namespace Org.BouncyCastle.Crypto.Digests { public sealed class Prehash : IDigest { public string AlgorithmName { get; } public static Prehash ForDigest(IDigest digest); public static Prehash ForParameters(string digestName, int digestSize); public int GetByteLength(); public int GetDigestSize(); public void Update(byte input); public void BlockUpdate(byte[] input, int inOff, int inLen); public int DoFinal(byte[] output, int outOff); public void Reset(); } }