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//
// X509IssuerSerialKeyIdentifierClause.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005-2006 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.
//
using System;
using System.Collections.Generic;
using System.Security.Cryptography.X509Certificates;
#if !TARGET_DOTNET
using Mono.Math;
#endif
namespace System.IdentityModel.Tokens
{
public class X509IssuerSerialKeyIdentifierClause : SecurityKeyIdentifierClause
{
static byte [] FromBinHex (string s)
{
byte [] bytes = new byte [s.Length / 2];
for (int i = 0; i < bytes.Length; i++)
bytes [i] = (byte) (DecodeHex (s [i * 2]) * 16 + DecodeHex (s [i * 2 + 1]));
return bytes;
}
static byte DecodeHex (char c)
{
return (byte) (c <= '9' ? c - '0' : c <= 'F' ? c - 'A' + 10 : c - 'a' + 10);
}
static string ToDecimalString (string hexString)
{
#if TARGET_DOTNET
throw new NotImplementedException ();
#else
// http://tools.ietf.org/html/rfc5280#section-4.1.2.2
// We SHOULD support negative numbers
var bytes = FromBinHex (hexString);
var negative = bytes.Length > 0 && bytes [0] >= 0x80;
if (negative) {
for (int i = 0; i < bytes.Length; i++)
bytes [i] = (byte) ~ bytes [i];
}
var big = new BigInteger (bytes);
if (negative) {
big = big + 1;
return "-" + big.ToString ();
} else
return big.ToString ();
#endif
}
public X509IssuerSerialKeyIdentifierClause (X509Certificate2 certificate)
: base (null)
{
if (certificate == null)
throw new ArgumentNullException ("certificate");
name = certificate.IssuerName.Name;
serial = ToDecimalString (certificate.SerialNumber);
}
public X509IssuerSerialKeyIdentifierClause (string issuerName, string issuerSerialNumber)
: base (null)
{
name = issuerName;
serial = issuerSerialNumber;
}
string name, serial;
public string IssuerName {
get { return name; }
}
public string IssuerSerialNumber {
get { return serial; }
}
public override bool Matches (SecurityKeyIdentifierClause keyIdentifierClause)
{
X509IssuerSerialKeyIdentifierClause other =
keyIdentifierClause as X509IssuerSerialKeyIdentifierClause;
return other != null && Matches (other.name, other.serial);
}
public bool Matches (X509Certificate2 certificate)
{
return name == certificate.IssuerName.Name &&
serial == ToDecimalString (certificate.SerialNumber);
}
public bool Matches (string issuerName, string issuerSerialNumber)
{
return name == issuerName && serial == issuerSerialNumber;
}
[MonoTODO]
public override string ToString ()
{
return base.ToString ();
}
}
}
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