Initial Commit

iTechSharp/srcbc/crypto/parameters/GOST3410PublicKeyParameters.cs

@@ -0,0 +1,40 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+	public class Gost3410PublicKeyParameters
+		: Gost3410KeyParameters
+	{
+		private readonly BigInteger y;
+
+		public Gost3410PublicKeyParameters(
+			BigInteger y,
+			Gost3410Parameters parameters)
+			: base(false, parameters)
+		{
+			if (y.SignValue < 1 || y.CompareTo(Parameters.P) >= 0)
+				throw new ArgumentException("Invalid y for GOST3410 public key", "y");
+
+			this.y = y;
+		}
+
+		public Gost3410PublicKeyParameters(
+			BigInteger			y,
+			DerObjectIdentifier publicKeyParamSet)
+			: base(false, publicKeyParamSet)
+		{
+			if (y.SignValue < 1 || y.CompareTo(Parameters.P) >= 0)
+				throw new ArgumentException("Invalid y for GOST3410 public key", "y");
+
+			this.y = y;
+		}
+
+		public BigInteger Y
+		{
+			get { return y; }
+		}
+	}
+}