/usr/include/botan-1.10/botan/serpent.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 48 49 50 51 52 53 | /*
* Serpent
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_SERPENT_H__
#define BOTAN_SERPENT_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* Serpent, an AES finalist
*/
class BOTAN_DLL Serpent : public Block_Cipher_Fixed_Params<16, 16, 32, 8>
{
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(round_key); }
std::string name() const { return "Serpent"; }
BlockCipher* clone() const { return new Serpent; }
Serpent() : round_key(132) {}
protected:
/**
* For use by subclasses using SIMD, asm, etc
* @return const reference to the key schedule
*/
const SecureVector<u32bit>& get_round_keys() const
{ return round_key; }
/**
* For use by subclasses that implement the key schedule
* @param ks is the new key schedule value to set
*/
void set_round_keys(const u32bit ks[132])
{
copy_mem(&round_key[0], ks, 132);
}
private:
void key_schedule(const byte key[], size_t length);
SecureVector<u32bit> round_key;
};
}
#endif
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