net\System\Net\SecureProtocols\NegotiateStream.cs (4)
215return BeginAuthenticateAsServer((NetworkCredential)CredentialCache.DefaultCredentials, null, ProtectionLevel.EncryptAndSign, TokenImpersonationLevel.Identification, asyncCallback, asyncState);
221return BeginAuthenticateAsServer((NetworkCredential)CredentialCache.DefaultCredentials, policy, ProtectionLevel.EncryptAndSign, TokenImpersonationLevel.Identification, asyncCallback, asyncState);
231return BeginAuthenticateAsServer(credential, null, requiredProtectionLevel, requiredImpersonationLevel, asyncCallback, asyncState);
328return Task.Factory.FromAsync((callback, state) => BeginAuthenticateAsServer(credential, policy, requiredProtectionLevel, requiredImpersonationLevel, callback, state), EndAuthenticateAsClient, null);