Botan  1.10.9
aes_ni.h
Go to the documentation of this file.
1 /*
2 * AES using AES-NI instructions
3 * (C) 2009 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7 
8 #ifndef BOTAN_AES_NI_H__
9 #define BOTAN_AES_NI_H__
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * AES-128 using AES-NI
17 */
18 class BOTAN_DLL AES_128_NI : public Block_Cipher_Fixed_Params<16, 16>
19  {
20  public:
21  size_t parallelism() const { return 4; }
22 
23  void encrypt_n(const byte in[], byte out[], size_t blocks) const;
24  void decrypt_n(const byte in[], byte out[], size_t blocks) const;
25 
26  void clear();
27  std::string name() const { return "AES-128"; }
28  BlockCipher* clone() const { return new AES_128_NI; }
29 
30  AES_128_NI() : EK(44), DK(44) { }
31  private:
32  void key_schedule(const byte[], size_t);
33 
34  SecureVector<u32bit> EK, DK;
35  };
36 
37 /**
38 * AES-192 using AES-NI
39 */
40 class BOTAN_DLL AES_192_NI : public Block_Cipher_Fixed_Params<16, 24>
41  {
42  public:
43  size_t parallelism() const { return 4; }
44 
45  void encrypt_n(const byte in[], byte out[], size_t blocks) const;
46  void decrypt_n(const byte in[], byte out[], size_t blocks) const;
47 
48  void clear();
49  std::string name() const { return "AES-192"; }
50  BlockCipher* clone() const { return new AES_192_NI; }
51 
52  AES_192_NI() : EK(52), DK(52) { }
53  private:
54  void key_schedule(const byte[], size_t);
55 
56  SecureVector<u32bit> EK, DK;
57  };
58 
59 /**
60 * AES-256 using AES-NI
61 */
62 class BOTAN_DLL AES_256_NI : public Block_Cipher_Fixed_Params<16, 32>
63  {
64  public:
65  size_t parallelism() const { return 4; }
66 
67  void encrypt_n(const byte in[], byte out[], size_t blocks) const;
68  void decrypt_n(const byte in[], byte out[], size_t blocks) const;
69 
70  void clear();
71  std::string name() const { return "AES-256"; }
72  BlockCipher* clone() const { return new AES_256_NI; }
73 
74  AES_256_NI() : EK(60), DK(60) { }
75  private:
76  void key_schedule(const byte[], size_t);
77 
78  SecureVector<u32bit> EK, DK;
79  };
80 
81 }
82 
83 #endif
size_t parallelism() const
Definition: aes_ni.h:21
size_t parallelism() const
Definition: aes_ni.h:65
std::string name() const
Definition: aes_ni.h:71
unsigned char byte
Definition: types.h:22
BlockCipher * clone() const
Definition: aes_ni.h:28
std::string name() const
Definition: aes_ni.h:27
std::string name() const
Definition: aes_ni.h:49
BlockCipher * clone() const
Definition: aes_ni.h:50
BlockCipher * clone() const
Definition: aes_ni.h:72
size_t parallelism() const
Definition: aes_ni.h:43