RXGK_CombineTokens RXGK_GSSNegotiate rxgk_NewClientSecurityObject rxgk_NewServerSecurityObject rxgk_check_mic_in_key rxgk_cipher_expansion rxgk_copy_key rxgk_decrypt_in_key rxgk_derive_tk rxgk_encrypt_in_key rxgk_make_key rxgk_mic_in_key rxgk_mic_length rxgk_nonce rxgk_random_key rxgk_release_key