V3TBSCertificateGenerator.cs
4.25 KB
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
using System;
namespace Org.BouncyCastle.Asn1.X509
{
/**
* Generator for Version 3 TbsCertificateStructures.
* <pre>
* TbsCertificate ::= Sequence {
* version [ 0 ] Version DEFAULT v1(0),
* serialNumber CertificateSerialNumber,
* signature AlgorithmIdentifier,
* issuer Name,
* validity Validity,
* subject Name,
* subjectPublicKeyInfo SubjectPublicKeyInfo,
* issuerUniqueID [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL,
* subjectUniqueID [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL,
* extensions [ 3 ] Extensions OPTIONAL
* }
* </pre>
*
*/
public class V3TbsCertificateGenerator
{
internal DerTaggedObject version = new DerTaggedObject(0, new DerInteger(2));
internal DerInteger serialNumber;
internal AlgorithmIdentifier signature;
internal X509Name issuer;
internal Time startDate, endDate;
internal X509Name subject;
internal SubjectPublicKeyInfo subjectPublicKeyInfo;
internal X509Extensions extensions;
private bool altNamePresentAndCritical;
private DerBitString issuerUniqueID;
private DerBitString subjectUniqueID;
public V3TbsCertificateGenerator()
{
}
public void SetSerialNumber(
DerInteger serialNumber)
{
this.serialNumber = serialNumber;
}
public void SetSignature(
AlgorithmIdentifier signature)
{
this.signature = signature;
}
public void SetIssuer(
X509Name issuer)
{
this.issuer = issuer;
}
public void SetStartDate(
DerUtcTime startDate)
{
this.startDate = new Time(startDate);
}
public void SetStartDate(
Time startDate)
{
this.startDate = startDate;
}
public void SetEndDate(
DerUtcTime endDate)
{
this.endDate = new Time(endDate);
}
public void SetEndDate(
Time endDate)
{
this.endDate = endDate;
}
public void SetSubject(
X509Name subject)
{
this.subject = subject;
}
public void SetIssuerUniqueID(
DerBitString uniqueID)
{
this.issuerUniqueID = uniqueID;
}
public void SetSubjectUniqueID(
DerBitString uniqueID)
{
this.subjectUniqueID = uniqueID;
}
public void SetSubjectPublicKeyInfo(
SubjectPublicKeyInfo pubKeyInfo)
{
this.subjectPublicKeyInfo = pubKeyInfo;
}
public void SetExtensions(
X509Extensions extensions)
{
this.extensions = extensions;
if (extensions != null)
{
X509Extension altName = extensions.GetExtension(X509Extensions.SubjectAlternativeName);
if (altName != null && altName.IsCritical)
{
altNamePresentAndCritical = true;
}
}
}
public TbsCertificateStructure GenerateTbsCertificate()
{
if ((serialNumber == null) || (signature == null)
|| (issuer == null) || (startDate == null) || (endDate == null)
|| (subject == null && !altNamePresentAndCritical)
|| (subjectPublicKeyInfo == null))
{
throw new InvalidOperationException("not all mandatory fields set in V3 TBScertificate generator");
}
DerSequence validity = new DerSequence(startDate, endDate); // before and after dates
Asn1EncodableVector v = new Asn1EncodableVector(
version, serialNumber, signature, issuer, validity);
if (subject != null)
{
v.Add(subject);
}
else
{
v.Add(DerSequence.Empty);
}
v.Add(subjectPublicKeyInfo);
if (issuerUniqueID != null)
{
v.Add(new DerTaggedObject(false, 1, issuerUniqueID));
}
if (subjectUniqueID != null)
{
v.Add(new DerTaggedObject(false, 2, subjectUniqueID));
}
if (extensions != null)
{
v.Add(new DerTaggedObject(3, extensions));
}
return new TbsCertificateStructure(new DerSequence(v));
}
}
}