<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.1" />

NaccacheSternEngine

public string AlgorithmName { get; }

public virtual byte[] AddCryptedBlocks(byte[] block1, byte[] block2)

public virtual byte[] Encrypt(BigInteger plain)

public virtual int GetInputBlockSize()

public virtual int GetOutputBlockSize()

public virtual void Init(bool forEncryption, ICipherParameters parameters)

public virtual byte[] ProcessBlock(byte[] inBytes, int inOff, int length)

public virtual byte[] ProcessData(byte[] data)