2 // PrivateKeyUsagePeriodExtension.cs: Handles X.509 PrivateKeyUsagePeriod extensions.
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // (C) 2004 Novell (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
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28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System
.Globalization
;
36 using Mono
.Security
.X509
;
38 namespace Mono
.Security
.X509
.Extensions
{
41 * id-ce-privateKeyUsagePeriod OBJECT IDENTIFIER ::= { id-ce 16 }
43 * PrivateKeyUsagePeriod ::= SEQUENCE {
44 * notBefore [0] GeneralizedTime OPTIONAL,
45 * notAfter [1] GeneralizedTime OPTIONAL
48 public class PrivateKeyUsagePeriodExtension
: X509Extension
{
50 private DateTime notBefore
;
51 private DateTime notAfter
;
53 public PrivateKeyUsagePeriodExtension () : base ()
55 extnOid
= "2.5.29.16";
58 public PrivateKeyUsagePeriodExtension (ASN1 asn1
) : base (asn1
)
62 public PrivateKeyUsagePeriodExtension (X509Extension extension
) : base (extension
)
66 protected override void Decode ()
68 ASN1 sequence
= new ASN1 (extnValue
.Value
);
69 if (sequence
.Tag
!= 0x30)
70 throw new ArgumentException ("Invalid PrivateKeyUsagePeriod extension");
71 for (int i
=0; i
< sequence
.Count
; i
++) {
72 switch (sequence
[i
].Tag
) {
74 notBefore
= ASN1Convert
.ToDateTime (sequence
[i
]);
77 notAfter
= ASN1Convert
.ToDateTime (sequence
[i
]);
80 throw new ArgumentException ("Invalid PrivateKeyUsagePeriod extension");
85 public override string Name
{
86 get { return "Private Key Usage Period"; }
89 public override string ToString ()
91 StringBuilder sb
= new StringBuilder ();
92 if (notBefore
!= DateTime
.MinValue
) {
93 sb
.Append ("Not Before: ");
94 sb
.Append (notBefore
.ToString (CultureInfo
.CurrentUICulture
));
95 sb
.Append (Environment
.NewLine
);
97 if (notAfter
!= DateTime
.MinValue
) {
98 sb
.Append ("Not After: ");
99 sb
.Append (notAfter
.ToString (CultureInfo
.CurrentUICulture
));
100 sb
.Append (Environment
.NewLine
);
102 return sb
.ToString ();