blob: a8585c1549c8a56921da43be65cc342ee34d27c1 (
plain)
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
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* PK Key Types
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PK_KEYS_H__
#define BOTAN_PK_KEYS_H__
#include <botan/secmem.h>
#include <botan/asn1_oid.h>
#include <botan/alg_id.h>
#include <botan/rng.h>
namespace Botan {
/**
* Public Key Base Class.
*/
class BOTAN_DLL Public_Key
{
public:
/**
* Get the name of the underlying public key scheme.
* @return name of the public key scheme
*/
virtual std::string algo_name() const = 0;
/**
* Return the estimated strength of the underlying key against
* the best currently known attack. Note that this ignores anything
* but pure attacks against the key itself and do not take into
* account padding schemes, usage mistakes, etc which might reduce
* the strength. However it does suffice to provide an upper bound.
*
* @return estimated strength in bits
*/
virtual size_t estimated_strength() const = 0;
/**
* Get the OID of the underlying public key scheme.
* @return OID of the public key scheme
*/
virtual OID get_oid() const;
/**
* Test the key values for consistency.
* @param rng rng to use
* @param strong whether to perform strong and lengthy version
* of the test
* @return true if the test is passed
*/
virtual bool check_key(RandomNumberGenerator& rng,
bool strong) const = 0;
/**
* Find out the number of message parts supported by this scheme.
* @return number of message parts
*/
virtual size_t message_parts() const { return 1; }
/**
* Find out the message part size supported by this scheme/key.
* @return size of the message parts in bits
*/
virtual size_t message_part_size() const { return 0; }
/**
* Get the maximum message size in bits supported by this public key.
* @return maximum message size in bits
*/
virtual size_t max_input_bits() const = 0;
/**
* @return X.509 AlgorithmIdentifier for this key
*/
virtual AlgorithmIdentifier algorithm_identifier() const = 0;
/**
* @return X.509 subject key encoding for this key object
*/
virtual std::vector<byte> x509_subject_public_key() const = 0;
virtual ~Public_Key() {}
protected:
/**
* Self-test after loading a key
* @param rng a random number generator
*/
virtual void load_check(RandomNumberGenerator& rng) const;
};
/**
* Private Key Base Class
*/
class BOTAN_DLL Private_Key : public virtual Public_Key
{
public:
/**
* @return PKCS #8 private key encoding for this key object
*/
virtual secure_vector<byte> pkcs8_private_key() const = 0;
/**
* @return PKCS #8 AlgorithmIdentifier for this key
* Might be different from the X.509 identifier, but normally is not
*/
virtual AlgorithmIdentifier pkcs8_algorithm_identifier() const
{ return algorithm_identifier(); }
protected:
/**
* Self-test after loading a key
* @param rng a random number generator
*/
void load_check(RandomNumberGenerator& rng) const;
/**
* Self-test after generating a key
* @param rng a random number generator
*/
void gen_check(RandomNumberGenerator& rng) const;
};
/**
* PK Secret Value Derivation Key
*/
class BOTAN_DLL PK_Key_Agreement_Key : public virtual Private_Key
{
public:
/*
* @return public component of this key
*/
virtual std::vector<byte> public_value() const = 0;
virtual ~PK_Key_Agreement_Key() {}
};
/*
* Typedefs
*/
typedef PK_Key_Agreement_Key PK_KA_Key;
typedef Public_Key X509_PublicKey;
typedef Private_Key PKCS8_PrivateKey;
}
#endif
|
