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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* Engine
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ENGINE_H__
#define BOTAN_ENGINE_H__
#include <botan/scan_name.h>
#include <botan/block_cipher.h>
#include <botan/stream_cipher.h>
#include <botan/hash.h>
#include <botan/mac.h>
#include <botan/pow_mod.h>
#include <utility>
#include <map>
#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
#include <botan/if_op.h>
#endif
#if defined(BOTAN_HAS_DSA)
#include <botan/dsa_op.h>
#endif
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
#include <botan/dh_op.h>
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
#include <botan/nr_op.h>
#endif
#if defined(BOTAN_HAS_ELGAMAL)
#include <botan/elg_op.h>
#endif
namespace Botan {
class Algorithm_Factory;
class Keyed_Filter;
/*
* Engine Base Class
*/
class BOTAN_DLL Engine
{
public:
virtual ~Engine() {}
virtual std::string provider_name() const = 0;
// Lookup functions
virtual BlockCipher*
find_block_cipher(const SCAN_Name&, Algorithm_Factory&) const
{ return 0; }
virtual StreamCipher*
find_stream_cipher(const SCAN_Name&, Algorithm_Factory&) const
{ return 0; }
virtual HashFunction*
find_hash(const SCAN_Name&, Algorithm_Factory&) const
{ return 0; }
virtual MessageAuthenticationCode*
find_mac(const SCAN_Name&, Algorithm_Factory&) const
{ return 0; }
virtual Modular_Exponentiator*
mod_exp(const BigInt&, Power_Mod::Usage_Hints) const
{ return 0; }
virtual Keyed_Filter* get_cipher(const std::string&,
Cipher_Dir,
Algorithm_Factory&)
{ return 0; }
#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
virtual IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&) const
{ return 0; }
#endif
#if defined(BOTAN_HAS_DSA)
virtual DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
const BigInt&) const
{ return 0; }
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
virtual NR_Operation* nr_op(const DL_Group&, const BigInt&,
const BigInt&) const
{ return 0; }
#endif
#if defined(BOTAN_HAS_ELGAMAL)
virtual ELG_Operation* elg_op(const DL_Group&, const BigInt&,
const BigInt&) const
{ return 0; }
#endif
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
virtual DH_Operation* dh_op(const DL_Group&, const BigInt&) const
{ return 0; }
#endif
};
}
#endif
|
