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              log("*** " & testcasename() & ": INFO: Enrolment succeed ***");
            }
            log("*** " & testcasename() & ": DEBUG: v_inner_ec_response= ", v_inner_ec_response);
            log("*** " & testcasename() & ": DEBUG: = ", v_private_key_ec);

            // Generate an ButterflyAutorizationRequest
            f_http_build_butterfly_authorization_request_message(v_private_key_ec, v_ec_cert_hashed_id8, v_caterpillar_private_key, v_caterpillar_public_key_compressed, v_caterpillar_compressed_mode, v_caterpillar_enc_private_key, v_caterpillar_enc_public_key_compressed, v_caterpillar_enc_compressed_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce, v_salt, v_ieee1609dot2_signed_and_encrypted_data, v_request_hash, v_ee_ra_cert_request);
            log("*** " & testcasename() & ": DEBUG: v_ee_ra_cert_request= ", v_ee_ra_cert_request);
            log("*** " & testcasename() & ": DEBUG: v_caterpillar_private_key= ", v_caterpillar_private_key);
            v_aes_sym_key_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256('80'O & v_aes_sym_key)); // Used to match the response
            f_init_default_headers_list(-, "bfk_auth_request", v_headers);
            f_http_send(
                        v_headers,
                        m_http_request(
                                       m_http_request_post(
                                                           PICS_HTTP_POST_URI_BFK_AUTH,
                                                           v_headers,
                                                           m_http_message_body_binary(
                                                                                      m_binary_body_ieee1609dot2_data(
                                                                                                                      v_ieee1609dot2_signed_and_encrypted_data
                                                                                                                      )))));
            tc_ac.start;
            alt {
              [] a_await_ec_http_response_from_iut(
                                                   mw_http_response(
                                                                    mw_http_response_ok(
                                                                                        mw_http_message_body_binary(
                                                                                                                    mw_binary_body_ieee1609dot2_data(
                                                                                                                                                     mw_butterflyAuthorizationResponseMessage(
                                                                                                                                                                                              mw_signedData(
                                                                                                                                                                                                            sha256,
                                                                                                                                                                                                            mw_toBeSignedData,
                                                                                                                                                                                                            m_signerIdentifier_digest(vc_eaHashedId8)
                                                                    )))))),
                                                  v_response
                                                  ) {
                tc_ac.stop;

                var octetstring v_tbs := bit2oct(encvalue(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData));
                if (f_verifyEcdsa(v_tbs, vc_eaWholeHash256, v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.signature_, vc_eaCertificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
                  log("*** " & testcasename() & ": INCONC: Failed to verify signature message ***");
                  return false;
                } else {
                  var bitstring v_etsi_ts_102941_data_content_msg := oct2bit(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData.payload.data.content.unsecuredData);
                  /** 
                  TITIAN BUG
                  https://www.eclipse.org/forums/index.php/t/1113606/

                  var EtsiTs102941MessagesCa.EtsiTs102941Data v_etsi_ts_102941_data;
                  if (decvalue(v_etsi_ts_102941_data_content_msg, v_etsi_ts_102941_data) != 0) {
                    log("*** " & testcasename() & ": INCONC: Failed to decode message ***");
                    return false;
                  } else {
                    log("*** " & testcasename() & ": DBG: v_etsi_ts_102941_data: ", v_etsi_ts_102941_data);
                    log("*** " & testcasename() & ": INFO: match ", match(v_etsi_ts_102941_data.content, mw_butterflyAuthorizationResponse(mw_ra_ee_cert_info)), " ***"); // TODO In TITAN, this is the only way to get the unmatching in log
                    if (not(match(v_etsi_ts_102941_data.content, mw_butterflyAuthorizationResponse(mw_ra_ee_cert_info)))) {
                      log("*** " & testcasename() & ": FAIL: Unexpected message ***");
                      return false;
                    } else {
                      log("*** " & testcasename() & ": INFO: ButterflyAuthorizationResponseMessage received ***");
                      p_ra_ee_cert_info := v_etsi_ts_102941_data.content.butterflyAuthorizationResponse;
                    }
                  }
                  **/
                  // Extract currentI, request hash && nextDlTime
                  var integer v_len := lengthof(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData.payload.data.content.unsecuredData);
                  var IValue v_currentI := oct2int(substr(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData.payload.data.content.unsecuredData, v_len - 4 - 8 - 2, 2));
                  var HashedId8 v_requestHash := substr(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData.payload.data.content.unsecuredData, v_len - 4 - 8, 8);
                  var Time32 v_nextDlTime := oct2int(substr(v_response.response.body.binary_body.ieee1609dot2_data.content.signedData.tbsData.payload.data.content.unsecuredData, v_len - 4, 4));
                  log("*** " & testcasename() & ": DBG: nextDlTime: ", v_nextDlTime);
                  log("*** " & testcasename() & ": DBG: request hash: ", v_requestHash);
                  log("*** " & testcasename() & ": DBG: currentI: ", v_currentI);
                  log("*** " & testcasename() & ": DBG: v_nextDlTime - f_getCurrentTime/100: ", f_getCurrentTime() / 1000);
                  log("*** " & testcasename() & ": DBG: v_nextDlTime - CurrentTime: ", v_nextDlTime - f_getCurrentTime() / 1000);
                  log("*** " & testcasename() & ": INFO: ButterflyAuthorizationResponseMessage received ***");
                  p_ra_ee_cert_info := valueof(
                                               m_ra_ee_cert_info(
                                                                 f_getCurrentTime() / 1000,
                                                                 v_currentI,
                                                                 v_requestHash,
                                                                 v_nextDlTime
                                               ));
                }
                log("*** " & testcasename() & ": INFO: p_ra_ee_cert_info: ", p_ra_ee_cert_info, " ***");
              }
              [] tc_ac.timeout {
                log("*** " & testcasename() & ": INCONC: Expected message not received ***");
                return false;
              }
            } // End of 'alt' statement

