PgpEncryptedDataList.cs :  » PDF » iTextSharp » Org » BouncyCastle » Bcpg » OpenPgp » C# / CSharp Open Source

using System;
using System.Collections;

using Org.BouncyCastle.Utilities.Collections;

namespace Org.BouncyCastle.Bcpg.OpenPgp{
  /// <remarks>A holder for a list of PGP encryption method packets.</remarks>
    public class PgpEncryptedDataList
    : PgpObject
    {
        private ArrayList list = new ArrayList();
        private InputStreamPacket data;

    public PgpEncryptedDataList(
            BcpgInputStream bcpgInput)
        {
            while (bcpgInput.NextPacketTag() == PacketTag.PublicKeyEncryptedSession
                || bcpgInput.NextPacketTag() == PacketTag.SymmetricKeyEncryptedSessionKey)
            {
                list.Add(bcpgInput.ReadPacket());
            }

      data = (InputStreamPacket)bcpgInput.ReadPacket();

      for (int i = 0; i != list.Count; i++)
            {
                if (list[i] is SymmetricKeyEncSessionPacket)
                {
                    list[i] = new PgpPbeEncryptedData((SymmetricKeyEncSessionPacket) list[i], data);
                }
                else
                {
                    list[i] = new PgpPublicKeyEncryptedData((PublicKeyEncSessionPacket) list[i], data);
                }
            }
        }

    public PgpEncryptedData this[int index]
    {
      get { return (PgpEncryptedData) list[index]; }
    }

    [Obsolete("Use 'object[index]' syntax instead")]
    public object Get(int index)
        {
            return this[index];
        }

    [Obsolete("Use 'Count' property instead")]
    public int Size
        {
      get { return list.Count; }
        }

    public int Count
    {
      get { return list.Count; }
    }

    public bool IsEmpty
        {
      get { return list.Count == 0; }
        }

    public IEnumerable GetEncryptedDataObjects()
        {
            return new EnumerableProxy(list);
        }
    }
}