1 files changed, 70 insertions, 0 deletions
diff --git a/crypto/src/asn1/cms/Attribute.cs b/crypto/src/asn1/cms/Attribute.cs
new file mode 100644
index 000000000..c4a104a3f
--- /dev/null
+++ b/crypto/src/asn1/cms/Attribute.cs
@@ -0,0 +1,70 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+    public class Attribute
+        : Asn1Encodable
+    {
+        private DerObjectIdentifier	attrType;
+        private Asn1Set				attrValues;
+
+		/**
+        * return an Attribute object from the given object.
+        *
+        * @param o the object we want converted.
+        * @exception ArgumentException if the object cannot be converted.
+        */
+        public static Attribute GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is Attribute)
+				return (Attribute) obj;
+
+			if (obj is Asn1Sequence)
+                return new Attribute((Asn1Sequence) obj);
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+        }
+
+		public Attribute(
+            Asn1Sequence seq)
+        {
+            attrType = (DerObjectIdentifier)seq[0];
+            attrValues = (Asn1Set)seq[1];
+        }
+
+		public Attribute(
+            DerObjectIdentifier attrType,
+            Asn1Set             attrValues)
+        {
+            this.attrType = attrType;
+            this.attrValues = attrValues;
+        }
+
+        public DerObjectIdentifier AttrType
+		{
+			get { return attrType; }
+		}
+
+		public Asn1Set AttrValues
+		{
+			get { return attrValues; }
+		}
+
+		/**
+        * Produce an object suitable for an Asn1OutputStream.
+        * <pre>
+        * Attribute ::= SEQUENCE {
+        *     attrType OBJECT IDENTIFIER,
+        *     attrValues SET OF AttributeValue
+        * }
+        * </pre>
+        */
+        public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(attrType, attrValues);
+        }
+    }
+}