1 /*
2 * MISTY1
3 * (C) 1999-2008 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7 
8 #ifndef BOTAN_MISTY1_H__
9 #define BOTAN_MISTY1_H__
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * MISTY1
17 */
18 class BOTAN_DLL MISTY1 : public Block_Cipher_Fixed_Params<8, 16>
19    {
20    public:
21       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
22       void decrypt_n(const byte in[], byte out[], size_t blocks) const;
23 
clear()24       void clear() { zeroise(EK); zeroise(DK); }
name()25       std::string name() const { return "MISTY1"; }
clone()26       BlockCipher* clone() const { return new MISTY1; }
27 
28       /**
29       * @param rounds the number of rounds. Must be 8 with the current
30       * implementation
31       */
32       MISTY1(size_t rounds = 8);
33    private:
34       void key_schedule(const byte[], size_t);
35 
36       SecureVector<u16bit> EK, DK;
37    };
38 
39 }
40 
41 #endif
42