Initial Commit

iTechSharp/srcbc/asn1/x509/V2TBSCertListGenerator.cs

@@ -0,0 +1,196 @@
+using System;
+using System.Collections;
+using System.IO;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+    /**
+     * Generator for Version 2 TbsCertList structures.
+     * <pre>
+     *  TbsCertList  ::=  Sequence  {
+     *       version                 Version OPTIONAL,
+     *                                    -- if present, shall be v2
+     *       signature               AlgorithmIdentifier,
+     *       issuer                  Name,
+     *       thisUpdate              Time,
+     *       nextUpdate              Time OPTIONAL,
+     *       revokedCertificates     Sequence OF Sequence  {
+     *            userCertificate         CertificateSerialNumber,
+     *            revocationDate          Time,
+     *            crlEntryExtensions      Extensions OPTIONAL
+     *                                          -- if present, shall be v2
+     *                                 }  OPTIONAL,
+     *       crlExtensions           [0]  EXPLICIT Extensions OPTIONAL
+     *                                          -- if present, shall be v2
+     *                                 }
+     * </pre>
+     *
+     * <b>Note: This class may be subject to change</b>
+     */
+    public class V2TbsCertListGenerator
+    {
+        private DerInteger			version = new DerInteger(1);
+        private AlgorithmIdentifier	signature;
+        private X509Name			issuer;
+        private Time				thisUpdate, nextUpdate;
+        private X509Extensions		extensions;
+        private ArrayList			crlEntries;
+
+		public V2TbsCertListGenerator()
+        {
+        }
+
+		public void SetSignature(
+            AlgorithmIdentifier signature)
+        {
+            this.signature = signature;
+        }
+
+		public void SetIssuer(
+            X509Name issuer)
+        {
+            this.issuer = issuer;
+        }
+
+		public void SetThisUpdate(
+            DerUtcTime thisUpdate)
+        {
+            this.thisUpdate = new Time(thisUpdate);
+        }
+
+		public void SetNextUpdate(
+            DerUtcTime nextUpdate)
+        {
+            this.nextUpdate = (nextUpdate != null)
+				?	new Time(nextUpdate)
+				:	null;
+        }
+
+		public void SetThisUpdate(
+            Time thisUpdate)
+        {
+            this.thisUpdate = thisUpdate;
+        }
+
+		public void SetNextUpdate(
+            Time nextUpdate)
+        {
+            this.nextUpdate = nextUpdate;
+        }
+
+		public void AddCrlEntry(
+			Asn1Sequence crlEntry)
+		{
+			if (crlEntries == null)
+			{
+				crlEntries = new ArrayList();
+			}
+
+			crlEntries.Add(crlEntry);
+		}
+
+		public void AddCrlEntry(DerInteger userCertificate, DerUtcTime revocationDate, int reason)
+		{
+			AddCrlEntry(userCertificate, new Time(revocationDate), reason);
+		}
+
+		public void AddCrlEntry(DerInteger userCertificate, Time revocationDate, int reason)
+		{
+			AddCrlEntry(userCertificate, revocationDate, reason, null);
+		}
+
+		public void AddCrlEntry(DerInteger userCertificate, Time revocationDate, int reason,
+			DerGeneralizedTime invalidityDate)
+		{
+			ArrayList extOids = new ArrayList();
+			ArrayList extValues = new ArrayList();
+
+			if (reason != 0)
+			{
+				CrlReason crlReason = new CrlReason(reason);
+
+				try
+				{
+					extOids.Add(X509Extensions.ReasonCode);
+					extValues.Add(new X509Extension(false, new DerOctetString(crlReason.GetEncoded())));
+				}
+				catch (IOException e)
+				{
+					throw new ArgumentException("error encoding reason: " + e);
+				}
+			}
+
+			if (invalidityDate != null)
+			{
+				try
+				{
+					extOids.Add(X509Extensions.InvalidityDate);
+					extValues.Add(new X509Extension(false, new DerOctetString(invalidityDate.GetEncoded())));
+				}
+				catch (IOException e)
+				{
+					throw new ArgumentException("error encoding invalidityDate: " + e);
+				}
+			}
+
+			if (extOids.Count != 0)
+			{
+				AddCrlEntry(userCertificate, revocationDate, new X509Extensions(extOids, extValues));
+			}
+			else
+			{
+				AddCrlEntry(userCertificate, revocationDate, null);
+			}
+		}
+
+		public void AddCrlEntry(DerInteger userCertificate, Time revocationDate, X509Extensions extensions)
+		{
+			Asn1EncodableVector v = new Asn1EncodableVector(
+				userCertificate, revocationDate);
+
+			if (extensions != null)
+			{
+				v.Add(extensions);
+			}
+
+			AddCrlEntry(new DerSequence(v));
+		}
+
+		public void SetExtensions(
+            X509Extensions extensions)
+        {
+            this.extensions = extensions;
+        }
+
+		public TbsCertificateList GenerateTbsCertList()
+        {
+            if ((signature == null) || (issuer == null) || (thisUpdate == null))
+            {
+                throw new InvalidOperationException("Not all mandatory fields set in V2 TbsCertList generator.");
+            }
+
+			Asn1EncodableVector v = new Asn1EncodableVector(
+				version, signature, issuer, thisUpdate);
+
+			if (nextUpdate != null)
+            {
+                v.Add(nextUpdate);
+            }
+
+			// Add CRLEntries if they exist
+            if (crlEntries != null)
+            {
+				Asn1Sequence[] certs = (Asn1Sequence[]) crlEntries.ToArray(typeof(Asn1Sequence));
+
+				v.Add(new DerSequence(certs));
+            }
+
+			if (extensions != null)
+            {
+                v.Add(new DerTaggedObject(0, extensions));
+            }
+
+			return new TbsCertificateList(new DerSequence(v));
+        }
+    }
+}