1 files changed, 124 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/qualified/SemanticsInformation.cs b/Crypto/src/asn1/x509/qualified/SemanticsInformation.cs
new file mode 100644
index 000000000..72e7cd0e1
--- /dev/null
+++ b/Crypto/src/asn1/x509/qualified/SemanticsInformation.cs
@@ -0,0 +1,124 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.X509.Qualified
+{
+    /**
+    * The SemanticsInformation object.
+    * <pre>
+    *       SemanticsInformation ::= SEQUENCE {
+    *         semanticsIdentifier        OBJECT IDENTIFIER   OPTIONAL,
+    *         nameRegistrationAuthorities NameRegistrationAuthorities
+    *                                                         OPTIONAL }
+    *         (WITH COMPONENTS {..., semanticsIdentifier PRESENT}|
+    *          WITH COMPONENTS {..., nameRegistrationAuthorities PRESENT})
+    *
+    *     NameRegistrationAuthorities ::=  SEQUENCE SIZE (1..MAX) OF
+    *         GeneralName
+    * </pre>
+    */
+    public class SemanticsInformation
+		: Asn1Encodable
+    {
+        private readonly DerObjectIdentifier	semanticsIdentifier;
+        private readonly GeneralName[]			nameRegistrationAuthorities;
+
+		public static SemanticsInformation GetInstance(
+			object obj)
+        {
+            if (obj == null || obj is SemanticsInformation)
+            {
+                return (SemanticsInformation) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new SemanticsInformation(Asn1Sequence.GetInstance(obj));
+            }
+
+			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+		}
+
+		public SemanticsInformation(
+			Asn1Sequence seq)
+        {
+            if (seq.Count < 1)
+            {
+                throw new ArgumentException("no objects in SemanticsInformation");
+            }
+
+			IEnumerator e = seq.GetEnumerator();
+			e.MoveNext();
+            object obj = e.Current;
+            if (obj is DerObjectIdentifier)
+            {
+                semanticsIdentifier = DerObjectIdentifier.GetInstance(obj);
+                if (e.MoveNext())
+                {
+                    obj  = e.Current;
+                }
+                else
+                {
+                    obj  = null;
+                }
+            }
+
+			if (obj  != null)
+            {
+                Asn1Sequence generalNameSeq = Asn1Sequence.GetInstance(obj );
+                nameRegistrationAuthorities = new GeneralName[generalNameSeq.Count];
+                for (int i= 0; i < generalNameSeq.Count; i++)
+                {
+                    nameRegistrationAuthorities[i] = GeneralName.GetInstance(generalNameSeq[i]);
+                }
+            }
+        }
+
+		public SemanticsInformation(
+            DerObjectIdentifier semanticsIdentifier,
+            GeneralName[] generalNames)
+        {
+            this.semanticsIdentifier = semanticsIdentifier;
+            this.nameRegistrationAuthorities = generalNames;
+        }
+
+		public SemanticsInformation(
+			DerObjectIdentifier semanticsIdentifier)
+        {
+            this.semanticsIdentifier = semanticsIdentifier;
+        }
+
+        public SemanticsInformation(
+			GeneralName[] generalNames)
+        {
+            this.nameRegistrationAuthorities = generalNames;
+        }
+
+		public DerObjectIdentifier SemanticsIdentifier { get { return semanticsIdentifier; } }
+
+		public GeneralName[] GetNameRegistrationAuthorities()
+        {
+            return nameRegistrationAuthorities;
+        }
+
+		public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector seq = new Asn1EncodableVector();
+
+            if (this.semanticsIdentifier != null)
+            {
+                seq.Add(semanticsIdentifier);
+            }
+
+			if (this.nameRegistrationAuthorities != null)
+            {
+                seq.Add(new DerSequence(nameRegistrationAuthorities));
+            }
+
+			return new DerSequence(seq);
+        }
+    }
+}