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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/*
* X.509 Certificates
* (C) 1999-2007,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_X509_CERTS_H__
#define BOTAN_X509_CERTS_H__
#include <botan/x509_obj.h>
#include <botan/x509_dn.h>
#include <botan/x509_key.h>
#include <botan/x509_ext.h>
#include <botan/asn1_alt_name.h>
#include <botan/datastor.h>
#include <botan/key_constraint.h>
#include <botan/name_constraint.h>
#include <map>
#include <memory>
namespace Botan {
enum class Usage_Type
{
UNSPECIFIED, // no restrictions
TLS_SERVER_AUTH,
TLS_CLIENT_AUTH,
CERTIFICATE_AUTHORITY,
OCSP_RESPONDER
};
/**
* This class represents X.509 Certificate
*/
class BOTAN_DLL X509_Certificate : public X509_Object
{
public:
/**
* Get the public key associated with this certificate.
* @return subject public key of this certificate
*/
Public_Key* subject_public_key() const;
/**
* Get the public key associated with this certificate.
* @return subject public key of this certificate
*/
std::vector<byte> subject_public_key_bits() const;
/**
* Get the certificate's issuer distinguished name (DN).
* @return issuer DN of this certificate
*/
X509_DN issuer_dn() const;
/**
* Get the certificate's subject distinguished name (DN).
* @return subject DN of this certificate
*/
X509_DN subject_dn() const;
/**
* Get a value for a specific subject_info parameter name.
* @param name the name of the parameter to look up. Possible names are
* "X509.Certificate.version", "X509.Certificate.serial",
* "X509.Certificate.start", "X509.Certificate.end",
* "X509.Certificate.v2.key_id", "X509.Certificate.public_key",
* "X509v3.BasicConstraints.path_constraint",
* "X509v3.BasicConstraints.is_ca", "X509v3.NameConstraints",
* "X509v3.ExtendedKeyUsage", "X509v3.CertificatePolicies",
* "X509v3.SubjectKeyIdentifier" or "X509.Certificate.serial".
* @return value(s) of the specified parameter
*/
std::vector<std::string> subject_info(const std::string& name) const;
/**
* Get a value for a specific subject_info parameter name.
* @param name the name of the parameter to look up. Possible names are
* "X509.Certificate.v2.key_id" or "X509v3.AuthorityKeyIdentifier".
* @return value(s) of the specified parameter
*/
std::vector<std::string> issuer_info(const std::string& name) const;
/**
* Raw subject DN
*/
std::vector<byte> raw_issuer_dn() const;
/**
* Raw issuer DN
*/
std::vector<byte> raw_subject_dn() const;
/**
* Get the notBefore of the certificate.
* @return notBefore of the certificate
*/
std::string start_time() const;
/**
* Get the notAfter of the certificate.
* @return notAfter of the certificate
*/
std::string end_time() const;
/**
* Get the X509 version of this certificate object.
* @return X509 version
*/
u32bit x509_version() const;
/**
* Get the serial number of this certificate.
* @return certificates serial number
*/
std::vector<byte> serial_number() const;
/**
* Get the DER encoded AuthorityKeyIdentifier of this certificate.
* @return DER encoded AuthorityKeyIdentifier
*/
std::vector<byte> authority_key_id() const;
/**
* Get the DER encoded SubjectKeyIdentifier of this certificate.
* @return DER encoded SubjectKeyIdentifier
*/
std::vector<byte> subject_key_id() const;
/**
* Check whether this certificate is self signed.
* @return true if this certificate is self signed
*/
bool is_self_signed() const { return m_self_signed; }
/**
* Check whether this certificate is a CA certificate.
* @return true if this certificate is a CA certificate
*/
bool is_CA_cert() const;
bool allowed_usage(Key_Constraints usage) const;
/**
* Returns true if and only if name (referring to an extended key
* constraint, eg "PKIX.ServerAuth") is included in the extended
* key extension.
*/
bool allowed_usage(const std::string& usage) const;
bool allowed_usage(Usage_Type usage) const;
/**
* Get the path limit as defined in the BasicConstraints extension of
* this certificate.
* @return path limit
*/
u32bit path_limit() const;
/**
* Check whenever a given X509 Extension is marked critical in this
* certificate.
*/
bool is_critical(const std::string& ex_name) const;
/**
* Get the key constraints as defined in the KeyUsage extension of this
* certificate.
* @return key constraints
*/
Key_Constraints constraints() const;
/**
* Get the key constraints as defined in the ExtendedKeyUsage
* extension of this certificate.
* @return key constraints
*/
std::vector<std::string> ex_constraints() const;
/**
* Get the name constraints as defined in the NameConstraints
* extension of this certificate.
* @return name constraints
*/
NameConstraints name_constraints() const;
/**
* Get the policies as defined in the CertificatePolicies extension
* of this certificate.
* @return certificate policies
*/
std::vector<std::string> policies() const;
/**
* Get all extensions of this certificate.
* @return certificate extensions
*/
Extensions v3_extensions() const;
/**
* Return the listed address of an OCSP responder, or empty if not set
*/
std::string ocsp_responder() const;
/**
* Return the CRL distribution point, or empty if not set
*/
std::string crl_distribution_point() const;
/**
* @return a string describing the certificate
*/
std::string to_string() const;
/**
* Return a fingerprint of the certificate
*/
std::string fingerprint(const std::string& = "SHA-1") const;
/**
* Check if a certain DNS name matches up with the information in
* the cert
*/
bool matches_dns_name(const std::string& name) const;
/**
* Check to certificates for equality.
* @return true both certificates are (binary) equal
*/
bool operator==(const X509_Certificate& other) const;
/**
* Impose an arbitrary (but consistent) ordering
* @return true if this is less than other by some unspecified criteria
*/
bool operator<(const X509_Certificate& other) const;
/**
* Create a certificate from a data source providing the DER or
* PEM encoded certificate.
* @param source the data source
*/
explicit X509_Certificate(DataSource& source);
/**
* Create a certificate from a file containing the DER or PEM
* encoded certificate.
* @param filename the name of the certificate file
*/
explicit X509_Certificate(const std::string& filename);
explicit X509_Certificate(const std::vector<byte>& in);
X509_Certificate(const X509_Certificate& other);
X509_Certificate& operator=(const X509_Certificate& other);
private:
void force_decode() override;
friend class X509_CA;
friend class BER_Decoder;
X509_Certificate() {}
Data_Store m_subject, m_issuer;
bool m_self_signed;
Extensions m_v3_extensions;
};
/**
* Check two certificates for inequality
* @return true if the arguments represent different certificates,
* false if they are binary identical
*/
BOTAN_DLL bool operator!=(const X509_Certificate&, const X509_Certificate&);
/*
* Data Store Extraction Operations
*/
BOTAN_DLL X509_DN create_dn(const Data_Store&);
BOTAN_DLL AlternativeName create_alt_name(const Data_Store&);
}
#endif
|