            return true;
          } // End of function f_trigger_butterfly_authorization_request

          function f_verify_http_butterfly_cert_request_message_from_aa(
                                                                        in Request p_request,
                                                                        in Headers p_headers,
                                                                        in boolean p_checked_cocoon_keys_derivation := false,
                                                                        in template (omit) octetstring p_caterpilar_compressed_key := omit,
                                                                        out integer p_result,
                                                                        out RaAcaCertRequest p_butterflyCertificateRequest,
                                                                        out HttpMessage p_response
                                                                        ) runs on ItsPkiHttp {

            // Local variables
            var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
            var EtsiTs102941Data v_etsi_ts_102941_data;
            var template (value) HttpMessage v_response;
            var Oct16 v_request_hash;
            var HashedId8 v_bfk_hashed_id8;
            var Oct16 v_aes_enc_key;

            log(">>> f_verify_http_butterfly_cert_request_message_from_aa: ", p_request);

            p_result := 0;

            if (f_verify_pki_request_message(vc_aaPrivateEncKey, vc_aaWholeHash/*salt*/, ''O, 
                                             omit,
                                             p_request.body.binary_body.ieee1609dot2_data, true, v_request_hash, v_bfk_hashed_id8, v_etsi_ts_102941_data, v_aes_enc_key) == false) { // Cannot decrypt the message
              // Send error message
              v_response := m_http_response(m_http_response_ko_no_body(p_headers, 400, "Bad request")); // Initialize v_reponse with an error message
              // Set verdict
              p_result := -1;
            } else {
              var UInt64 v_current_time := f_getCurrentTimeUtc();
              var UInt64 v_delta_time := 30;
              log("f_verify_http_butterfly_cert_request_message_from_aa: match ", match(v_etsi_ts_102941_data, mw_etsiTs102941Data_ra_aca_cert_request(mw_ra_aca_cert_request))); // TODO In TITAN, this is the only way to get the unmatching in log
              if (match(v_etsi_ts_102941_data, mw_etsiTs102941Data_ra_aca_cert_request(mw_ra_aca_cert_request((v_current_time - v_delta_time .. v_current_time + v_delta_time), explicit, '00000000'B/*butterflyExplicit*/, mw_bfk_to_be_signed_certificate))) == false) {
                // Send error message
                v_response := m_http_response(m_http_response_ko_no_body(p_headers, 400, "Bad request")); // Initialize v_reponse with an error message
                // Set verdict
                p_result := -2;
              } else {
                if (p_checked_cocoon_keys_derivation == true) {
                  // FIXME FSCOM if (f_check_cocoon_keys_derivation(v_etsi_ts_102941_data.content.butterflyCertificateRequest.tbsCert.verifyKeyIndicator, ))
                } else {
                  var AcaRaCertResponse v_aca_ra_cert_response;
                  var HashedId8 v_hashedId8;
                  var octetstring v_msg := bit2oct(encvalue(p_request.body.binary_body.ieee1609dot2_data));

                  v_hashedId8 := f_hashedId8FromSha256(f_hashWithSha256(v_msg));
                  f_http_build_butterfly_cert_response(v_hashedId8, vc_eaPrivateKey, vc_eaWholeHash, v_aes_enc_key, v_aca_ra_cert_response, v_ieee1609dot2_signed_and_encrypted_data);
                  v_response := m_http_response(m_http_response_ok(m_http_message_body_binary(m_binary_body_ieee1609dot2_data(v_ieee1609dot2_signed_and_encrypted_data)), p_headers));
                  p_butterflyCertificateRequest := v_etsi_ts_102941_data.content.butterflyCertificateRequest;
                }
              }
            }

            p_response := valueof(v_response);
            log("<<< f_verify_http_butterfly_cert_request_message_from_aa: p_response: ", p_response);
            log("<<< f_verify_http_butterfly_cert_request_message_from_aa: p_result: ", p_result);
          } // End of function f_verify_http_butterfly_cert_request_message_from_aa


