SymmetricKeyEncSessionPacket
using System.IO;
namespace Org.BouncyCastle.Bcpg
{
public class SymmetricKeyEncSessionPacket : ContainedPacket
{
private int version;
private SymmetricKeyAlgorithmTag encAlgorithm;
private S2k s2k;
private readonly byte[] secKeyData;
public SymmetricKeyAlgorithmTag EncAlgorithm => encAlgorithm;
public S2k S2k => s2k;
public int Version => version;
public SymmetricKeyEncSessionPacket(BcpgInputStream bcpgIn)
{
version = bcpgIn.ReadByte();
encAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte();
s2k = new S2k(bcpgIn);
secKeyData = bcpgIn.ReadAll();
}
public SymmetricKeyEncSessionPacket(SymmetricKeyAlgorithmTag encAlgorithm, S2k s2k, byte[] secKeyData)
{
version = 4;
this.encAlgorithm = encAlgorithm;
this.s2k = s2k;
this.secKeyData = secKeyData;
}
public byte[] GetSecKeyData()
{
return secKeyData;
}
public override void Encode(BcpgOutputStream bcpgOut)
{
MemoryStream memoryStream = new MemoryStream();
using (BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream)) {
bcpgOutputStream.Write((byte)version, (byte)encAlgorithm);
bcpgOutputStream.WriteObject(s2k);
if (secKeyData != null && secKeyData.Length != 0)
bcpgOutputStream.Write(secKeyData);
}
bcpgOut.WritePacket(PacketTag.SymmetricKeyEncryptedSessionKey, memoryStream.ToArray());
}
}
}