init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Bcpg/UserAttributePacket.cs

@@ -0,0 +1,46 @@
+using System.Collections;
+using System.IO;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Bcpg;
+
+public class UserAttributePacket : ContainedPacket
+{
+	private readonly UserAttributeSubpacket[] subpackets;
+
+	public UserAttributePacket(BcpgInputStream bcpgIn)
+	{
+		UserAttributeSubpacketsParser userAttributeSubpacketsParser = new UserAttributeSubpacketsParser(bcpgIn);
+		IList list = Platform.CreateArrayList();
+		UserAttributeSubpacket value;
+		while ((value = userAttributeSubpacketsParser.ReadPacket()) != null)
+		{
+			list.Add(value);
+		}
+		subpackets = new UserAttributeSubpacket[list.Count];
+		for (int i = 0; i != subpackets.Length; i++)
+		{
+			subpackets[i] = (UserAttributeSubpacket)list[i];
+		}
+	}
+
+	public UserAttributePacket(UserAttributeSubpacket[] subpackets)
+	{
+		this.subpackets = subpackets;
+	}
+
+	public UserAttributeSubpacket[] GetSubpackets()
+	{
+		return subpackets;
+	}
+
+	public override void Encode(BcpgOutputStream bcpgOut)
+	{
+		MemoryStream memoryStream = new MemoryStream();
+		for (int i = 0; i != subpackets.Length; i++)
+		{
+			subpackets[i].Encode(memoryStream);
+		}
+		bcpgOut.WritePacket(PacketTag.UserAttribute, memoryStream.ToArray(), oldFormat: false);
+	}
+}