        /**
        * @desc Check that the EA sends butterfly certificate request message after receiving of the butterfly authorization request
        *       Check that this message is encrypted for the AA
        *       Check that this message is signed with the EA certificate
        * <pre>
        * Pics Selection: PICS_IUT_EA_ROLE
        * Initial conditions:
        *     the EA in 'operational' state
        *         authorized with CERT_EA certificate
        *     and the AA is emulated by TS and
        *         authorized with CERT_AA certificate
        *     and EA is configured to use emulated AA to generate certificates
        * Expected behaviour:
        *     ensure that {
        *         when {
        *             the IUT received the ButterflyAuthorizationRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing content.butterflyAuthorizationRequest
        *         }
        *         then {
        *             the IUT sends a EtsiTs103097Data to the AA
        *                 containing content.encryptedData
        *                     containing recipients
        *                         indicating size 1
        *                         and containing the instance of RecipientInfo
        *                             containing certRecipInfo
        *                                 containing recipientId
        *                                     indicating HashedId8 of the CERT_AA
        *                     and containing encrypted representation of EtsiTs103097Data
        *                         containing signedData
        *                             containing tbsData
        *                                 containing headerInfo
        *                                     containing psid
        *                                         indicating AID_PKI_CERT_REQUEST
        *                                     and containing payload.data
        *                                         containing EtsiTs102941Data
        *                                             containing version
        *                                                 indicating ‘1’
        *                                         and containing content
        *                                             containing butterflyCertificateRequest
        *                                     and containing signer
        *                                         containing digest
        *                                           indicating HashedId8 of the CERT_EA
        *         }
        *     }
        * </pre>
        * 
        * @see       ETSI TS 103 525-2 v2.0.1 TP SECPKI_EA_BFK_AUTH_03_BV
        * @reference ETSI TS 102 941 [1], clause 6.2.3.5.4
        */
        testcase TC_SECPKI_EA_BFK_AUTH_03_BV() runs on ItsPkiHttp system ItsPkiHttpSystem {
          // Local variables
          var boolean v_received_butterfly_authorization_response := false;
          var boolean v_tb_done := false;
          var HashedId8 v_aes_sym_key_hashed_id8;
          var Headers v_headers;
          var HttpMessage v_request;
          var HttpMessage v_response;
          var integer v_result;
          var EeRaCertRequest v_ee_ra_cert_request;
          var RaEeCertInfo p_ra_ee_cert_info;
          var RaAcaCertRequest v_butterflyCertificateRequest;

          // Test control
          if (not PICS_IUT_EA_ROLE) {
            log("*** " & testcasename() & ": PICS_IUT_EA_ROLE required for executing the TC ***");
            setverdict(inconc);
            stop;
          }

          // Test component configuration
          f_cfHttpUp(PICS_TS_EA_CERTIFICATE_ID);

          // Test adapter configuration

          // Preamble
          f_trigger_butterfly_authorization_request(v_aes_sym_key_hashed_id8, v_ee_ra_cert_request, p_ra_ee_cert_info);
          log("*** " & testcasename() & ": INFO: p_ra_ee_cert_info:", p_ra_ee_cert_info, " ***");
          f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);

          // Test Body
          tc_ac.start;
          alt {
            [] httpAtVPort.receive(
                                   mw_http_request(
                                                   mw_http_request_post(
                                                                        -, // URI
                                                                        v_headers, // Headers
                                                                        mw_http_message_body_binary(
                                                                                                    mw_binary_body_ieee1609dot2_data(
                                                                                                                                     mw_butterflyCertRequestMessage(
                                                                                                                                                                    mw_encryptedData
                                  )))))) -> value v_request {
              tc_ac.stop;

              log("+++++++++++++++++++++++++++++++++++++++++++++++", v_request);
              f_verify_http_butterfly_cert_request_message_from_aa(v_request.request, v_headers, -, -, v_result, v_butterflyCertificateRequest, v_response);
              // Send response forcing error code
              if (isvalue(v_response)) {
                httpPort.send(v_response);
              }
              // Set verdict
              if (v_result == 0) {
                log("*** " & testcasename() & ": PASS: ButterflyCertRequestMessage received ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_success);
              } else {
                log("*** " & testcasename() & ": FAIL: Failed to verify ButterflyCertRequestMessage ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_error);
              }
              v_tb_done := true;
              if (v_received_butterfly_authorization_response == false) {
                log("*** " & testcasename() & ": INFO: ButterflyAuthorizationResponse not received yet ***");
                tc_ac.start;
                repeat;
              }
            }
            [] a_await_ec_http_response_from_iut(
                                                 mw_http_response(
                                                                  mw_http_response_ok(
                                                                                      mw_http_message_body_binary(
                                                                                                                  mw_binary_body_ieee1609dot2_data(
                                                                                                                                                  mw_enrolmentResponseMessage(
                                                                                                                                                                              mw_encryptedData(
                                                                                                                                                                                                { *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
                                                                                                                                                                                                mw_symmetricCiphertext_aes128ccm
                                                                                                                                                                                                )))))),
                                                v_response
                                                ) {
              tc_ac.stop;

