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beecrypt/hmac.h

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00001 
00007 /*
00008  * Copyright (c) 1999, 2000, 2002 Virtual Unlimited B.V.
00009  *
00010  * Author: Bob Deblier <bob@virtualunlimited.com>
00011  *
00012  * This library is free software; you can redistribute it and/or
00013  * modify it under the terms of the GNU Lesser General Public
00014  * License as published by the Free Software Foundation; either
00015  * version 2.1 of the License, or (at your option) any later version.
00016  *
00017  * This library is distributed in the hope that it will be useful,
00018  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00019  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00020  * Lesser General Public License for more details.
00021  *
00022  * You should have received a copy of the GNU Lesser General Public
00023  * License along with this library; if not, write to the Free Software
00024  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00025  *
00026  */
00027 
00028 #ifndef _HMAC_H
00029 #define _HMAC_H
00030 
00031 #include "beecrypt.h"
00032 
00035 typedef struct
00036 {
00037         byte kxi[64];
00038         byte kxo[64];
00039 } hmacParam;
00040 
00041 #ifdef __cplusplus
00042 extern "C" {
00043 #endif
00044 
00047 BEECRYPTAPI
00048 int hmacSetup (hmacParam* hp, const hashFunction* hash, hashFunctionParam* param, const uint32* key, int keybits)
00049         /*@modifies hp */;
00050 
00053 BEECRYPTAPI
00054 int hmacReset (hmacParam* hp, const hashFunction* hash, hashFunctionParam* param)
00055         /*@modifies hp */;
00056 
00059 BEECRYPTAPI
00060 int hmacUpdate(hmacParam* hp, const hashFunction* hash, hashFunctionParam* param, const byte* data, int size)
00061         /*@modifies hp */;
00062 
00065 BEECRYPTAPI
00066 int hmacDigest(hmacParam* hp, const hashFunction* hash, hashFunctionParam* param, /*@out@*/ uint32* data)
00067         /*@modifies hp, data */;
00068 
00069 #ifdef __cplusplus
00070 }
00071 #endif
00072 
00073 #endif

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