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//
// Pkcs9DocumentName.cs - System.Security.Cryptography.Pkcs.Pkcs9DocumentName
//
// 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 System.Text;
using Mono.Security;
namespace System.Security.Cryptography.Pkcs {
public sealed class Pkcs9DocumentName : Pkcs9AttributeObject {
internal const string oid = "1.3.6.1.4.1.311.88.2.1";
internal const string friendlyName = null;
private string _name;
public Pkcs9DocumentName ()
{
// Pkcs9Attribute remove the "set" accessor on Oid :-(
(this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
}
public Pkcs9DocumentName (string documentName)
{
if (documentName == null)
throw new ArgumentNullException ("documentName");
(this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
_name = documentName;
RawData = Encode ();
}
public Pkcs9DocumentName (byte[] encodedDocumentName)
{
if (encodedDocumentName == null)
throw new ArgumentNullException ("encodedDocumentName");
(this as AsnEncodedData).Oid = new Oid (oid, friendlyName);
RawData = encodedDocumentName;
Decode (encodedDocumentName);
}
public string DocumentName {
get { return _name; }
}
public override void CopyFrom (AsnEncodedData asnEncodedData)
{
base.CopyFrom (asnEncodedData);
Decode (this.RawData);
}
// internal stuff
internal void Decode (byte[] attribute)
{
if (attribute [0] != 0x04)
return; // throw ?
ASN1 attr = new ASN1 (attribute);
byte[] str = attr.Value;
int length = str.Length;
if (str [length - 2] == 0x00)
length -= 2; // zero-terminated (normal)
_name = Encoding.Unicode.GetString (str, 0, length);
}
internal byte[] Encode ()
{
// OCTETSTRING (0x04) Of the zero-terminated unicode string
ASN1 attr = new ASN1 (0x04, Encoding.Unicode.GetBytes (_name + (char)0));
return attr.GetBytes ();
}
}
}
#endif
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