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//
// PrivateKeyUsagePeriodExtension.cs: Handles X.509 PrivateKeyUsagePeriod extensions.
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2004 Novell (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.Globalization;
using System.Text;
using Mono.Security;
using Mono.Security.X509;
namespace Mono.Security.X509.Extensions {
/*
* id-ce-privateKeyUsagePeriod OBJECT IDENTIFIER ::= { id-ce 16 }
*
* PrivateKeyUsagePeriod ::= SEQUENCE {
* notBefore [0] GeneralizedTime OPTIONAL,
* notAfter [1] GeneralizedTime OPTIONAL
* }
*/
public class PrivateKeyUsagePeriodExtension : X509Extension {
private DateTime notBefore;
private DateTime notAfter;
public PrivateKeyUsagePeriodExtension () : base ()
{
extnOid = "2.5.29.16";
}
public PrivateKeyUsagePeriodExtension (ASN1 asn1) : base (asn1)
{
}
public PrivateKeyUsagePeriodExtension (X509Extension extension) : base (extension)
{
}
protected override void Decode ()
{
ASN1 sequence = new ASN1 (extnValue.Value);
if (sequence.Tag != 0x30)
throw new ArgumentException ("Invalid PrivateKeyUsagePeriod extension");
for (int i=0; i < sequence.Count; i++) {
switch (sequence [i].Tag) {
case 0x80:
notBefore = ASN1Convert.ToDateTime (sequence [i]);
break;
case 0x81:
notAfter = ASN1Convert.ToDateTime (sequence [i]);
break;
default:
throw new ArgumentException ("Invalid PrivateKeyUsagePeriod extension");
}
}
}
public override string Name {
get { return "Private Key Usage Period"; }
}
public override string ToString ()
{
StringBuilder sb = new StringBuilder ();
if (notBefore != DateTime.MinValue) {
sb.Append ("Not Before: ");
sb.Append (notBefore.ToString (CultureInfo.CurrentUICulture));
sb.Append (Environment.NewLine);
}
if (notAfter != DateTime.MinValue) {
sb.Append ("Not After: ");
sb.Append (notAfter.ToString (CultureInfo.CurrentUICulture));
sb.Append (Environment.NewLine);
}
return sb.ToString ();
}
}
}
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