namespace Org.BouncyCastle.Crypto.Engines { public class HC256Engine : IStreamCipher { public virtual string AlgorithmName { get; } public virtual void Init(bool forEncryption, ICipherParameters parameters); public virtual void ProcessBytes(byte[] input, int inOff, int len, byte[] output, int outOff); public virtual void Reset(); public virtual byte ReturnByte(byte input); public HC256Engine(); } }