Initial Commit

iTechSharp/srcbc/crypto/agreement/kdf/DHKdfParameters.cs

@@ -0,0 +1,57 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Crypto.Agreement.Kdf
+{
+	public class DHKdfParameters
+		: IDerivationParameters
+	{
+		private readonly DerObjectIdentifier algorithm;
+		private readonly int keySize;
+		private readonly byte[] z;
+		private readonly byte[] extraInfo;
+
+		public DHKdfParameters(
+			DerObjectIdentifier	algorithm,
+			int					keySize,
+			byte[]				z)
+			: this(algorithm, keySize, z, null)
+		{
+		}
+
+		public DHKdfParameters(
+			DerObjectIdentifier algorithm,
+			int keySize,
+			byte[] z,
+			byte[] extraInfo)
+		{
+			this.algorithm = algorithm;
+			this.keySize = keySize;
+			this.z = z; // TODO Clone?
+			this.extraInfo = extraInfo;
+		}
+
+		public DerObjectIdentifier Algorithm
+		{
+			get { return algorithm; }
+		}
+
+		public int KeySize
+		{
+			get { return keySize; }
+		}
+
+		public byte[] GetZ()
+		{
+			// TODO Clone?
+			return z;
+		}
+
+		public byte[] GetExtraInfo()
+		{
+			// TODO Clone?
+			return extraInfo;
+		}
+	}
+}