namespace Org.BouncyCastle.Crypto.Engines { public class RC4Engine : IStreamCipher { public virtual string AlgorithmName { get; } public virtual void Init(bool forEncryption, ICipherParameters parameters); public virtual byte ReturnByte(byte input); public virtual void ProcessBytes(byte[] input, int inOff, int length, byte[] output, int outOff); public virtual void Reset(); public RC4Engine(); } }