md2.h

00001 /* md2.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/md2.h
00024 */
00025 
00026 
00027 #ifndef WOLF_CRYPT_MD2_H
00028 #define WOLF_CRYPT_MD2_H
00029 
00030 #include <wolfcrypt/types.h>
00031 
00032 #ifdef WOLFSSL_MD2
00033 
00034 #ifdef __cplusplus
00035     extern "C" {
00036 #endif
00037 
00038 /* in bytes */
00039 enum {
00040     MD2             =  WC_HASH_TYPE_MD2,
00041     MD2_BLOCK_SIZE  = 16,
00042     MD2_DIGEST_SIZE = 16,
00043     MD2_PAD_SIZE    = 16,
00044     MD2_X_SIZE      = 48
00045 };
00046 
00047 
00048 /* Md2 digest */
00049 typedef struct Md2 {
00050     word32  count;   /* bytes % PAD_SIZE  */
00051     byte    X[MD2_X_SIZE];
00052     byte    C[MD2_BLOCK_SIZE];
00053     byte    buffer[MD2_BLOCK_SIZE];
00054 } Md2;
00055 
00056 
00057 WOLFSSL_API void wc_InitMd2(Md2*);
00058 WOLFSSL_API void wc_Md2Update(Md2*, const byte*, word32);
00059 WOLFSSL_API void wc_Md2Final(Md2*, byte*);
00060 WOLFSSL_API int  wc_Md2Hash(const byte*, word32, byte*);
00061 
00062 
00063 #ifdef __cplusplus
00064     } /* extern "C" */
00065 #endif
00066 
00067 #endif /* WOLFSSL_MD2 */
00068 #endif /* WOLF_CRYPT_MD2_H */
00069 
00070