def _create_signup_data(self):
"""
Create WPE signup data.
Returns :
signup_data - Relevant signup data to be used for requests to the
enclave
"""
# Instantiate enclaveinfo & initialize enclave in the process
signup_data = enclave_info.WorkOrderProcessorEnclaveInfo(
self._config.get("EnclaveModule"))
self._wpe_requester = WPERequester(self._config)
signup_cpp_obj = enclave.SignupInfoWPE()
# Generate a nonce in trusted code
verification_key_nonce = signup_cpp_obj.GenerateNonce(32)
logger.info("Nonce generated by requester WPE : %s",
verification_key_nonce)
response = self._wpe_requester.get_unique_verification_key(
verification_key_nonce)
# Received response contains result,verification_key and
# verification_key_signature delimited by ' '
self._unique_verification_key = response.split(' ')[1]
# signup enclave
signup_data.create_enclave_signup_data(self._unique_verification_key)
# return signup data
logger.info("WPE signup data {}".format(signup_data.proof_data))
return signup_data
def _create_signup_data(self):
"""
Create WPE signup data.
Returns :
signup_data - Relevant signup data to be used for requests to the
enclave
"""
self._wpe_requester = WPERequester(self._config)
# Instantiate enclaveinfo & initialize enclave in the process
signup_data = enclave_info.WorkOrderProcessorEnclaveInfo(
self._config, EnclaveType.WPE)
signup_cpp_obj = enclave.SignupInfoWPE()
# Generate a nonce in trusted code
verification_key_nonce = signup_cpp_obj.GenerateNonce(32)
logger.info("Nonce generated by requester WPE : %s",
verification_key_nonce)
response = self._wpe_requester.get_unique_verification_key(
verification_key_nonce)
if response is None:
logger.error("Failed to get Unique ID from KME")
return None
# Received response contains result,verification_key and
# verification_key_signature delimited by ' '
self._unique_verification_key = response.split(' ')[1]
self._unique_verification_key_signature = response.split(' ')[2]
# Verify unique verification key signature using unique id
result = signup_cpp_obj.VerifyUniqueIdSignature(
self._unique_verification_key,
self._unique_verification_key_signature)
if result != 0:
logger.error("Failed to verify unique id signature")
return None
self.mr_enclave = signup_data.get_enclave_measurement()
# signup enclave
signup_data.create_enclave_signup_data(self._unique_verification_key)
# return signup data
logger.info("WPE signup data {}".format(signup_data.proof_data))
return signup_data