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
|
//
// System.Security.Cryptography.Pkcs.ContentInfo
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using Mono.Security;
namespace System.Security.Cryptography.Pkcs {
/*
* ContentInfo ::= SEQUENCE {
* contentType ContentType,
* content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL
* }
* ContentType ::= OBJECT IDENTIFIER
*/
public sealed class ContentInfo {
private Oid _oid;
private byte[] _content;
// constructors
public ContentInfo (byte[] content)
: this (new Oid ("1.2.840.113549.1.7.1"), content)
{
}
public ContentInfo (Oid oid, byte[] content)
{
if (oid == null)
throw new ArgumentNullException ("oid");
if (content == null)
throw new ArgumentNullException ("content");
_oid = oid;
_content = content;
}
~ContentInfo ()
{
}
// properties
public byte[] Content {
get { return (byte[]) _content.Clone (); }
}
public Oid ContentType {
get { return _oid; }
}
// static methods
[MonoTODO ("MS is stricter than us about the content structure")]
public static Oid GetContentType (byte[] encodedMessage)
{
if (encodedMessage == null)
throw new ArgumentNullException ("algorithm");
try {
PKCS7.ContentInfo ci = new PKCS7.ContentInfo (encodedMessage);
switch (ci.ContentType) {
case PKCS7.Oid.data:
case PKCS7.Oid.signedData: // see SignedCms class
case PKCS7.Oid.envelopedData: // see EnvelopedCms class
case PKCS7.Oid.digestedData:
case PKCS7.Oid.encryptedData:
return new Oid (ci.ContentType);
default:
// Note: the constructor will accept any "valid" OID (but that
// doesn't mean it's a valid ContentType structure - ASN.1 wise).
string msg = Locale.GetText ("Bad ASN1 - invalid OID '{0}'");
throw new CryptographicException (String.Format (msg, ci.ContentType));
}
}
catch (Exception e) {
throw new CryptographicException (Locale.GetText ("Bad ASN1 - invalid structure"), e);
}
}
}
}
#endif
|
