Initial Commit

iTechSharp/srcbc/crypto/parameters/GOST3410PrivateKeyParameters.cs

@@ -0,0 +1,41 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.CryptoPro;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+	public class Gost3410PrivateKeyParameters
+		: Gost3410KeyParameters
+	{
+		private readonly BigInteger x;
+
+		public Gost3410PrivateKeyParameters(
+			BigInteger			x,
+			Gost3410Parameters	parameters)
+			: base(true, parameters)
+		{
+			if (x.SignValue < 1 || x.BitLength > 256 || x.CompareTo(Parameters.Q) >= 0)
+				throw new ArgumentException("Invalid x for GOST3410 private key", "x");
+
+			this.x = x;
+		}
+
+		public Gost3410PrivateKeyParameters(
+			BigInteger			x,
+			DerObjectIdentifier	publicKeyParamSet)
+			: base(true, publicKeyParamSet)
+		{
+			if (x.SignValue < 1 || x.BitLength > 256 || x.CompareTo(Parameters.Q) >= 0)
+				throw new ArgumentException("Invalid x for GOST3410 private key", "x");
+
+			this.x = x;
+		}
+
+		public BigInteger X
+		{
+			get { return x; }
+		}
+	}
+}