Initial Commit

iTechSharp/srcbc/crypto/parameters/ParametersWithIV.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+    public class ParametersWithIV
+		: ICipherParameters
+    {
+		private readonly ICipherParameters	parameters;
+		private readonly byte[]				iv;
+
+		public ParametersWithIV(
+            ICipherParameters	parameters,
+            byte[]				iv)
+			: this(parameters, iv, 0, iv.Length)
+		{
+		}
+
+		public ParametersWithIV(
+            ICipherParameters	parameters,
+            byte[]				iv,
+            int					ivOff,
+            int					ivLen)
+        {
+			if (parameters == null)
+				throw new ArgumentNullException("parameters");
+			if (iv == null)
+				throw new ArgumentNullException("iv");
+
+			this.parameters = parameters;
+			this.iv = new byte[ivLen];
+            Array.Copy(iv, ivOff, this.iv, 0, ivLen);
+        }
+
+		public byte[] GetIV()
+        {
+			return (byte[]) iv.Clone();
+        }
+
+		public ICipherParameters Parameters
+        {
+            get { return parameters; }
+        }
+    }
+}