1 files changed, 47 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cms/CompressedDataParser.cs b/Crypto/src/asn1/cms/CompressedDataParser.cs
new file mode 100644
index 000000000..7c53453df
--- /dev/null
+++ b/Crypto/src/asn1/cms/CompressedDataParser.cs
@@ -0,0 +1,47 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+	/**
+	* RFC 3274 - CMS Compressed Data.
+	* <pre>
+	* CompressedData ::= SEQUENCE {
+	*  version CMSVersion,
+	*  compressionAlgorithm CompressionAlgorithmIdentifier,
+	*  encapContentInfo EncapsulatedContentInfo
+	* }
+	* </pre>
+	*/
+	public class CompressedDataParser
+	{
+		private DerInteger			_version;
+		private AlgorithmIdentifier	_compressionAlgorithm;
+		private ContentInfoParser	_encapContentInfo;
+
+		public CompressedDataParser(
+			Asn1SequenceParser seq)
+		{
+			this._version = (DerInteger)seq.ReadObject();
+			this._compressionAlgorithm = AlgorithmIdentifier.GetInstance(seq.ReadObject().ToAsn1Object());
+			this._encapContentInfo = new ContentInfoParser((Asn1SequenceParser)seq.ReadObject());
+		}
+
+		public DerInteger Version
+		{
+			get { return _version; }
+		}
+
+		public AlgorithmIdentifier CompressionAlgorithmIdentifier
+		{
+			get { return _compressionAlgorithm; }
+		}
+
+		public ContentInfoParser GetEncapContentInfo()
+		{
+			return _encapContentInfo;
+		}
+	}
+}