<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />

Org.BouncyCastle.Crypto.Engines.ChaCha7539Engine

Implementation of Daniel J. Bernstein's ChaCha stream cipher.
namespace Org.BouncyCastle.Crypto.Engines { public class ChaCha7539Engine : Salsa20Engine { public ChaCha7539Engine(); } }