/usr/include/botan-1.10/botan/idea.h is in libbotan1.10-dev 1.10.12-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /*
* IDEA
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_IDEA_H__
#define BOTAN_IDEA_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* IDEA
*/
class BOTAN_DLL IDEA : public Block_Cipher_Fixed_Params<8, 16>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(EK); zeroise(DK); }
std::string name() const { return "IDEA"; }
BlockCipher* clone() const { return new IDEA; }
IDEA() : EK(52), DK(52) {}
protected:
/**
* @return const reference to encryption subkeys
*/
const SecureVector<u16bit>& get_EK() const { return EK; }
/**
* @return const reference to decryption subkeys
*/
const SecureVector<u16bit>& get_DK() const { return DK; }
private:
void key_schedule(const byte[], size_t);
SecureVector<u16bit> EK, DK;
};
}
#endif
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