1 files changed, 47 insertions, 0 deletions
diff --git a/Crypto/src/asn1/oiw/ElGamalParameter.cs b/Crypto/src/asn1/oiw/ElGamalParameter.cs
new file mode 100644
index 000000000..3e020f059
--- /dev/null
+++ b/Crypto/src/asn1/oiw/ElGamalParameter.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Asn1.Oiw
+{
+ public class ElGamalParameter
+ : Asn1Encodable
+ {
+ internal DerInteger p, g;
+
+ public ElGamalParameter(
+ BigInteger p,
+ BigInteger g)
+ {
+ this.p = new DerInteger(p);
+ this.g = new DerInteger(g);
+ }
+
+ public ElGamalParameter(
+ Asn1Sequence seq)
+ {
+ if (seq.Count != 2)
+ throw new ArgumentException("Wrong number of elements in sequence", "seq");
+
+ p = DerInteger.GetInstance(seq[0]);
+ g = DerInteger.GetInstance(seq[1]);
+ }
+
+ public BigInteger P
+ {
+ get { return p.PositiveValue; }
+ }
+
+ public BigInteger G
+ {
+ get { return g.PositiveValue; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(p, g);
+ }
+ }
+}
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