              if (v_tb_done == false) {
                v_received_butterfly_authorization_response := true;
                tc_ac.start;
                repeat;
              } // else, end on the test case
            }
            [] tc_ac.timeout {
              log("*** " & testcasename() & ": INCONC: Expected message not received ***");
              f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_timeout);
            }
          } // End of 'alt' statement

          // Postamble
          f_cfHttpDown();

        } // End of testcase TC_SECPKI_EA_BFK_AUTH_03_BV

        /**
        * @desc Check that the butterfly certificate request message sent by EA to AA contains all required elements
        * <pre>
        * Pics Selection: PICS_IUT_EA_ROLE
        * Initial conditions:
        *     the EA in 'operational' state
        *         authorized with CERT_EA certificate
        *     and the EA already received the ButterflyAuthorizationRequestMessage
        *         indicating the sha256 message hash MSG_HASH
        *     and the EA already responded with ButterflyAuthorizationResponseMessage
        *         containing EtsiTs102941Data
        *             containing butterflyAuthorizationResponse
        *                 containing nextDlTime
        *                     indicating DNL_TIME
        * Expected behaviour:
        *     ensure that {
        *         when {
        *             the IUT received the ButterflyAtDownloadRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing butterflyAtDownloadRequest
        *                         containing EeRaCertRequest
        *                             containing generationTime
        *                                 indicating REQ_TIME
        *         }
        *         then {
        *             the IUT sends to the AA the ButterflyCertRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing content
        *                         containing butterflyCertificateRequest
        *                             containing RaAcaCertRequest
        *                                 containing version
        *                                     indicating 2
        *                             and containing generationTime
        *                                 indicating value between REQ_TIME and the current time
        *                             and containing flags
        *                                 indicating empty bit string
        *                             and containing certEncKey
        *                             and containing tbsCert
        *                             and not containing linkageInfo
        *         }
        *     }
        * </pre>
        * 
        * @see       ETSI TS 103 525-2 v2.0.1 TP SECPKI_EA_BFK_AUTH_04_BV
        * @reference ETSI TS 102 941 [1], clause 6.2.3.5.4
        */
        testcase TC_SECPKI_EA_BFK_AUTH_04_BV() runs on ItsPkiHttp system ItsPkiHttpSystem {
          // Local variables
          var boolean v_received_butterfly_authorization_response := false;
          var boolean v_tb_done := false;
          var HashedId8 v_aes_sym_key_hashed_id8;
          var Headers v_headers;
          var HttpMessage v_request;
          var HttpMessage v_response;
          var integer v_result;
          var EeRaCertRequest v_ee_ra_cert_request;
          var RaEeCertInfo p_ra_ee_cert_info;
          var RaAcaCertRequest v_butterflyCertificateRequest;

          // Test control
          if (not PICS_IUT_EA_ROLE) {
            log("*** " & testcasename() & ": PICS_IUT_EA_ROLE required for executing the TC ***");
            setverdict(inconc);
            stop;
          }

          // Test component configuration
          f_cfHttpUp(PICS_TS_EA_CERTIFICATE_ID);

          // Test adapter configuration

          // Preamble
          f_trigger_butterfly_authorization_request(v_aes_sym_key_hashed_id8, v_ee_ra_cert_request, p_ra_ee_cert_info);
          f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);

          // Test Body
          tc_ac.start;
          alt {
            [] httpAtVPort.receive(
                                   mw_http_request(
                                                   mw_http_request_post(
                                                                        -, // URI
                                                                        v_headers, // Headers
                                                                        mw_http_message_body_binary(
                                                                                                    mw_binary_body_ieee1609dot2_data(
                                                                                                                                     mw_butterflyCertRequestMessage(
                                                                                                                                                                    mw_encryptedData
                                  )))))) -> value v_request {
              tc_ac.stop;

              f_verify_http_butterfly_cert_request_message_from_aa(v_request.request, v_headers, -, -, v_result, v_butterflyCertificateRequest, v_response);
              // TODO Check v_butterflyCertificateRequest
              // FIXME Some check can be moved to  f_verify_http_butterfly_cert_request_message_from_aa




