_ci#include "internal/cryptlib.h" 18e1051a39Sopenharmony_ci#include <openssl/md2.h> 19e1051a39Sopenharmony_ci 20e1051a39Sopenharmony_ci/* 21e1051a39Sopenharmony_ci * This is a separate file so that #defines in cryptlib.h can map my MD 22e1051a39Sopenharmony_ci * functions to different names 23e1051a39Sopenharmony_ci */ 24e1051a39Sopenharmony_ci 25e1051a39Sopenharmony_ciunsigned char *MD2(const unsigned char *d, size_t n, unsigned char *md) 26e1051a39Sopenharmony_ci{ 27e1051a39Sopenharmony_ci MD2_CTX c; 28e1051a39Sopenharmony_ci static unsigned char m[MD2_DIGEST_LENGTH]; 29e1051a39Sopenharmony_ci 30e1051a39Sopenharmony_ci if (md == NULL) 31e1051a39Sopenharmony_ci md = m; 32e1051a39Sopenharmony_ci if (!MD2_Init(&c)) 33e1051a39Sopenharmony_ci return NULL; 34e1051a39Sopenharmony_ci#ifndef CHARSET_EBCDIC 35e1051a39Sopenharmony_ci MD2_Update(&c, d, n); 36e1051a39Sopenharmony_ci#else 37e1051a39Sopenharmony_ci { 38e1051a39Sopenharmony_ci char temp[1024]; 39e1051a39Sopenharmony_ci unsigned long chunk; 40e1051a39Sopenharmony_ci 41e1051a39Sopenharmony_ci while (n > 0) { 42e1051a39Sopenharmony_ci chunk = (n > sizeof(temp)) ? sizeof(temp) : n; 43e1051a39Sopenharmony_ci ebcdic2ascii(temp, d, chunk); 44e1051a39Sopenharmony_ci MD2_Update(&c, temp, chunk); 45e1051a39Sopenharmony_ci n -= chunk; 46e1051a39Sopenharmony_ci d += chunk; 47e1051a39Sopenharmony_ci } 48e1051a39Sopenharmony_ci } 49e1051a39Sopenharmony_ci#endif 50e1051a39Sopenharmony_ci MD2_Final(md, &c); 51e1051a39Sopenharmony_ci OPENSSL_cleanse(&c, sizeof(c)); /* Security consideration */ 52e1051a39Sopenharmony_ci return md; 53e1051a39Sopenharmony_ci} 54