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Diffstat (limited to 'crypto/src/asn1/pkcs/ContentInfo.cs')
-rw-r--r--crypto/src/asn1/pkcs/ContentInfo.cs74
1 files changed, 74 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..526a3c48e
--- /dev/null
+++ b/crypto/src/asn1/pkcs/ContentInfo.cs
@@ -0,0 +1,74 @@
+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 == null)
+                return null;
+            ContentInfo existing = obj as ContentInfo;
+            if (existing != null)
+                return existing;
+            return new ContentInfo(Asn1Sequence.GetInstance(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);
+        }
+    }
+}