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
|
using System;
using System.Collections.Generic;
using System.IO;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Cms;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Utilities.Collections;
using Org.BouncyCastle.Utilities.IO;
using Org.BouncyCastle.X509;
namespace Org.BouncyCastle.Cms
{
internal class CmsUtilities
{
// TODO Is there a .NET equivalent to this?
// private static readonly Runtime RUNTIME = Runtime.getRuntime();
internal static int MaximumMemory
{
get
{
// TODO Is there a .NET equivalent to this?
long maxMem = int.MaxValue;//RUNTIME.maxMemory();
if (maxMem > int.MaxValue)
{
return int.MaxValue;
}
return (int)maxMem;
}
}
internal static ContentInfo ReadContentInfo(
byte[] input)
{
// enforce limit checking as from a byte array
return ReadContentInfo(new Asn1InputStream(input));
}
internal static ContentInfo ReadContentInfo(
Stream input)
{
// enforce some limit checking
return ReadContentInfo(new Asn1InputStream(input, MaximumMemory));
}
private static ContentInfo ReadContentInfo(
Asn1InputStream aIn)
{
try
{
return ContentInfo.GetInstance(aIn.ReadObject());
}
catch (IOException e)
{
throw new CmsException("IOException reading content.", e);
}
catch (InvalidCastException e)
{
throw new CmsException("Malformed content.", e);
}
catch (ArgumentException e)
{
throw new CmsException("Malformed content.", e);
}
}
internal static byte[] StreamToByteArray(Stream inStream)
{
return Streams.ReadAll(inStream);
}
internal static byte[] StreamToByteArray(Stream inStream, int limit)
{
return Streams.ReadAllLimited(inStream, limit);
}
internal static List<Asn1TaggedObject> GetAttributeCertificatesFromStore(
IStore<X509V2AttributeCertificate> attrCertStore)
{
var result = new List<Asn1TaggedObject>();
if (attrCertStore != null)
{
foreach (var attrCert in attrCertStore.EnumerateMatches(null))
{
result.Add(new DerTaggedObject(false, 2, attrCert.AttributeCertificate));
}
}
return result;
}
internal static List<X509CertificateStructure> GetCertificatesFromStore(IStore<X509Certificate> certStore)
{
var result = new List<X509CertificateStructure>();
if (certStore != null)
{
foreach (var cert in certStore.EnumerateMatches(null))
{
result.Add(cert.CertificateStructure);
}
}
return result;
}
internal static List<CertificateList> GetCrlsFromStore(IStore<X509Crl> crlStore)
{
var result = new List<CertificateList>();
if (crlStore != null)
{
foreach (var crl in crlStore.EnumerateMatches(null))
{
result.Add(crl.CertificateList);
}
}
return result;
}
internal static Asn1Set CreateBerSetFromList(IEnumerable<Asn1Encodable> elements)
{
Asn1EncodableVector v = new Asn1EncodableVector();
foreach (Asn1Encodable element in elements)
{
v.Add(element);
}
return new BerSet(v);
}
internal static Asn1Set CreateDerSetFromList(IEnumerable<Asn1Encodable> elements)
{
Asn1EncodableVector v = new Asn1EncodableVector();
foreach (Asn1Encodable element in elements)
{
v.Add(element);
}
return new DerSet(v);
}
internal static Stream CreateBerOctetOutputStream(Stream s, int tagNo, bool isExplicit, int bufferSize)
{
BerOctetStringGenerator octGen = new BerOctetStringGenerator(s, tagNo, isExplicit);
return octGen.GetOctetOutputStream(bufferSize);
}
internal static TbsCertificateStructure GetTbsCertificateStructure(X509Certificate cert)
{
return TbsCertificateStructure.GetInstance(Asn1Object.FromByteArray(cert.GetTbsCertificate()));
}
internal static IssuerAndSerialNumber GetIssuerAndSerialNumber(X509Certificate cert)
{
TbsCertificateStructure tbsCert = GetTbsCertificateStructure(cert);
return new IssuerAndSerialNumber(tbsCert.Issuer, tbsCert.SerialNumber.Value);
}
}
}
|
