1 files changed, 108 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/CertificateList.cs b/Crypto/src/asn1/x509/CertificateList.cs
new file mode 100644
index 000000000..0412e0816
--- /dev/null
+++ b/Crypto/src/asn1/x509/CertificateList.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+    /**
+     * PKIX RFC-2459
+     *
+     * The X.509 v2 CRL syntax is as follows.  For signature calculation,
+     * the data that is to be signed is ASN.1 Der encoded.
+     *
+     * <pre>
+     * CertificateList  ::=  Sequence  {
+     *      tbsCertList          TbsCertList,
+     *      signatureAlgorithm   AlgorithmIdentifier,
+     *      signatureValue       BIT STRING  }
+     * </pre>
+     */
+    public class CertificateList
+        : Asn1Encodable
+    {
+        private readonly TbsCertificateList	tbsCertList;
+        private readonly AlgorithmIdentifier sigAlgID;
+        private readonly DerBitString sig;
+
+		public static CertificateList GetInstance(
+            Asn1TaggedObject	obj,
+            bool				explicitly)
+        {
+            return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+        }
+
+		public static CertificateList GetInstance(
+            object obj)
+        {
+            if (obj is CertificateList)
+                return (CertificateList) obj;
+
+			if (obj != null)
+				return new CertificateList(Asn1Sequence.GetInstance(obj));
+
+			return null;
+		}
+
+		private CertificateList(
+            Asn1Sequence seq)
+        {
+			if (seq.Count != 3)
+				throw new ArgumentException("sequence wrong size for CertificateList", "seq");
+
+			tbsCertList = TbsCertificateList.GetInstance(seq[0]);
+			sigAlgID = AlgorithmIdentifier.GetInstance(seq[1]);
+			sig = DerBitString.GetInstance(seq[2]);
+        }
+
+		public TbsCertificateList TbsCertList
+		{
+			get { return tbsCertList; }
+		}
+
+		public CrlEntry[] GetRevokedCertificates()
+        {
+            return tbsCertList.GetRevokedCertificates();
+        }
+
+		public IEnumerable GetRevokedCertificateEnumeration()
+		{
+			return tbsCertList.GetRevokedCertificateEnumeration();
+		}
+
+		public AlgorithmIdentifier SignatureAlgorithm
+		{
+			get { return sigAlgID; }
+		}
+
+		public DerBitString Signature
+		{
+			get { return sig; }
+		}
+
+		public int Version
+		{
+			get { return tbsCertList.Version; }
+		}
+
+		public X509Name Issuer
+		{
+			get { return tbsCertList.Issuer; }
+		}
+
+		public Time ThisUpdate
+		{
+			get { return tbsCertList.ThisUpdate; }
+		}
+
+		public Time NextUpdate
+		{
+			get { return tbsCertList.NextUpdate; }
+		}
+
+		public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(tbsCertList, sigAlgID, sig);
+        }
+    }
+}