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
|
using System;
using System.IO;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.Utilities.IO;
namespace Org.BouncyCastle.Cms
{
public class CmsTypedStream
{
private const int BufferSize = 32 * 1024;
private readonly string _oid;
private readonly Stream _in;
public CmsTypedStream(
Stream inStream)
: this(PkcsObjectIdentifiers.Data.Id, inStream, BufferSize)
{
}
public CmsTypedStream(
string oid,
Stream inStream)
: this(oid, inStream, BufferSize)
{
}
public CmsTypedStream(
string oid,
Stream inStream,
int bufSize)
{
_oid = oid;
_in = new FullReaderStream(new BufferedStream(inStream, bufSize));
}
public string ContentType
{
get { return _oid; }
}
public Stream ContentStream
{
get { return _in; }
}
public void Drain()
{
Streams.Drain(_in);
_in.Dispose();
}
private class FullReaderStream : FilterStream
{
internal FullReaderStream(Stream input)
: base(input)
{
}
public override int Read(byte[] buf, int off, int len)
{
return Streams.ReadFully(s, buf, off, len);
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
public override int Read(Span<byte> buffer)
{
return Streams.ReadFully(s, buffer);
}
#endif
}
}
}
|
