1 files changed, 63 insertions, 0 deletions
diff --git a/crypto/src/crmf/IControl.cs b/crypto/src/crmf/IControl.cs
new file mode 100644
index 000000000..8f986168c
--- /dev/null
+++ b/crypto/src/crmf/IControl.cs
@@ -0,0 +1,63 @@
+using System;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+
+    public interface IControl
+    {
+        DerObjectIdentifier Type { get; }
+
+        Asn1Encodable Value { get; }
+    }
+
+
+    public class Controls
+        : Asn1Encodable
+    {
+        private readonly Asn1Sequence content;
+
+        private Controls(Asn1Sequence seq)
+        {
+            content = seq;
+        }
+
+        public static Controls GetInstance(object obj)
+        {
+            if (obj is Controls)
+                return (Controls)obj;
+
+            if (obj is Asn1Sequence)
+                return new Controls((Asn1Sequence)obj);
+
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
+        }
+
+		public Controls(params AttributeTypeAndValue[] atvs)
+        {
+            content = new DerSequence(atvs);
+        }
+
+        public virtual AttributeTypeAndValue[] ToAttributeTypeAndValueArray()
+        {
+            AttributeTypeAndValue[] result = new AttributeTypeAndValue[content.Count];
+            for (int i = 0; i != result.Length; ++i)
+            {
+                result[i] = AttributeTypeAndValue.GetInstance(content[i]);
+            }
+            return result;
+        }
+
+        /**
+         * <pre>
+         * Controls  ::= SEQUENCE SIZE(1..MAX) OF AttributeTypeAndValue
+         * </pre>
+         * @return a basic ASN.1 object representation.
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            return content;
+        }
+    }
+}