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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* AES
* (C) 1999-2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_AES_H__
#define BOTAN_AES_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* AES-128
*/
class BOTAN_DLL AES_128 : public Block_Cipher_Fixed_Params<16, 16>
{
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();
std::string name() const { return "AES-128"; }
BlockCipher* clone() const { return new AES_128; }
private:
void key_schedule(const byte key[], size_t length);
secure_vector<u32bit> EK, DK;
secure_vector<byte> ME, MD;
};
/**
* AES-192
*/
class BOTAN_DLL AES_192 : public Block_Cipher_Fixed_Params<16, 24>
{
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();
std::string name() const { return "AES-192"; }
BlockCipher* clone() const { return new AES_192; }
private:
void key_schedule(const byte key[], size_t length);
secure_vector<u32bit> EK, DK;
secure_vector<byte> ME, MD;
};
/**
* AES-256
*/
class BOTAN_DLL AES_256 : public Block_Cipher_Fixed_Params<16, 32>
{
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();
std::string name() const { return "AES-256"; }
BlockCipher* clone() const { return new AES_256; }
private:
void key_schedule(const byte key[], size_t length);
secure_vector<u32bit> EK, DK;
secure_vector<byte> ME, MD;
};
}
#endif
|
