namespace Org.BouncyCastle.Crypto.Engines { public class ElGamalEngine : IAsymmetricBlockCipher { public virtual string AlgorithmName { get; } public virtual void Init(bool forEncryption, ICipherParameters parameters); public virtual int GetInputBlockSize(); public virtual int GetOutputBlockSize(); public virtual byte[] ProcessBlock(byte[] input, int inOff, int length); public ElGamalEngine(); } }