Botan 1.10.17

safer_sk.h
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1 /*
2 * SAFER-SK
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7
8 #ifndef BOTAN_SAFER_SK_H__
9 #define BOTAN_SAFER_SK_H__
10
11 #include <botan/block_cipher.h>
12
13 namespace Botan {
14
15 /**
16 * SAFER-SK
17 */
18 class BOTAN_DLL SAFER_SK : 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
24 void clear() { zeroise(EK); }
25 std::string name() const;
26 BlockCipher* clone() const;
27
28 /**
29 * @param rounds the number of rounds to use - must be between 1
30 * and 13
31 */
32 SAFER_SK(size_t rounds);
33 private:
34 size_t get_rounds() const { return (EK.size() - 8) / 16; }
35 void key_schedule(const byte[], size_t);
36
37 SecureVector<byte> EK;
38 };
39
40 }
41
42 #endif
Botan::byte
unsigned char byte
Definition: types.h:22
Botan::SAFER_SK
Definition: safer_sk.h:18
Botan
Definition: algo_base.h:14
Botan::SAFER_SK::clear
void clear()
Definition: safer_sk.h:24
Botan::Block_Cipher_Fixed_Params
Definition: block_cipher.h:104
Botan::zeroise
void zeroise(MemoryRegion< T > &vec)
Definition: secmem.h:428
Botan::BlockCipher
Definition: block_cipher.h:18