<PackageReference Include="BouncyCastle.Cryptography" Version="2.5.1" />

DesEngine

public class DesEngine : IBlockCipher
public virtual string AlgorithmName { get; }

public DesEngine()

protected static int[] GenerateWorkingKey(bool encrypting, byte[] key)

public virtual int GetBlockSize()

public virtual int[] GetWorkingKey()

public virtual void Init(bool forEncryption, ICipherParameters parameters)

public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)

public virtual int ProcessBlock(ReadOnlySpan<byte> input, Span<byte> output)