blob: 818facade66e9a828c67550e48df812e4437e094 (
plain) (
blame)
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
|
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Crmf;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Operators;
namespace Org.BouncyCastle.Crmf
{
public class CertificateRequestMessage
{
public static readonly int popRaVerified = Org.BouncyCastle.Asn1.Crmf.ProofOfPossession.TYPE_RA_VERIFIED;
public static readonly int popSigningKey = Org.BouncyCastle.Asn1.Crmf.ProofOfPossession.TYPE_SIGNING_KEY;
public static readonly int popKeyEncipherment = Org.BouncyCastle.Asn1.Crmf.ProofOfPossession.TYPE_KEY_ENCIPHERMENT;
public static readonly int popKeyAgreement = Org.BouncyCastle.Asn1.Crmf.ProofOfPossession.TYPE_KEY_AGREEMENT;
private readonly CertReqMsg certReqMsg;
private readonly Controls controls;
private static CertReqMsg ParseBytes(byte[] encoding)
{
return CertReqMsg.GetInstance(encoding);
}
public CertificateRequestMessage(CertReqMsg certReqMsg)
{
this.certReqMsg = certReqMsg;
this.controls = certReqMsg.CertReq.Controls;
}
public CertReqMsg ToAsn1Structure()
{
return certReqMsg;
}
public CertTemplate GetCertTemplate()
{
return this.certReqMsg.CertReq.CertTemplate;
}
public bool HasControls
{
get { return controls != null; }
}
public bool HasControl(DerObjectIdentifier objectIdentifier)
{
return findControl(objectIdentifier) != null;
}
public IControl GetControl(DerObjectIdentifier type)
{
AttributeTypeAndValue found = findControl(type);
if (found != null)
{
if (found.Type.Equals(CrmfObjectIdentifiers.id_regCtrl_pkiArchiveOptions))
{
return new PkiArchiveControl(PkiArchiveOptions.GetInstance(found.Value));
}
if (found.Type.Equals(CrmfObjectIdentifiers.id_regCtrl_regToken))
{
return new RegTokenControl(DerUtf8String.GetInstance(found.Value));
}
if (found.Type.Equals(CrmfObjectIdentifiers.id_regCtrl_authenticator))
{
return new AuthenticatorControl(DerUtf8String.GetInstance(found.Value));
}
}
return null;
}
public AttributeTypeAndValue findControl(DerObjectIdentifier type)
{
if (controls == null)
{
return null;
}
AttributeTypeAndValue[] tAndV = controls.ToAttributeTypeAndValueArray();
AttributeTypeAndValue found = null;
for (int i = 0; i < tAndV.Length; i++)
{
if (tAndV[i].Type.Equals(type))
{
found = tAndV[i];
break;
}
}
return found;
}
public bool HasProofOfPossession
{
get { return certReqMsg.Popo != null; }
}
public int ProofOfPossession
{
get { return certReqMsg.Popo.Type; }
}
public bool HasSigningKeyProofOfPossessionWithPkMac
{
get
{
ProofOfPossession pop = certReqMsg.Popo;
if (pop.Type == popSigningKey)
{
PopoSigningKey popoSign = PopoSigningKey.GetInstance(pop.Object);
return popoSign.PoposkInput.PublicKeyMac != null;
}
return false;
}
}
public bool IsValidSigningKeyPop(IVerifierFactoryProvider verifierProvider)
{
ProofOfPossession pop = certReqMsg.Popo;
if (pop.Type == popSigningKey)
{
PopoSigningKey popoSign = PopoSigningKey.GetInstance(pop.Object);
if (popoSign.PoposkInput != null && popoSign.PoposkInput.PublicKeyMac != null)
{
throw new InvalidOperationException("verification requires password check");
}
return verifySignature(verifierProvider, popoSign);
}
throw new InvalidOperationException("not Signing Key type of proof of possession");
}
private bool verifySignature(IVerifierFactoryProvider verifierFactoryProvider, PopoSigningKey signKey)
{
IVerifierFactory verifer;
IStreamCalculator calculator;
try
{
verifer = verifierFactoryProvider.CreateVerifierFactory(signKey.AlgorithmIdentifier);
calculator = verifer.CreateCalculator();
}
catch (Exception ex)
{
throw new CrmfException("unable to create verifier: "+ex.Message, ex);
}
if (signKey.PoposkInput != null)
{
byte[] b = signKey.GetDerEncoded();
calculator.Stream.Write(b,0,b.Length);
}
else
{
byte[] b = certReqMsg.GetDerEncoded();
calculator.Stream.Write(b,0,b.Length);
}
DefaultVerifierResult result = (DefaultVerifierResult) calculator.GetResult();
return result.IsVerified(signKey.Signature.GetBytes());
}
public byte[] GetEncoded()
{
return certReqMsg.GetEncoded();
}
}
}
|
