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
|
/**
* Dynamically Loaded Engine
* (C) 2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/engine.h>
namespace Botan {
/**
* Dynamically_Loaded_Engine just proxies the requests to the underlying
* Engine object, and handles load/unload details
*/
class BOTAN_DLL Dynamically_Loaded_Engine : public Engine
{
public:
/**
* @param lib_path full pathname to DLL to load
*/
Dynamically_Loaded_Engine(const std::string& lib_path);
~Dynamically_Loaded_Engine();
std::string provider_name() const { return engine->provider_name(); }
BlockCipher* find_block_cipher(const SCAN_Name& algo_spec,
Algorithm_Factory& af) const
{
return engine->find_block_cipher(algo_spec, af);
}
StreamCipher* find_stream_cipher(const SCAN_Name& algo_spec,
Algorithm_Factory& af) const
{
return engine->find_stream_cipher(algo_spec, af);
}
HashFunction* find_hash(const SCAN_Name& algo_spec,
Algorithm_Factory& af) const
{
return engine->find_hash(algo_spec, af);
}
MessageAuthenticationCode* find_mac(const SCAN_Name& algo_spec,
Algorithm_Factory& af) const
{
return engine->find_mac(algo_spec, af);
}
Modular_Exponentiator* mod_exp(const BigInt& n,
Power_Mod::Usage_Hints hints) const
{
return engine->mod_exp(n, hints);
}
Keyed_Filter* get_cipher(const std::string& algo_spec,
Cipher_Dir dir,
Algorithm_Factory& af)
{
return engine->get_cipher(algo_spec, dir, af);
}
PK_Ops::Key_Agreement*
get_key_agreement_op(const Private_Key& key) const
{
return engine->get_key_agreement_op(key);
}
PK_Ops::Signature*
get_signature_op(const Private_Key& key) const
{
return engine->get_signature_op(key);
}
PK_Ops::Verification*
get_verify_op(const Public_Key& key) const
{
return engine->get_verify_op(key);
}
PK_Ops::Encryption*
get_encryption_op(const Public_Key& key) const
{
return engine->get_encryption_op(key);
}
PK_Ops::Decryption*
get_decryption_op(const Private_Key& key) const
{
return engine->get_decryption_op(key);
}
private:
class Dynamically_Loaded_Library* lib;
Engine* engine;
};
}
|
