md2.h

00001 /* md2.h
00002  *
00003  * Copyright (C) 2006-2013 wolfSSL Inc.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL 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  * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 
00023 #ifdef CYASSL_MD2
00024 
00025 #ifndef CTAO_CRYPT_MD2_H
00026 #define CTAO_CRYPT_MD2_H
00027 
00028 #include <cyassl/ctaocrypt/types.h>
00029 
00030 #ifdef __cplusplus
00031     extern "C" {
00032 #endif
00033 
00034 
00035 /* in bytes */
00036 enum {
00037     MD2             =  6,    /* hash type unique */
00038     MD2_BLOCK_SIZE  = 16,
00039     MD2_DIGEST_SIZE = 16,
00040     MD2_PAD_SIZE    = 16,
00041     MD2_X_SIZE      = 48
00042 };
00043 
00044 
00045 /* Md2 digest */
00046 typedef struct Md2 {
00047     word32  count;   /* bytes % PAD_SIZE  */
00048     byte    X[MD2_X_SIZE];
00049     byte    C[MD2_BLOCK_SIZE];
00050     byte    buffer[MD2_BLOCK_SIZE];
00051 } Md2;
00052 
00053 
00054 CYASSL_API void InitMd2(Md2*);
00055 CYASSL_API void Md2Update(Md2*, const byte*, word32);
00056 CYASSL_API void Md2Final(Md2*, byte*);
00057 
00058 
00059 #ifdef __cplusplus
00060     } /* extern "C" */
00061 #endif
00062 
00063 #endif /* CTAO_CRYPT_MD2_H */
00064 #endif /* CYASSL_MD2 */