2 // RsaKeyIdentifierClause.cs
5 // Atsushi Enomoto <atsushi@ximian.com>
7 // Copyright (C) 2005-2006 Novell, Inc. http://www.novell.com
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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29 using System.Collections.Generic;
31 using System.IdentityModel.Policy;
32 using System.Security.Cryptography;
34 namespace System.IdentityModel.Tokens
36 public class RsaKeyIdentifierClause : SecurityKeyIdentifierClause
38 public RsaKeyIdentifierClause (RSA rsa)
50 public override bool CanCreateKey {
54 public override SecurityKey CreateKey ()
56 return new RsaSecurityKey (rsa);
59 public byte [] GetExponent ()
61 return rsa.ExportParameters (false).Exponent;
65 public void WriteExponentAsBase64 (XmlWriter writer)
67 throw new NotImplementedException ();
70 public byte [] GetModulus ()
72 return rsa.ExportParameters (false).Modulus;
76 public void WriteModulusAsBase64 (XmlWriter writer)
78 throw new NotImplementedException ();
81 public override bool Matches (SecurityKeyIdentifierClause keyIdentifierClause)
83 if (keyIdentifierClause == null)
84 throw new ArgumentNullException ("keyIdentifierClause");
85 RsaKeyIdentifierClause rkic =
86 keyIdentifierClause as RsaKeyIdentifierClause;
87 return rkic != null && Matches (rkic.Rsa);
90 public bool Matches (RSA rsa)
92 // hmm, there should be more decent way to compare ...
93 return rsa.ToXmlString (false) == this.rsa.ToXmlString (false);
97 public override string ToString ()
99 return base.ToString ();