93 lines
3.7 KiB
C
93 lines
3.7 KiB
C
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/*
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* Copyright (c) 2000, 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 blockmode.h
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* \brief Blockcipher operation modes.
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* \todo Additional modes, such as CFB and OFB.
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* \author Bob Deblier <bob.deblier@pandora.be>
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* \ingroup BC_m
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*/
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#ifndef _BLOCKMODE_H
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#define _BLOCKMODE_H
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#include "beecrypt/beecrypt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!\fn int blockEncryptECB(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks)
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* \brief This function encrypts a number of data blocks in Electronic Code
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* Book mode.
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* \param bc The blockcipher.
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* \param bp The cipher's parameter block.
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* \param dst The ciphertext data; should be aligned on a 32-bit boundary.
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* \param src The cleartext data; should be aligned on a 32-bit boundary.
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* \param nblocks The number of blocks to be encrypted.
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* \retval 0 on success.
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*/
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BEECRYPTAPI
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int blockEncryptECB(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks);
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/*!\fn int blockDecryptECB(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks)
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* \brief This function decrypts a number of data blocks in Electronic Code
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* Book mode.
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* \param bc The blockcipher.
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* \param bp The cipher's parameter block.
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* \param dst The cleartext data; should be aligned on a 32-bit boundary.
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* \param src The ciphertext data; should be aligned on a 32-bit boundary.
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* \param nblocks The number of blocks to be decrypted.
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* \retval 0 on success.
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*/
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BEECRYPTAPI
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int blockDecryptECB(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks);
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/*!\fn int blockEncryptCBC(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks)
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* \brief This function encrypts a number of data blocks in Cipher Block
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* Chaining mode.
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* \param bc The blockcipher.
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* \param bp The cipher's parameter block.
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* \param dst The ciphertext data; should be aligned on a 32-bit boundary.
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* \param src The cleartext data; should be aligned on a 32-bit boundary.
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* \param nblocks The number of blocks to be encrypted.
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* \retval 0 on success.
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*/
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BEECRYPTAPI
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int blockEncryptCBC(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks);
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/*!\fn int blockDecryptCBC(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks)
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* \brief This function decrypts a number of data blocks in Cipher Block
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* Chaining mode.
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* \param bc The blockcipher.
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* \param bp The cipher's parameter block.
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* \param dst The cleartext data; should be aligned on a 32-bit boundary.
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* \param src The ciphertext data; should be aligned on a 32-bit boundary.
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* \param nblocks The number of blocks to be decrypted.
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* \retval 0 on success.
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*/
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BEECRYPTAPI
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int blockDecryptCBC(const blockCipher* bc, blockCipherParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks);
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#ifdef __cplusplus
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}
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#endif
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#endif
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