Initial Commit

iTechSharp/srcbc/crypto/parameters/KeyParameter.cs

@@ -0,0 +1,43 @@
+using System;
+
+using Org.BouncyCastle.Crypto;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+    public class KeyParameter
+		: ICipherParameters
+    {
+        private readonly byte[] key;
+
+		public KeyParameter(
+			byte[] key)
+		{
+			if (key == null)
+				throw new ArgumentNullException("key");
+
+			this.key = (byte[]) key.Clone();
+		}
+
+		public KeyParameter(
+            byte[]	key,
+            int		keyOff,
+            int		keyLen)
+        {
+			if (key == null)
+				throw new ArgumentNullException("key");
+			if (keyOff < 0 || keyOff > key.Length)
+				throw new ArgumentOutOfRangeException("keyOff");
+			if (keyLen < 0 || (keyOff + keyLen) > key.Length)
+				throw new ArgumentOutOfRangeException("keyLen");
+
+			this.key = new byte[keyLen];
+            Array.Copy(key, keyOff, this.key, 0, keyLen);
+        }
+
+		public byte[] GetKey()
+        {
+			return (byte[]) key.Clone();
+        }
+    }
+
+}