<PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />

Org.BouncyCastle.Crypto.SimpleBlockResult

public sealed class SimpleBlockResult : IBlockResult
A simple block result object which just carries a byte array.
namespace Org.BouncyCastle.Crypto { public sealed class SimpleBlockResult : IBlockResult { public SimpleBlockResult(byte[] result); public byte[] Collect(); public int Collect(byte[] buf, int off); public int GetMaxResultLength(); } }