2 // Pkcs9ContentType.cs - System.Security.Cryptography.Pkcs.Pkcs9ContentType
5 // Tim Coleman (tim@timcoleman.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // Copyright (C) Tim Coleman, 2004
9 // Copyright (C) 2004-2005 Novell Inc. (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 namespace System.Security.Cryptography.Pkcs {
37 public sealed class Pkcs9ContentType : Pkcs9AttributeObject {
39 internal const string oid = "1.2.840.113549.1.9.3";
40 internal const string friendlyName = "Content Type";
42 private Oid _contentType;
43 private byte[] _encoded;
47 public Pkcs9ContentType ()
49 // Pkcs9Attribute remove the "set" accessor on Oid :-(
50 (this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
54 internal Pkcs9ContentType (string contentType)
56 (this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
57 _contentType = new Oid (contentType);
62 internal Pkcs9ContentType (byte[] encodedContentType)
64 if (encodedContentType == null)
65 throw new ArgumentNullException ("encodedContentType");
67 (this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
68 RawData = encodedContentType;
69 Decode (encodedContentType);
74 public Oid ContentType {
84 public override void CopyFrom (AsnEncodedData asnEncodedData)
86 base.CopyFrom (asnEncodedData);
87 _encoded = asnEncodedData.RawData;
92 internal void Decode (byte[] attribute)
94 if ((attribute == null) || (attribute [0] != 0x06))
95 throw new CryptographicException (Locale.GetText ("Expected an OID."));
97 ASN1 oid = new ASN1 (attribute);
98 _contentType = new Oid (ASN1Convert.ToOid (oid));
102 internal byte[] Encode ()
104 if (_contentType == null)
106 return ASN1Convert.FromOid (_contentType.Value).GetBytes ();