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

using System;

using Org.BouncyCastle.Math;

namespace Org.BouncyCastle.Bcpg{
  /// <remarks>Base class for an ElGamal secret key.</remarks>
  public class ElGamalSecretBcpgKey
    : BcpgObject, IBcpgKey
  {
    internal MPInteger x;

    /**
    * @param in
    */
    public ElGamalSecretBcpgKey(
      BcpgInputStream bcpgIn)
    {
      this.x = new MPInteger(bcpgIn);
    }

    /**
    * @param x
    */
    public ElGamalSecretBcpgKey(
      BigInteger x)
    {
      this.x = new MPInteger(x);
    }

    /// <summary>The format, as a string, always "PGP".</summary>
    public string Format
    {
      get { return "PGP"; }
    }

    public BigInteger X
    {
      get { return x.Value; }
    }

    /// <summary>Return the standard PGP encoding of the key.</summary>
    public override byte[] GetEncoded()
    {
      try
      {
        return base.GetEncoded();
      }
      catch (Exception)
      {
        return null;
      }
    }

    public override void Encode(
      BcpgOutputStream bcpgOut)
    {
      bcpgOut.WriteObject(x);
    }
  }
}