init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Cms/CompressedData.cs

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+using System;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Cms;
+
+public class CompressedData : Asn1Encodable
+{
+	private DerInteger version;
+
+	private AlgorithmIdentifier compressionAlgorithm;
+
+	private ContentInfo encapContentInfo;
+
+	public DerInteger Version => version;
+
+	public AlgorithmIdentifier CompressionAlgorithmIdentifier => compressionAlgorithm;
+
+	public ContentInfo EncapContentInfo => encapContentInfo;
+
+	public CompressedData(AlgorithmIdentifier compressionAlgorithm, ContentInfo encapContentInfo)
+	{
+		version = new DerInteger(0);
+		this.compressionAlgorithm = compressionAlgorithm;
+		this.encapContentInfo = encapContentInfo;
+	}
+
+	public CompressedData(Asn1Sequence seq)
+	{
+		version = (DerInteger)seq[0];
+		compressionAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
+		encapContentInfo = ContentInfo.GetInstance(seq[2]);
+	}
+
+	public static CompressedData GetInstance(Asn1TaggedObject ato, bool explicitly)
+	{
+		return GetInstance(Asn1Sequence.GetInstance(ato, explicitly));
+	}
+
+	public static CompressedData GetInstance(object obj)
+	{
+		if (obj == null || obj is CompressedData)
+		{
+			return (CompressedData)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new CompressedData((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("Invalid CompressedData: " + Platform.GetTypeName(obj));
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		return new BerSequence(version, compressionAlgorithm, encapContentInfo);
+	}
+}