Initial Commit

iTechSharp/srcbc/asn1/pkcs/RC2CBCParameter.cs

@@ -0,0 +1,81 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    public class RC2CbcParameter
+        : Asn1Encodable
+    {
+        internal DerInteger			version;
+        internal Asn1OctetString	iv;
+
+		public static RC2CbcParameter GetInstance(
+            object obj)
+        {
+            if (obj is Asn1Sequence)
+            {
+                return new RC2CbcParameter((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+		}
+
+		public RC2CbcParameter(
+            byte[] iv)
+        {
+            this.iv = new DerOctetString(iv);
+        }
+
+		public RC2CbcParameter(
+            int		parameterVersion,
+            byte[]	iv)
+        {
+            this.version = new DerInteger(parameterVersion);
+            this.iv = new DerOctetString(iv);
+        }
+
+		private RC2CbcParameter(
+            Asn1Sequence seq)
+        {
+            if (seq.Count == 1)
+            {
+                iv = (Asn1OctetString)seq[0];
+            }
+            else
+            {
+                version = (DerInteger)seq[0];
+                iv = (Asn1OctetString)seq[1];
+            }
+        }
+
+		public BigInteger RC2ParameterVersion
+        {
+            get
+            {
+				return version == null ? null : version.Value;
+            }
+        }
+
+		public byte[] GetIV()
+        {
+			return Arrays.Clone(iv.GetOctets());
+        }
+
+		public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector();
+
+			if (version != null)
+            {
+                v.Add(version);
+            }
+
+			v.Add(iv);
+
+			return new DerSequence(v);
+        }
+    }
+}