              // Send response forcing error code
              if (isvalue(v_response)) {
                httpPort.send(v_response);
              }
              // Set verdict
              if (v_result == 0) {
                log("*** " & testcasename() & ": PASS: ButterflyCertRequestMessage received ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_success);
              } else {
                log("*** " & testcasename() & ": FAIL: Failed to verify ButterflyCertRequestMessage ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_error);
              }
              v_tb_done := true;
              if (v_received_butterfly_authorization_response == false) {
                log("*** " & testcasename() & ": INFO: ButterflyAuthorizationResponse not received yet ***");
                tc_ac.start;
                repeat;
              }
            }
            [] a_await_ec_http_response_from_iut(
                                                 mw_http_response(
                                                                  mw_http_response_ok(
                                                                                      mw_http_message_body_binary(
                                                                                                                  mw_binary_body_ieee1609dot2_data(
                                                                                                                                                  mw_enrolmentResponseMessage(
                                                                                                                                                                              mw_encryptedData(
                                                                                                                                                                                                { *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
                                                                                                                                                                                                mw_symmetricCiphertext_aes128ccm
                                                                                                                                                                                                )))))),
                                                v_response
                                                ) {
              tc_ac.stop;

              if (v_tb_done == false) {
                v_received_butterfly_authorization_response := true;
                tc_ac.start;
                repeat;
              } // else, end on the test case
            }
            [] tc_ac.timeout {
              log("*** " & testcasename() & ": INCONC: Expected message not received ***");
              f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_timeout);
            }
          } // End of 'alt' statement

          // Postamble
          f_cfHttpDown();

        } // End of testcase TC_SECPKI_EA_BFK_AUTH_04_BV

        /**
        * @desc Check that the butterfly certificate request message contains expanded cocoon key
        * <pre>
        * Pics Selection: PICS_IUT_EA_ROLE
        *     the EA in 'operational' state
        *         authorized with CERT_EA certificate
        *     and the AA in 'operational' state
        *         authorized with CERT_AA certificate
        *     and EA is configured to use AA of the current configuration to generate certificates
        * Initial conditions:
        * Expected behaviour:
        *     ensure that {
        *         when {
        *             the IUT received the ButterflyAuthorizationRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing content.butterflyAuthorizationRequest
        *                         containing EeRaCertRequest
        *                             containing tbsCert (TBS_CERT)
        *                                 containing verification key (CATERPILLAR_KEY)
        *         }
        *         then {
        *             the IUT sends to the AA the ButterflyCertRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing content
        *                         containing butterflyCertificateRequest
        *                             containing RaAcaCertRequest
        *                                 containing tbsCert
        *                                     containing verificationKey 
        *                                         containing “cocoon” key
        *                                             derived from the CATERPILLAR_KEY
        *         }
        *     }
        * </pre>
        * 
        * @see       ETSI TS 103 525-2 v2.0.1 TP SECPKI_EA_BFK_AUTH_05_BV
        * @reference ETSI TS 102 941 [1], clause 6.2.3.5.4
        */
        testcase TC_SECPKI_EA_BFK_AUTH_05_BV() runs on ItsPkiHttp system ItsPkiHttpSystem {
          // Local variables
          var boolean v_received_butterfly_authorization_response := false;
          var boolean v_tb_done := false;
          var HashedId8 v_aes_sym_key_hashed_id8;
          var Headers v_headers;
          var HttpMessage v_request;
          var HttpMessage v_response;
          var integer v_result;
          var EeRaCertRequest v_ee_ra_cert_request;
          var RaEeCertInfo p_ra_ee_cert_info;
          var RaAcaCertRequest v_butterflyCertificateRequest;

          // Test control
          if (not PICS_IUT_EA_ROLE) {
            log("*** " & testcasename() & ": PICS_IUT_EA_ROLE required for executing the TC ***");
            setverdict(inconc);
            stop;
          }

          // Test component configuration
          f_cfHttpUp(PICS_TS_EA_CERTIFICATE_ID);

          // Test adapter configuration

          // Preamble
          f_trigger_butterfly_authorization_request(v_aes_sym_key_hashed_id8, v_ee_ra_cert_request, p_ra_ee_cert_info);
          f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);

