90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002 Virtual Unlimited B.V.
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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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/*!\file sha256.h
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* \brief SHA-256 hash function, headers.
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* \author Bob Deblier <bob.deblier@pandora.be>
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* \ingroup HASH_m HASH_sha256_m
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*/
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#ifndef _SHA256_H
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#define _SHA256_H
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#include "beecrypt.h"
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/** \ingroup HASH_sha256_m
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*/
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typedef struct
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{
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uint32_t h[8];
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uint32_t data[64];
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#if (MP_WBITS == 64)
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mpw length[1];
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#elif (MP_WBITS == 32)
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mpw length[2];
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#else
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# error
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#endif
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short offset;
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} sha256Param;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \ingroup HASH_sha256_m
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*/
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/*@observer@*/ /*@checked@*/
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extern BEECRYPTAPI const hashFunction sha256;
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/*@-exportlocal@*/
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/** \ingroup HASH_sha256_m
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*/
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BEECRYPTAPI
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void sha256Process(sha256Param* sp)
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/*@globals internalState @*/
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/*@modifies sp, internalState @*/;
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/** \ingroup HASH_sha256_m
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*/
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BEECRYPTAPI
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int sha256Reset (sha256Param* sp)
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/*@modifies sp @*/;
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/** \ingroup HASH_sha256_m
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*/
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BEECRYPTAPI
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int sha256Update (sha256Param* sp, const byte* data, size_t size)
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/*@globals internalState @*/
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/*@modifies sp, internalState @*/;
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/** \ingroup HASH_sha256_m
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*/
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BEECRYPTAPI
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int sha256Digest (sha256Param* sp, /*@out@*/ byte* data)
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/*@globals internalState @*/
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/*@modifies sp, data, internalState @*/;
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/*@=exportlocal@*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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