68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/** \ingroup BC_m
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* \file blockmode.c
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*
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* Block cipher operation modes, code.
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*/
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/*
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* Copyright (c) 2000 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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#define BEECRYPT_DLL_EXPORT
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#include "blockmode.h"
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#include "mp32.h"
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int blockEncrypt(const blockCipher* bc, blockCipherParam* bp, cipherMode mode, int blocks, uint32* dst, const uint32* src)
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{
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if (bc->mode)
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{
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register const blockMode* bm = bc->mode+mode;
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if (bm)
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{
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register const blockModeEncrypt be = bm->encrypt;
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if (be)
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return be(bp, blocks, dst, src);
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}
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}
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return -1;
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}
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int blockDecrypt(const blockCipher* bc, blockCipherParam* bp, cipherMode mode, int blocks, uint32* dst, const uint32* src)
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{
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if (bc->mode)
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{
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register const blockMode* bm = bc->mode+mode;
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if (bm)
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{
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register const blockModeEncrypt bd = bm->decrypt;
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if (bd)
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return bd(bp, blocks, dst, src);
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}
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}
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return -1;
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}
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