          // Test Body
          tc_ac.start;
          alt {
            [] httpAtVPort.receive(
                                   mw_http_request(
                                                   mw_http_request_post(
                                                                        -, // URI
                                                                        v_headers, // Headers
                                                                        mw_http_message_body_binary(
                                                                                                    mw_binary_body_ieee1609dot2_data(
                                                                                                                                     mw_butterflyCertRequestMessage(
                                                                                                                                                                    mw_encryptedData
                                  )))))) -> value v_request {
              tc_ac.stop;

              f_verify_http_butterfly_cert_request_message_from_aa(v_request.request, v_headers, true, -, v_result, v_butterflyCertificateRequest, v_response);
              // Send response forcing error code
              if (isvalue(v_response)) {
                httpPort.send(v_response);
              }
              // Set verdict
              if (v_result == 0) {
                log("*** " & testcasename() & ": PASS: ButterflyCertRequestMessage received ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_success);
              } else {
                log("*** " & testcasename() & ": FAIL: Failed to verify ButterflyCertRequestMessage ***");
                f_selfOrClientSyncAndVerdict(c_tbDone, e_error);
              }
              v_tb_done := true;
              if (v_received_butterfly_authorization_response == false) {
                log("*** " & testcasename() & ": INFO: ButterflyAuthorizationResponse not received yet ***");
                tc_ac.start;
                repeat;
              }
            }
            [] a_await_ec_http_response_from_iut(
                                                 mw_http_response(
                                                                  mw_http_response_ok(
                                                                                      mw_http_message_body_binary(
                                                                                                                  mw_binary_body_ieee1609dot2_data(
                                                                                                                                                  mw_enrolmentResponseMessage(
                                                                                                                                                                              mw_encryptedData(
                                                                                                                                                                                                { *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
                                                                                                                                                                                                mw_symmetricCiphertext_aes128ccm
                                                                                                                                                                                                )))))),
                                                v_response
                                                ) {
              tc_ac.stop;

              if (v_tb_done == false) {
                v_received_butterfly_authorization_response := true;
                tc_ac.start;
                repeat;
              } // else, end on the test case
            }
            [] tc_ac.timeout {
              log("*** " & testcasename() & ": INCONC: Expected message not received ***");
              f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_timeout);
            }
          } // End of 'alt' statement

          // Postamble
          f_cfHttpDown();

        } // End of testcase TC_SECPKI_EA_BFK_AUTH_05_BV

      } // End of group ea_bfk_cert_request
      // ETSI TS 103 525-2 V2.0.2 (2023-07) Clause 5.4.6.2  Authorization certificate download
      group ea_bfk_auth_cert_download {

        /**
        * @desc Check that the butterfly certificate request message sent by EA to AA  contains all required elements
        * <pre>
        * Pics Selection: PICS_IUT_EA_ROLE
        * Initial conditions:
        *     the EA in 'operational' state
        *         authorized with CERT_EA certificate
        *     and the EA already responded with ButterflyAuthorizationResponseMessage (MSG_RESPONSE)
        *         containing EtsiTs102941Data
        *             containing butterflyAuthorizationResponse
        *                 containing nextDlTime
        *                     indicating DNL_TIME
        *                 and containing currentI
        *                     indicating I_VALUE
        *                 and containing requestHash
        *                     indicating MSG_HASH
        *     and the EA already received from emullated AA one or more ButterflyCertResponse messages
        *         containing AcaEeCertResponsePrivateSpdu (CERT_RESPONSE)
        * Expected behaviour:
        *     ensure that {
        *         when {
        *             the IUT received the ButterflyAtDownloadRequestMessage
        *                 containing EtsiTs102941Data
        *                     containing butterflyAtDownloadRequest
        *                         indicating EeRaDownloadRequest
        *                     containing generationTime
        *                         indicating DNL_TIME + 1
        *                     and containing filename
        *                         indicating MSG_HASH + “_” + hex(I_VALUE) + ".zip"
        *         }
        *         then {
        *             the IUT sends the requested batch of certificates
        *                 containing file hex(I_VALUE) + “.info”
        *                     indicating COER encoding of MSG_RESPONSE
        *                 and containing a set of files hex(I_VALUE) + “_” + (0..N)
        *                     indicating COER encoding of AcaEeCertResponsePrivateSpdu (CERT_RESPONSE)
        *         }
        *     }
        * </pre>
        * 
        * @see       ETSI TS 103 525-2 v2.0.1 TP SECPKI_EA_BFK_AUTH_06_BV
        * @reference ETSI TS 102 941 [1], clause 6.2.3.5.1, 6.2.3.5.3
        */
        testcase TC_SECPKI_EA_BFK_AUTH_06_BV() runs on ItsPkiHttp system ItsPkiHttpSystem {
          // Local variables
          var octetstring v_private_key;
          var Oct32 v_request_hash;
          var Oct16 v_encrypted_sym_key;
          var Oct16 v_aes_sym_key;
          var HashedId8 v_aes_sym_key_hashed_id8;
          var Oct16 v_authentication_vector;
          var Oct12 v_nonce;
          var octetstring v_salt;
          var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
          var Headers v_headers;
          var HttpMessage v_response;
          var EeRaCertRequest v_ee_ra_cert_request;
          var RaEeCertInfo p_ra_ee_cert_info;
          var EtsiTs102941Data v_etsi_ts_102941_data;

