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

using System;
using System.IO;

namespace Org.BouncyCastle.Bcpg{
  /// <remarks>Basic packet for a modification detection code packet.</remarks>
    public class ModDetectionCodePacket
        : ContainedPacket
    {
        private readonly byte[] digest;

    internal ModDetectionCodePacket(
            BcpgInputStream bcpgIn)
        {
      if (bcpgIn == null)
        throw new ArgumentNullException("bcpgIn");

      this.digest = new byte[20];
            bcpgIn.ReadFully(this.digest);
        }

    public ModDetectionCodePacket(
            byte[] digest)
        {
      if (digest == null)
        throw new ArgumentNullException("digest");

      this.digest = (byte[]) digest.Clone();
        }

    public byte[] GetDigest()
        {
      return (byte[]) digest.Clone();
        }

    public override void Encode(
            BcpgOutputStream bcpgOut)
        {
            bcpgOut.WritePacket(PacketTag.ModificationDetectionCode, digest, false);
        }
    }
}