57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/** \ingroup HMAC_sha256_m HMAC_m
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* \file hmacsha256.c
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*
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* HMAC-SHA-256 message authentication code, code.
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*/
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/*
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* Copyright (c) 2000, 2001, 2002 Virtual Unlimited B.V.
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*
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* Author: Bob Deblier <bob@virtualunlimited.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "system.h"
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#include "hmacsha256.h"
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#include "debug.h"
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/*@-sizeoftype@*/
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const keyedHashFunction hmacsha256 = { "HMAC-SHA-256", sizeof(hmacsha256Param), 64, 8 * sizeof(uint32), 64, 512, 32, (keyedHashFunctionSetup) hmacsha256Setup, (keyedHashFunctionReset) hmacsha256Reset, (keyedHashFunctionUpdate) hmacsha256Update, (keyedHashFunctionDigest) hmacsha256Digest };
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/*@=sizeoftype@*/
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/*@-type@*/
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int hmacsha256Setup (hmacsha256Param* sp, const uint32* key, int keybits)
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{
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return hmacSetup(&sp->hparam, &sha256, &sp->sparam, key, keybits);
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}
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int hmacsha256Reset (hmacsha256Param* sp)
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{
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return hmacReset(&sp->hparam, &sha256, &sp->sparam);
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}
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int hmacsha256Update(hmacsha256Param* sp, const byte* data, int size)
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{
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return hmacUpdate(&sp->hparam, &sha256, &sp->sparam, data, size);
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}
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int hmacsha256Digest(hmacsha256Param* sp, uint32* data)
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{
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return hmacDigest(&sp->hparam, &sha256, &sp->sparam, data);
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}
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/*@=type@*/
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