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

ChannelBinding

public abstract class ChannelBinding
RFC 5056
namespace Org.BouncyCastle.Tls { public abstract class ChannelBinding { public const int tls_server_end_point = 0; public const int tls_unique = 1; public const int tls_unique_for_telnet = 2; public const int tls_exporter = 3; } }