namespace Org.BouncyCastle.Crypto.Modes { public class OfbBlockCipher : IBlockCipherMode, IBlockCipher { public IBlockCipher UnderlyingCipher { get; } public string AlgorithmName { get; } public bool IsPartialBlockOkay { get; } public OfbBlockCipher(IBlockCipher cipher, int blockSize); public void Init(bool forEncryption, ICipherParameters parameters); public int GetBlockSize(); public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff); public void Reset(); } }