          // Test control
          if (not PICS_IUT_EA_ROLE) {
            log("*** " & testcasename() & ": PICS_IUT_EA_ROLE required for executing the TC ***");
            setverdict(inconc);
            stop;
          }

          // Test component configuration
          f_cfHttpUp(PICS_TS_EA_CERTIFICATE_ID);

          // Test adapter configuration

          // Preamble
          f_trigger_butterfly_authorization_request(v_aes_sym_key_hashed_id8, v_ee_ra_cert_request, p_ra_ee_cert_info);

          // Wait for v_ee_ra_cert_request.nextDlTime
          var float v_timer := int2float(p_ra_ee_cert_info.nextDlTime - p_ra_ee_cert_info.generationTime + 2);
          log("*** " & testcasename() & ": INFO: Start wailting for " & float2str(v_timer) & " seconds ***");
          f_sleepIgnoreDef(v_timer);
          log("*** " & testcasename() & ": INFO: timer of " & float2str(v_timer) & " seconds expierd message ***");

          // FISME FSCOM In int2hex, 3 is arbitrary. Need to check the range of currentI to set the correct hex string length 
          f_http_build_butterfly_at_download_request_message(hex2str(oct2hex(p_ra_ee_cert_info.requestHash)) & "-" & hex2str(int2hex(p_ra_ee_cert_info.currentI, 3)) & ".zip", v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce, v_salt, v_ieee1609dot2_signed_and_encrypted_data, v_request_hash);
          v_aes_sym_key_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256('80'O & v_aes_sym_key)); // Used to match the response
          f_init_default_headers_list(-, "bfk_at_download_request", v_headers);
          f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);

          // Test Body
          f_http_send(
                      v_headers,
                      m_http_request(
                                    m_http_request_post(
                                                        PICS_HTTP_POST_URI_BFK_AT_DOWNLOAD,
                                                        v_headers,
                                                        m_http_message_body_binary(
                                                                                   m_binary_body_ieee1609dot2_data(
                                                                                                                   v_ieee1609dot2_signed_and_encrypted_data
                                                                                                                   )))));
          tc_ac.start;
          alt {
            [] a_await_ec_http_response_from_iut(
                                                 mw_http_response(
                                                                  mw_http_response_ok(
                                                                                      mw_http_message_body_binary(
                                                                                                                  mw_binary_body_ieee1609dot2_data(
                                                                                                                                                   mw_butterflyCertResponseMessage(
                                                                                                                                                                                   mw_encryptedData(
                                                                                                                                                                                                    { *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
                                                                                                                                                                                                    mw_symmetricCiphertext_aes128ccm
                                                                                                                                                                                                    )))))),
                                                v_response
                                                ) {
              tc_ac.stop;

              if (f_verify_pki_response_message(v_private_key, v_aes_sym_key, v_authentication_vector, vc_eaWholeHash, v_response.response.body.binary_body.ieee1609dot2_data, true, 1, v_etsi_ts_102941_data) == false) {
                log("*** " & testcasename() & ": FAIL: Failed to verify PKI message ***");
                f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
              } else {
                log(match(v_etsi_ts_102941_data, mw_etsiTs102941Data_ra_aca_cert_response(mw_ra_aca_cert_response)));
                if (match(v_etsi_ts_102941_data, mw_etsiTs102941Data_ra_aca_cert_response(mw_ra_aca_cert_response)) == true) {
                  log("*** " & testcasename() & ": PASS: Well formated ButterflyAuthorizationResponseMessage received ***");
                  f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_success);
                } else {
                  log("*** " & testcasename() & ": FAIL: Invalid ButterflyAuthorizationResponseMessage received ***");
                  f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
                }
              }
            }
            [] tc_ac.timeout {
              log("*** " & testcasename() & ": INCONC: Expected message not received ***");
              f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_timeout);
            }
          } // End of 'alt' statement

          // Postamble
          f_cfHttpDown();

        } // End of testcase TC_SECPKI_EA_BFK_AUTH_06_BV

      } // End of group ea_bfk_auth_cert_download
    } // End of group ea_authorization_with_bfk

