namespace Org.BouncyCastle.Crypto.Generators { public sealed class KdfFeedbackBytesGenerator : IMacDerivationFunction, IDerivationFunction { public IMac Mac { get; } public IDigest Digest { get; } public KdfFeedbackBytesGenerator(IMac prf); public void Init(IDerivationParameters parameters); public int GenerateBytes(byte[] output, int outOff, int length); } }