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/*
* Rivest's Package Tranform
*
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_AONT_PACKAGE_TRANSFORM_H__
#define BOTAN_AONT_PACKAGE_TRANSFORM_H__
#include <botan/block_cipher.h>
#include <botan/rng.h>
namespace Botan {
namespace AllOrNothingTransform {
/**
* Rivest's Package Tranform
* @arg rng the random number generator to use
* @arg cipher the block cipher to use
* @arg input the input data buffer
* @arg input_len the length of the input data in bytes
* @arg output the output data buffer (must be at least
* input_len + cipher->BLOCK_SIZE bytes long)
*/
void BOTAN_DLL package(RandomNumberGenerator& rng,
BlockCipher* cipher,
const byte input[], u32bit input_len,
byte output[]);
/**
* Rivest's Package Tranform (Inversion)
* @arg rng the random number generator to use
* @arg cipher the block cipher to use
* @arg input the input data buffer
* @arg input_len the length of the input data in bytes
* @arg output the output data buffer (must be at least
* input_len - cipher->BLOCK_SIZE bytes long)
*/
void BOTAN_DLL unpackage(BlockCipher* cipher,
const byte input[], u32bit input_len,
byte output[]);
}
}
#endif
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