init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Crmf/PopoPrivKey.cs

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+using System;
+using Org.BouncyCastle.Asn1.Cms;
+
+namespace Org.BouncyCastle.Asn1.Crmf;
+
+public class PopoPrivKey : Asn1Encodable, IAsn1Choice
+{
+	public const int thisMessage = 0;
+
+	public const int subsequentMessage = 1;
+
+	public const int dhMAC = 2;
+
+	public const int agreeMAC = 3;
+
+	public const int encryptedKey = 4;
+
+	private readonly int tagNo;
+
+	private readonly Asn1Encodable obj;
+
+	public virtual int Type => tagNo;
+
+	public virtual Asn1Encodable Value => obj;
+
+	private PopoPrivKey(Asn1TaggedObject obj)
+	{
+		tagNo = obj.TagNo;
+		switch (tagNo)
+		{
+		case 0:
+			this.obj = DerBitString.GetInstance(obj, isExplicit: false);
+			break;
+		case 1:
+			this.obj = SubsequentMessage.ValueOf(DerInteger.GetInstance(obj, isExplicit: false).Value.IntValue);
+			break;
+		case 2:
+			this.obj = DerBitString.GetInstance(obj, isExplicit: false);
+			break;
+		case 3:
+			this.obj = PKMacValue.GetInstance(obj, isExplicit: false);
+			break;
+		case 4:
+			this.obj = EnvelopedData.GetInstance(obj, explicitly: false);
+			break;
+		default:
+			throw new ArgumentException("unknown tag in PopoPrivKey", "obj");
+		}
+	}
+
+	public static PopoPrivKey GetInstance(Asn1TaggedObject tagged, bool isExplicit)
+	{
+		return new PopoPrivKey(Asn1TaggedObject.GetInstance(tagged.GetObject()));
+	}
+
+	public PopoPrivKey(SubsequentMessage msg)
+	{
+		tagNo = 1;
+		obj = msg;
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		return new DerTaggedObject(explicitly: false, tagNo, obj);
+	}
+}