1 files changed, 66 insertions, 0 deletions
diff --git a/Crypto/src/asn1/crmf/AttributeTypeAndValue.cs b/Crypto/src/asn1/crmf/AttributeTypeAndValue.cs
new file mode 100644
index 000000000..823668992
--- /dev/null
+++ b/Crypto/src/asn1/crmf/AttributeTypeAndValue.cs
@@ -0,0 +1,66 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+    public class AttributeTypeAndValue
+        : Asn1Encodable
+    {
+        private readonly DerObjectIdentifier type;
+        private readonly Asn1Encodable value;
+
+        private AttributeTypeAndValue(Asn1Sequence seq)
+        {
+            type = (DerObjectIdentifier)seq[0];
+            value = (Asn1Encodable)seq[1];
+        }
+
+        public static AttributeTypeAndValue GetInstance(object obj)
+        {
+            if (obj is AttributeTypeAndValue)
+                return (AttributeTypeAndValue)obj;
+
+            if (obj is Asn1Sequence)
+                return new AttributeTypeAndValue((Asn1Sequence)obj);
+
+            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+        }
+
+        public AttributeTypeAndValue(
+            String oid,
+            Asn1Encodable value)
+            : this(new DerObjectIdentifier(oid), value)
+        {
+        }
+
+        public AttributeTypeAndValue(
+            DerObjectIdentifier type,
+            Asn1Encodable value)
+        {
+            this.type = type;
+            this.value = value;
+        }
+
+        public virtual DerObjectIdentifier Type
+        {
+            get { return type; }
+        }
+
+        public virtual Asn1Encodable Value
+        {
+            get { return value; }
+        }
+
+        /**
+         * <pre>
+         * AttributeTypeAndValue ::= SEQUENCE {
+         *           type         OBJECT IDENTIFIER,
+         *           value        ANY DEFINED BY type }
+         * </pre>
+         * @return a basic ASN.1 object representation.
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            return new DerSequence(type, value);
+        }
+    }
+}