blob: d8ecd9ddf260bc8b5151f56a2dd76cd3bc537f36 (
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
|
using System;
using System.Collections.Generic;
using System.IO;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Security.Certificates;
using Org.BouncyCastle.Utilities.IO;
namespace Org.BouncyCastle.X509
{
public class X509CertPairParser
{
private Stream currentStream;
private X509CertificatePair ReadDerCrossCertificatePair(Stream inStream)
{
using (var asn1In = new Asn1InputStream(inStream, int.MaxValue, leaveOpen: true))
{
return new X509CertificatePair(CertificatePair.GetInstance(asn1In.ReadObject()));
}
}
/// <summary>
/// Create loading data from byte array.
/// </summary>
/// <param name="input"></param>
public X509CertificatePair ReadCertPair(byte[] input)
{
return ReadCertPair(new MemoryStream(input, false));
}
/// <summary>
/// Create loading data from byte array.
/// </summary>
/// <param name="input"></param>
public IList<X509CertificatePair> ReadCertPairs(byte[] input)
{
return ReadCertPairs(new MemoryStream(input, false));
}
public X509CertificatePair ReadCertPair(Stream inStream)
{
if (inStream == null)
throw new ArgumentNullException("inStream");
if (!inStream.CanRead)
throw new ArgumentException("inStream must be read-able", "inStream");
if (currentStream == null)
{
currentStream = inStream;
}
else if (currentStream != inStream) // reset if input stream has changed
{
currentStream = inStream;
}
try
{
int tag = inStream.ReadByte();
if (tag < 0)
return null;
if (inStream.CanSeek)
{
inStream.Seek(-1L, SeekOrigin.Current);
}
else
{
PushbackStream pis = new PushbackStream(inStream);
pis.Unread(tag);
inStream = pis;
}
return ReadDerCrossCertificatePair(inStream);
}
catch (CertificateException)
{
throw;
}
catch (Exception e)
{
throw new CertificateException(e.ToString());
}
}
public IList<X509CertificatePair> ReadCertPairs(Stream inStream)
{
var certPairs = new List<X509CertificatePair>();
X509CertificatePair certPair;
while ((certPair = ReadCertPair(inStream)) != null)
{
certPairs.Add(certPair);
}
return certPairs;
}
}
}
|
