blob: 11a62badb82c0150b3311d8ba3d74e4080516bf2 (
plain)
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
|
/*
* RC5
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_RC5_H__
#define BOTAN_RC5_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* RC5
*/
class BOTAN_DLL RC5 : public BlockCipher
{
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(S); }
std::string name() const;
BlockCipher* clone() const { return new RC5(ROUNDS); }
/**
* @param rounds the number of RC5 rounds to run. Must be between
* 8 and 32 and a multiple of 4.
*/
RC5(size_t rounds);
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> S;
const size_t ROUNDS;
};
}
#endif
|
