blob: 737970b29b52dc366b94d9e99f5743592ce103dd (
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
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 BlockCipher
{
public:
void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
void clear() { zeroise(EK); zeroise(DK); }
std::string name() const { return "IDEA"; }
BlockCipher* clone() const { return new IDEA; }
IDEA() : BlockCipher(8, 16) {}
protected:
/**
* @return const reference to encryption subkeys
*/
const SecureVector<u16bit, 52>& get_EK() const { return EK; }
/**
* @return const reference to decryption subkeys
*/
const SecureVector<u16bit, 52>& get_DK() const { return DK; }
private:
void key_schedule(const byte[], u32bit);
SecureVector<u16bit, 52> EK, DK;
};
}
#endif
|
