<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />

Org.BouncyCastle.Tls.TlsDHGroupVerifier

public interface TlsDHGroupVerifier
Interface for verifying explicit Diffie-Hellman group parameters.
namespace Org.BouncyCastle.Tls { public interface TlsDHGroupVerifier { bool Accept(DHGroup dhGroup); } }