93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/*
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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.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Encrypts multiple blocks in Electronic Code Book (ECB) mode.
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* @param bc blockcipher context
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* @param bp blockcipher parameters
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* @retval dst ciphertext data (aligned on a 32-bit boundary).
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* @param src cleartext data (aligned on a 32-bit boundary).
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* @param nblocks 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, /*@out@*/ uint32_t* dst, const uint32_t* src, size_t nblocks)
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/*@modifies bp, dst @*/;
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/**
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* Decrypts multiple blocks in Electronic Code Book (ECB) mode.
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* @param bc blockcipher context
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* @param bp blockcipher parameters
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* @retval dst ciphertext data (aligned on a 32-bit boundary).
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* @param src cleartext data (aligned on a 32-bit boundary).
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* @param nblocks 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 blockDecryptECB(const blockCipher* bc, blockCipherParam* bp, /*@out@*/ uint32_t* dst, const uint32_t* src, size_t nblocks)
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/*@modifies bp, dst @*/;
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/**
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* Encrypts multiple blocks in Cipher Block Chaining (CBC) mode.
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* @param bc blockcipher context
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* @param bp blockcipher parameters
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* @retval dst ciphertext data (aligned on a 32-bit boundary).
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* @param src cleartext data (aligned on a 32-bit boundary).
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* @param nblocks 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, /*@out@*/ uint32_t* dst, const uint32_t* src, size_t nblocks)
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/*@modifies bp, dst @*/;
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/**
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* Decrypts multiple blocks in Cipher Block Chaining (CBC) mode.
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* @param bc blockcipher context
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* @param bp blockcipher parameters
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* @retval dst ciphertext data (aligned on a 32-bit boundary).
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* @param src cleartext data (aligned on a 32-bit boundary).
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* @param nblocks 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 blockDecryptCBC(const blockCipher* bc, blockCipherParam* bp, /*@out@*/ uint32_t* dst, const uint32_t* src, size_t nblocks)
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/*@modifies bp, dst @*/;
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#ifdef __cplusplus
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}
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#endif
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#endif
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