Initial Commit

iTechSharp/srcbc/crypto/parameters/NaccacheSternKeyParameters.cs

@@ -0,0 +1,44 @@
+using System;
+
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+	/**
+	 * Public key parameters for NaccacheStern cipher. For details on this cipher,
+	 * please see
+	 *
+	 * http://www.gemplus.com/smart/rd/publications/pdf/NS98pkcs.pdf
+	 */
+	public class NaccacheSternKeyParameters : AsymmetricKeyParameter
+	{
+		private readonly BigInteger g, n;
+		private readonly int lowerSigmaBound;
+
+		/**
+		 * @param privateKey
+		 */
+		public NaccacheSternKeyParameters(bool privateKey, BigInteger g, BigInteger n, int lowerSigmaBound)
+			: base(privateKey)
+		{
+			this.g = g;
+			this.n = n;
+			this.lowerSigmaBound = lowerSigmaBound;
+		}
+
+		/**
+		 * @return Returns the g.
+		 */
+		public BigInteger G { get  { return g; } }
+
+		/**
+		 * @return Returns the lowerSigmaBound.
+		 */
+		public int LowerSigmaBound { get { return lowerSigmaBound; } }
+
+		/**
+		 * @return Returns the n.
+		 */
+		public BigInteger Modulus { get { return n; } }
+	}
+}