1 files changed, 73 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/AttributeTable.cs b/crypto/src/asn1/x509/AttributeTable.cs
new file mode 100644
index 000000000..ffe0ea935
--- /dev/null
+++ b/crypto/src/asn1/x509/AttributeTable.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+    public class AttributeTable
+    {
+        private readonly IDictionary attributes;
+
+        public AttributeTable(
+            IDictionary attrs)
+        {
+            this.attributes = Platform.CreateHashtable(attrs);
+        }
+
+#if !SILVERLIGHT
+        [Obsolete]
+        public AttributeTable(
+            Hashtable attrs)
+        {
+            this.attributes = Platform.CreateHashtable(attrs);
+        }
+#endif
+
+		public AttributeTable(
+            Asn1EncodableVector v)
+        {
+            this.attributes = Platform.CreateHashtable(v.Count);
+
+			for (int i = 0; i != v.Count; i++)
+            {
+                AttributeX509 a = AttributeX509.GetInstance(v[i]);
+
+				attributes.Add(a.AttrType, a);
+            }
+        }
+
+		public AttributeTable(
+            Asn1Set s)
+        {
+            this.attributes = Platform.CreateHashtable(s.Count);
+
+			for (int i = 0; i != s.Count; i++)
+            {
+                AttributeX509 a = AttributeX509.GetInstance(s[i]);
+
+				attributes.Add(a.AttrType, a);
+            }
+        }
+
+		public AttributeX509 Get(
+            DerObjectIdentifier oid)
+        {
+            return (AttributeX509) attributes[oid];
+        }
+
+#if !SILVERLIGHT
+        [Obsolete("Use 'ToDictionary' instead")]
+		public Hashtable ToHashtable()
+        {
+            return new Hashtable(attributes);
+        }
+#endif
+
+        public IDictionary ToDictionary()
+        {
+            return Platform.CreateHashtable(attributes);
+        }
+    }
+}