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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* PK Key Types
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/pk_keys.h>
#include <botan/internal/pk_ops.h>
#include <botan/der_enc.h>
#include <botan/oids.h>
#include <botan/hash.h>
#include <botan/hex.h>
namespace Botan {
/*
* Default OID access
*/
OID Public_Key::get_oid() const
{
try {
return OIDS::lookup(algo_name());
}
catch(Lookup_Error&)
{
throw Lookup_Error("PK algo " + algo_name() + " has no defined OIDs");
}
}
/*
* Run checks on a loaded public key
*/
void Public_Key::load_check(RandomNumberGenerator& rng) const
{
if(!check_key(rng, BOTAN_PUBLIC_KEY_STRONG_CHECKS_ON_LOAD))
throw Invalid_Argument("Invalid public key");
}
/*
* Run checks on a loaded private key
*/
void Private_Key::load_check(RandomNumberGenerator& rng) const
{
if(!check_key(rng, BOTAN_PRIVATE_KEY_STRONG_CHECKS_ON_LOAD))
throw Invalid_Argument("Invalid private key");
}
/*
* Run checks on a generated private key
*/
void Private_Key::gen_check(RandomNumberGenerator& rng) const
{
if(!check_key(rng, BOTAN_PRIVATE_KEY_STRONG_CHECKS_ON_GENERATE))
throw Self_Test_Failure("Private key generation failed");
}
/*
* Hash of the PKCS #8 encoding for this key object
*/
std::string Private_Key::fingerprint(const std::string& alg) const
{
secure_vector<byte> buf = pkcs8_private_key();
std::unique_ptr<HashFunction> hash(HashFunction::create(alg));
hash->update(buf);
const auto hex_print = hex_encode(hash->final());
std::string formatted_print;
for(size_t i = 0; i != hex_print.size(); i += 2)
{
formatted_print.push_back(hex_print[i]);
formatted_print.push_back(hex_print[i+1]);
if(i != hex_print.size() - 2)
formatted_print.push_back(':');
}
return formatted_print;
}
std::unique_ptr<PK_Ops::Encryption>
Public_Key::create_encryption_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support encryption");
}
std::unique_ptr<PK_Ops::KEM_Encryption>
Public_Key::create_kem_encryption_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support KEM encryption");
}
std::unique_ptr<PK_Ops::Verification>
Public_Key::create_verification_op(const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support verification");
}
std::unique_ptr<PK_Ops::Decryption>
Private_Key::create_decryption_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support decryption");
}
std::unique_ptr<PK_Ops::KEM_Decryption>
Private_Key::create_kem_decryption_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support KEM decryption");
}
std::unique_ptr<PK_Ops::Signature>
Private_Key::create_signature_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support signatures");
}
std::unique_ptr<PK_Ops::Key_Agreement>
Private_Key::create_key_agreement_op(RandomNumberGenerator& /*rng*/,
const std::string& /*params*/,
const std::string& /*provider*/) const
{
throw Lookup_Error(algo_name() + " does not support key agreement");
}
}
|
