1 files changed, 44 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x9/DHPublicKey.cs b/Crypto/src/asn1/x9/DHPublicKey.cs
new file mode 100644
index 000000000..1a20a8a16
--- /dev/null
+++ b/Crypto/src/asn1/x9/DHPublicKey.cs
@@ -0,0 +1,44 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X9
+{
+ public class DHPublicKey
+ : Asn1Encodable
+ {
+ private readonly DerInteger y;
+
+ public static DHPublicKey GetInstance(Asn1TaggedObject obj, bool isExplicit)
+ {
+ return GetInstance(DerInteger.GetInstance(obj, isExplicit));
+ }
+
+ public static DHPublicKey GetInstance(object obj)
+ {
+ if (obj == null || obj is DHPublicKey)
+ return (DHPublicKey)obj;
+
+ if (obj is DerInteger)
+ return new DHPublicKey((DerInteger)obj);
+
+ throw new ArgumentException("Invalid DHPublicKey: " + obj.GetType().FullName, "obj");
+ }
+
+ public DHPublicKey(DerInteger y)
+ {
+ if (y == null)
+ throw new ArgumentNullException("y");
+
+ this.y = y;
+ }
+
+ public DerInteger Y
+ {
+ get { return this.y; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ return this.y;
+ }
+ }
+}
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