1 files changed, 103 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs b/Crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs
new file mode 100644
index 000000000..53c5c706b
--- /dev/null
+++ b/Crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs
@@ -0,0 +1,103 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Cms.Ecc
+{
+ public class MQVuserKeyingMaterial
+ : Asn1Encodable
+ {
+ private OriginatorPublicKey ephemeralPublicKey;
+ private Asn1OctetString addedukm;
+
+ public MQVuserKeyingMaterial(
+ OriginatorPublicKey ephemeralPublicKey,
+ Asn1OctetString addedukm)
+ {
+ // TODO Check ephemeralPublicKey not null
+
+ this.ephemeralPublicKey = ephemeralPublicKey;
+ this.addedukm = addedukm;
+ }
+
+ private MQVuserKeyingMaterial(
+ Asn1Sequence seq)
+ {
+ // TODO Check seq has either 1 or 2 elements
+
+ this.ephemeralPublicKey = OriginatorPublicKey.GetInstance(seq[0]);
+
+ if (seq.Count > 1)
+ {
+ this.addedukm = Asn1OctetString.GetInstance(
+ (Asn1TaggedObject)seq[1], true);
+ }
+ }
+
+ /**
+ * return an AuthEnvelopedData object from a tagged object.
+ *
+ * @param obj the tagged object holding the object we want.
+ * @param isExplicit true if the object is meant to be explicitly
+ * tagged false otherwise.
+ * @throws ArgumentException if the object held by the
+ * tagged object cannot be converted.
+ */
+ public static MQVuserKeyingMaterial GetInstance(
+ Asn1TaggedObject obj,
+ bool isExplicit)
+ {
+ return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
+ }
+
+ /**
+ * return an AuthEnvelopedData object from the given object.
+ *
+ * @param obj the object we want converted.
+ * @throws ArgumentException if the object cannot be converted.
+ */
+ public static MQVuserKeyingMaterial GetInstance(
+ object obj)
+ {
+ if (obj == null || obj is MQVuserKeyingMaterial)
+ {
+ return (MQVuserKeyingMaterial)obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new MQVuserKeyingMaterial((Asn1Sequence)obj);
+ }
+
+ throw new ArgumentException("Invalid MQVuserKeyingMaterial: " + obj.GetType().Name);
+ }
+
+ public OriginatorPublicKey EphemeralPublicKey
+ {
+ get { return ephemeralPublicKey; }
+ }
+
+ public Asn1OctetString AddedUkm
+ {
+ get { return addedukm; }
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ * <pre>
+ * MQVuserKeyingMaterial ::= SEQUENCE {
+ * ephemeralPublicKey OriginatorPublicKey,
+ * addedukm [0] EXPLICIT UserKeyingMaterial OPTIONAL }
+ * </pre>
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ Asn1EncodableVector v = new Asn1EncodableVector(ephemeralPublicKey);
+
+ if (addedukm != null)
+ {
+ v.Add(new DerTaggedObject(true, 0, addedukm));
+ }
+
+ return new DerSequence(v);
+ }
+ }
+}
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