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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