<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.0" />

ExporterLabel

public abstract class ExporterLabel
RFC 5705
namespace Org.BouncyCastle.Tls { public abstract class ExporterLabel { public const string client_finished = "client finished"; public const string server_finished = "server finished"; public const string master_secret = "master secret"; public const string key_expansion = "key expansion"; public const string client_EAP_encryption = "client EAP encryption"; public const string ttls_keying_material = "ttls keying material"; public const string ttls_challenge = "ttls challenge"; public const string dtls_srtp = "EXTRACTOR-dtls_srtp"; public const string extended_master_secret = "extended master secret"; public const string token_binding = "EXPORTER-Token-Binding"; } }