1 files changed, 62 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x9/DHValidationParms.cs b/Crypto/src/asn1/x9/DHValidationParms.cs
new file mode 100644
index 000000000..a37964cfb
--- /dev/null
+++ b/Crypto/src/asn1/x9/DHValidationParms.cs
@@ -0,0 +1,62 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X9
+{
+ public class DHValidationParms
+ : Asn1Encodable
+ {
+ private readonly DerBitString seed;
+ private readonly DerInteger pgenCounter;
+
+ public static DHValidationParms GetInstance(Asn1TaggedObject obj, bool isExplicit)
+ {
+ return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
+ }
+
+ public static DHValidationParms GetInstance(object obj)
+ {
+ if (obj == null || obj is DHDomainParameters)
+ return (DHValidationParms)obj;
+
+ if (obj is Asn1Sequence)
+ return new DHValidationParms((Asn1Sequence)obj);
+
+ throw new ArgumentException("Invalid DHValidationParms: " + obj.GetType().FullName, "obj");
+ }
+
+ public DHValidationParms(DerBitString seed, DerInteger pgenCounter)
+ {
+ if (seed == null)
+ throw new ArgumentNullException("seed");
+ if (pgenCounter == null)
+ throw new ArgumentNullException("pgenCounter");
+
+ this.seed = seed;
+ this.pgenCounter = pgenCounter;
+ }
+
+ private DHValidationParms(Asn1Sequence seq)
+ {
+ if (seq.Count != 2)
+ throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
+
+ this.seed = DerBitString.GetInstance(seq[0]);
+ this.pgenCounter = DerInteger.GetInstance(seq[1]);
+ }
+
+ public DerBitString Seed
+ {
+ get { return this.seed; }
+ }
+
+ public DerInteger PgenCounter
+ {
+ get { return this.pgenCounter; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(seed, pgenCounter);
+ }
+ }
+}
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