md4.h

00001 /* md4.h
00002  *
00003  * Copyright (C) 2006-2017 wolfSSL Inc.
00004  *
00005  * This file is part of wolfSSL.
00006  *
00007  * wolfSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * wolfSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
00020  */
00021 
00022 /*!
00023     \file wolfssl/wolfcrypt/md4.h
00024 */
00025 
00026 #ifndef WOLF_CRYPT_MD4_H
00027 #define WOLF_CRYPT_MD4_H
00028 
00029 #include <wolfcrypt/types.h>
00030 
00031 #ifndef NO_MD4
00032 
00033 #ifdef __cplusplus
00034     extern "C" {
00035 #endif
00036 
00037 /* in bytes */
00038 enum {
00039     MD4             =  WC_HASH_TYPE_MD4,
00040     MD4_BLOCK_SIZE  = 64,
00041     MD4_DIGEST_SIZE = 16,
00042     MD4_PAD_SIZE    = 56
00043 };
00044 
00045 
00046 /* MD4 digest */
00047 typedef struct Md4 {
00048     word32  buffLen;   /* in bytes          */
00049     word32  loLen;     /* length in bytes   */
00050     word32  hiLen;     /* length in bytes   */
00051     word32  digest[MD4_DIGEST_SIZE / sizeof(word32)];
00052     word32  buffer[MD4_BLOCK_SIZE  / sizeof(word32)];
00053 } Md4;
00054 
00055 
00056 WOLFSSL_API void wc_InitMd4(Md4*);
00057 WOLFSSL_API void wc_Md4Update(Md4*, const byte*, word32);
00058 WOLFSSL_API void wc_Md4Final(Md4*, byte*);
00059 
00060 
00061 #ifdef __cplusplus
00062     } /* extern "C" */
00063 #endif
00064 
00065 #endif /* NO_MD4 */
00066 #endif /* WOLF_CRYPT_MD4_H */
00067 
00068