Botan 3.8.1
Crypto and TLS for C&
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#include <botan/secmem.h>
13
14namespace Botan {
15
16/**
17* DES
18*/
19class DES final : public Block_Cipher_Fixed_Params<8, 8> {
20 public:
21 void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
22 void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
23
24 void clear() override;
25
26 std::string name() const override { return "DES"; }
27
28 std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<DES>(); }
29
30 bool has_keying_material() const override;
31
32 private:
33 void key_schedule(std::span<const uint8_t>) override;
34
35 secure_vector<uint32_t> m_round_key;
36};
37
38/**
39* Triple DES
40*/
41class TripleDES final : public Block_Cipher_Fixed_Params<8, 16, 24, 8> {
42 public:
43 void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
44 void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
45
46 void clear() override;
47
48 std::string name() const override { return "TripleDES"; }
49
50 std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<TripleDES>(); }
51
52 bool has_keying_material() const override;
53
54 private:
55 void key_schedule(std::span<const uint8_t>) override;
56
57 secure_vector<uint32_t> m_round_key;
58};
59
60} // namespace Botan
61
62#endif
std::unique_ptr< BlockCipher > new_object() const override
Definition des.h:28
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition des.cpp:249
void clear() override
Definition des.cpp:340
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition des.cpp:290
std::string name() const override
Definition des.h:26
bool has_keying_material() const override
Definition des.cpp:328
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition des.cpp:394
void clear() override
Definition des.cpp:457
std::unique_ptr< BlockCipher > new_object() const override
Definition des.h:50
bool has_keying_material() const override
Definition des.cpp:438
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition des.cpp:347
std::string name() const override
Definition des.h:48
std::vector< T, secure_allocator< T > > secure_vector
Definition secmem.h:65