md2.h

00001 /* md2.h
00002  *
00003  * Copyright (C) 2006-2016 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 #ifndef WOLF_CRYPT_MD2_H
00024 #define WOLF_CRYPT_MD2_H
00025 
00026 #include <wolfssl/wolfcrypt/types.h>
00027 
00028 #ifdef WOLFSSL_MD2
00029 
00030 #ifdef __cplusplus
00031     extern "C" {
00032 #endif
00033 
00034 /* in bytes */
00035 enum {
00036     MD2             =  6,    /* hash type unique */
00037     MD2_BLOCK_SIZE  = 16,
00038     MD2_DIGEST_SIZE = 16,
00039     MD2_PAD_SIZE    = 16,
00040     MD2_X_SIZE      = 48
00041 };
00042 
00043 
00044 /* Md2 digest */
00045 typedef struct Md2 {
00046     word32  count;   /* bytes % PAD_SIZE  */
00047     byte    X[MD2_X_SIZE];
00048     byte    C[MD2_BLOCK_SIZE];
00049     byte    buffer[MD2_BLOCK_SIZE];
00050 } Md2;
00051 
00052 
00053 WOLFSSL_API void wc_InitMd2(Md2*);
00054 WOLFSSL_API void wc_Md2Update(Md2*, const byte*, word32);
00055 WOLFSSL_API void wc_Md2Final(Md2*, byte*);
00056 WOLFSSL_API int  wc_Md2Hash(const byte*, word32, byte*);
00057 
00058 
00059 #ifdef __cplusplus
00060     } /* extern "C" */
00061 #endif
00062 
00063 #endif /* WOLFSSL_MD2 */
00064 #endif /* WOLF_CRYPT_MD2_H */
00065 
00066