<PackageReference Include="BouncyCastle.Cryptography" Version="2.7.0" />

Org.BouncyCastle.Crypto.Modes.Gcm.IGcmMultiplier

public interface IGcmMultiplier
namespace Org.BouncyCastle.Crypto.Modes.Gcm { public interface IGcmMultiplier { void Init(byte[] H); void MultiplyH(byte[] x); } }