143 lines
4.2 KiB
C#
143 lines
4.2 KiB
C#
//
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// CertificatePoliciesExtension.cs: Handles X.509 CertificatePolicies extensions.
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) 2004 Novell (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Text;
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using Mono.Security;
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using Mono.Security.X509;
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namespace Mono.Security.X509.Extensions {
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/*
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* id-ce-certificatePolicies OBJECT IDENTIFIER ::= { id-ce 32 }
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*
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* anyPolicy OBJECT IDENTIFIER ::= { id-ce-certificate-policies 0 }
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*
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* certificatePolicies ::= SEQUENCE SIZE (1..MAX) OF PolicyInformation
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*
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* PolicyInformation ::= SEQUENCE {
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* policyIdentifier CertPolicyId,
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* policyQualifiers SEQUENCE SIZE (1..MAX) OF PolicyQualifierInfo OPTIONAL
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* }
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*
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* CertPolicyId ::= OBJECT IDENTIFIER
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*
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* PolicyQualifierInfo ::= SEQUENCE {
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* policyQualifierId PolicyQualifierId,
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* qualifier ANY DEFINED BY policyQualifierId
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* }
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*
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* -- policyQualifierIds for Internet policy qualifiers
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* id-qt OBJECT IDENTIFIER ::= { id-pkix 2 }
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* id-qt-cps OBJECT IDENTIFIER ::= { id-qt 1 }
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* id-qt-unotice OBJECT IDENTIFIER ::= { id-qt 2 }
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*
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* PolicyQualifierId ::= OBJECT IDENTIFIER ( id-qt-cps | id-qt-unotice )
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*
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* Qualifier ::= CHOICE {
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* cPSuri CPSuri,
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* userNotice UserNotice
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* }
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*
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* CPSuri ::= IA5String
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*
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* UserNotice ::= SEQUENCE {
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* noticeRef NoticeReference OPTIONAL,
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* explicitText DisplayText OPTIONAL
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* }
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*
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* NoticeReference ::= SEQUENCE {
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* organization DisplayText,
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* noticeNumbers SEQUENCE OF INTEGER
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* }
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*
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* DisplayText ::= CHOICE {
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* ia5String IA5String (SIZE (1..200)),
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* visibleString VisibleString (SIZE (1..200)),
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* bmpString BMPString (SIZE (1..200)),
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* utf8String UTF8String (SIZE (1..200))
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* }
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*/
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// note: partial implementation (only policyIdentifier OID are supported)
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public class CertificatePoliciesExtension : X509Extension {
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private Hashtable policies;
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public CertificatePoliciesExtension () : base ()
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{
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extnOid = "2.5.29.32";
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policies = new Hashtable ();
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}
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public CertificatePoliciesExtension (ASN1 asn1) : base (asn1)
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{
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}
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public CertificatePoliciesExtension (X509Extension extension) : base (extension)
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{
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}
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protected override void Decode ()
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{
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policies = new Hashtable ();
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ASN1 sequence = new ASN1 (extnValue.Value);
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if (sequence.Tag != 0x30)
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throw new ArgumentException ("Invalid CertificatePolicies extension");
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// for every policy OID
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for (int i=0; i < sequence.Count; i++) {
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policies.Add (ASN1Convert.ToOid (sequence [i][0]), null);
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}
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}
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public override string Name {
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get { return "Certificate Policies"; }
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}
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public override string ToString ()
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{
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StringBuilder sb = new StringBuilder ();
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int n = 1;
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foreach (DictionaryEntry policy in policies) {
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sb.Append ("[");
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sb.Append (n++);
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sb.Append ("]Certificate Policy:");
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sb.Append (Environment.NewLine);
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sb.Append ("\tPolicyIdentifier=");
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sb.Append ((string)policy.Key);
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sb.Append (Environment.NewLine);
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}
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return sb.ToString ();
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}
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}
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}
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