1 files changed, 80 insertions, 0 deletions
diff --git a/Crypto/src/asn1/pkcs/ContentInfo.cs b/Crypto/src/asn1/pkcs/ContentInfo.cs
new file mode 100644
index 000000000..78213c138
--- /dev/null
+++ b/Crypto/src/asn1/pkcs/ContentInfo.cs
@@ -0,0 +1,80 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    public class ContentInfo
+        : Asn1Encodable
+    {
+        private readonly DerObjectIdentifier	contentType;
+        private readonly Asn1Encodable			content;
+
+		public static ContentInfo GetInstance(
+            object obj)
+        {
+            if (obj is ContentInfo)
+            {
+                return (ContentInfo) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new ContentInfo((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+        }
+
+		private ContentInfo(
+            Asn1Sequence seq)
+        {
+			contentType = (DerObjectIdentifier) seq[0];
+
+			if (seq.Count > 1)
+			{
+				content = ((Asn1TaggedObject) seq[1]).GetObject();
+			}
+        }
+
+		public ContentInfo(
+            DerObjectIdentifier	contentType,
+            Asn1Encodable		content)
+        {
+            this.contentType = contentType;
+            this.content = content;
+        }
+
+		public DerObjectIdentifier ContentType
+		{
+			get { return contentType; }
+		}
+
+		public Asn1Encodable Content
+		{
+			get { return content; }
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * ContentInfo ::= Sequence {
+         *          contentType ContentType,
+         *          content
+         *          [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector(contentType);
+
+			if (content != null)
+            {
+                v.Add(new BerTaggedObject(0, content));
+            }
+
+			return new BerSequence(v);
+        }
+    }
+}