Botan  2.13.0
Crypto and TLS for C++11
des.h
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1 /*
2 * DES
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_DES_H_
9 #define BOTAN_DES_H_
10 
11 #include <botan/block_cipher.h>
12 
14 
15 namespace Botan {
16 
17 /**
18 * DES
19 */
21  {
22  public:
23  void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
24  void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
25 
26  void clear() override;
27  std::string name() const override { return "DES"; }
28  BlockCipher* clone() const override { return new DES; }
29  private:
30  void key_schedule(const uint8_t[], size_t) override;
31 
32  secure_vector<uint32_t> m_round_key;
33  };
34 
35 /**
36 * Triple DES
37 */
38 class BOTAN_PUBLIC_API(2,0) TripleDES final : public Block_Cipher_Fixed_Params<8, 16, 24, 8>
39  {
40  public:
41  void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
42  void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
43 
44  void clear() override;
45  std::string name() const override { return "TripleDES"; }
46  BlockCipher* clone() const override { return new TripleDES; }
47  private:
48  void key_schedule(const uint8_t[], size_t) override;
49 
50  secure_vector<uint32_t> m_round_key;
51  };
52 
53 /*
54 * DES Tables
55 */
56 extern const uint32_t DES_SPBOX1[256];
57 extern const uint32_t DES_SPBOX2[256];
58 extern const uint32_t DES_SPBOX3[256];
59 extern const uint32_t DES_SPBOX4[256];
60 extern const uint32_t DES_SPBOX5[256];
61 extern const uint32_t DES_SPBOX6[256];
62 extern const uint32_t DES_SPBOX7[256];
63 extern const uint32_t DES_SPBOX8[256];
64 
65 }
66 
67 #endif
std::string name() const override
Definition: des.h:27
const uint32_t DES_SPBOX6[256]
Definition: des_tab.cpp:237
const uint32_t DES_SPBOX7[256]
Definition: des_tab.cpp:282
BlockCipher * clone() const override
Definition: des.h:28
std::string name() const override
Definition: des.h:45
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
const uint32_t DES_SPBOX4[256]
Definition: des_tab.cpp:147
const uint32_t DES_SPBOX3[256]
Definition: des_tab.cpp:102
const uint32_t DES_SPBOX8[256]
Definition: des_tab.cpp:327
const uint32_t DES_SPBOX1[256]
Definition: des_tab.cpp:12
Definition: alg_id.cpp:13
BlockCipher * clone() const override
Definition: des.h:46
const uint32_t DES_SPBOX5[256]
Definition: des_tab.cpp:192
const uint32_t DES_SPBOX2[256]
Definition: des_tab.cpp:57
Definition: des.h:20
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:65
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:139