1 files changed, 66 insertions, 0 deletions
diff --git a/Crypto/src/crypto/parameters/DHPublicKeyParameters.cs b/Crypto/src/crypto/parameters/DHPublicKeyParameters.cs
new file mode 100644
index 000000000..e79375f71
--- /dev/null
+++ b/Crypto/src/crypto/parameters/DHPublicKeyParameters.cs
@@ -0,0 +1,66 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+    public class DHPublicKeyParameters
+		: DHKeyParameters
+    {
+        private readonly BigInteger y;
+
+		public DHPublicKeyParameters(
+            BigInteger		y,
+            DHParameters	parameters)
+			: base(false, parameters)
+        {
+			if (y == null)
+				throw new ArgumentNullException("y");
+
+			this.y = y;
+        }
+
+		public DHPublicKeyParameters(
+            BigInteger			y,
+            DHParameters		parameters,
+		    DerObjectIdentifier	algorithmOid)
+			: base(false, parameters, algorithmOid)
+        {
+			if (y == null)
+				throw new ArgumentNullException("y");
+
+			this.y = y;
+        }
+
+        public BigInteger Y
+        {
+            get { return y; }
+        }
+
+		public override bool Equals(
+			object  obj)
+        {
+			if (obj == this)
+				return true;
+
+			DHPublicKeyParameters other = obj as DHPublicKeyParameters;
+
+			if (other == null)
+				return false;
+
+			return Equals(other);
+        }
+
+		protected bool Equals(
+			DHPublicKeyParameters other)
+		{
+			return y.Equals(other.y) && base.Equals(other);
+		}
+
+		public override int GetHashCode()
+        {
+            return y.GetHashCode() ^ base.GetHashCode();
+        }
+    }
+}