  } // End of group ea_behavior

  // ETSI TS 103 525-2 V2.0.2 (2023-07) Clause 5.5  AA behaviour
  group aa_behavior {

    group aa_helpers {

      function f_verify_http_at_response_from_iut_aa(
                                                     in Response p_response,
                                                     in octetstring p_private_key,
                                                     in Oct16 p_aes_sym_key,
                                                     in Oct16 p_authentication_vector,
                                                     in Oct32 p_request_hash,
                                                     out InnerAtResponse p_authorization_response,
                                                     out integer p_result
                                                     ) runs on ItsPkiHttp {
        // Local variables
        var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
        var EtsiTs102941Data v_etsi_ts_102941_data;
        var Oct16 v_aes_enc_key;
        var InnerEcResponse v_inner_ec_response;

        log(">>> f_verify_http_at_response_from_iut_aa: p_response= ", p_response);
        log(">>> f_verify_http_at_response_from_iut_aa: p_private_key= ", p_private_key);
        log(">>> f_verify_http_at_response_from_iut_aa: p_aes_sym_key= ", p_aes_sym_key);
        log(">>> f_verify_http_at_response_from_iut_aa: p_authentication_vector= ", p_authentication_vector);
        log(">>> f_verify_http_at_response_from_iut_aa: p_request_hash= ", p_request_hash);

        p_result := 0;

        if (f_verify_pki_response_message(p_private_key, p_aes_sym_key, p_authentication_vector, vc_aaWholeHash, p_response.body.binary_body.ieee1609dot2_data, true, 1, v_etsi_ts_102941_data) == false) {
          // Set verdict
          p_result := -1;
        } else {
          log("f_verify_http_at_response_from_iut_aa: Receive ", v_etsi_ts_102941_data);
          p_authorization_response := v_etsi_ts_102941_data.content.authorizationResponse;
          log(match(v_etsi_ts_102941_data.content, mw_authorizationResponse(mw_innerAtResponse_ok(substr(p_request_hash, 0, 16), mw_etsiTs103097Certificate(-, mw_toBeSignedCertificate_at, -))))); // TODO In TITAN, this is the only way to get the unmatching in log
          if (match(v_etsi_ts_102941_data.content, mw_authorizationResponse(mw_innerAtResponse_ok(substr(p_request_hash, 0, 16), mw_etsiTs103097Certificate(-, mw_toBeSignedCertificate_at, -)))) == false) {
            log(match(v_etsi_ts_102941_data.content, mw_authorizationResponse(mw_innerAtResponse_ko)));
            if (match(v_etsi_ts_102941_data.content, mw_authorizationResponse(mw_innerAtResponse_ko)) == false) {
              // Set verdict
              p_result := -2;
            } else {
              // Set verdict
              p_result := -3;
            }
          } else {
            // Verify AT Certificate signature
            if (f_verifyCertificateSignatureWithIssuingCertificate(v_etsi_ts_102941_data.content.authorizationResponse.certificate, vc_aaCertificate) == false) {
              // Set verdict
              p_result := -4;
            }
            log("f_verify_http_at_response_from_iut_aa: Well-secured AT certificate received");
          }
        }

        log("<<< f_verify_http_at_response_from_iut_aa: p_result: ", p_result);
      } // End of function f_verify_http_at_response_from_iut_aa

    } // End of group aa_helpers 

    // ETSI TS 103 525-2 V2.0.2 (2023-07) Clause 5.5.1  Authorization request handling
    group aa_authorization_request {

      /**
       * @desc Check that the EA/AA is able to decrypt the AuthorizationRequest message using the encryption private key corresponding to the recipient certificate
       *       Check that the EA/AA is able to verify the inner signature
       *       Check that the EA/AA is able to verify the request authenticity using the hmacKey verification
       *       Check that the EA/AA sends the AuthorizationValidationRequest message to the correspondent EA
       * <pre>
       * Pics Selection: PICS_IUT_AA_ROLE and not PICS_PKI_AUTH_POP
       * Initial conditions: 
       *     with {
       *          the EA/AA in "operational state"
       *              authorized with the certificate CERT_AA
       *                  containing encryptionKey (AA_ENC_PUB_KEY)
       *     }
       * Expected behaviour:
       *     ensure that {
       *         when {
       *            the IUT receives an EtsiTs103097Data message
       *                containing content.encryptedData
       *                    containing recipients
       *                        containing the instance of RecipientInfo
       *                            containing certRecipInfo
       *                                containing recipientId
       *                                    indicating HashedId8 of the certificate CERT_AA
       *                                and containing encKey
       *                                    indicating symmetric key (S_KEY)
       *                                        encrypted with the private key correspondent to the AA_ENC_PUB_KEY
       *                    and containing cyphertext (ENC_DATA)
       *                        containing encrypted representation of the EtsiTs103097Data-Signed
       *                            containing content.signedData
       *                                containing hashId
       *                                    indicating valid hash algorythm
       *                and containing signer
       *                    containing self
       *                and containing tbsData (SIGNED_DATA)
       *                    containing payload
       *                        containing EtsiTs102941Data
       *                            containing content.authorizationRequest
       *                                containing publicKeys.verificationKey (V_KEY)
       *                                and containing hmacKey (HMAC)
       *                                and containing sharedAtRequest
       *                                    containing keyTag (KEY_TAG)
       *                                    and containing eaId (EA_ID)
       *                                        indicating HashedId8 of the known EA certificate
       *                and containing signature (SIGNATURE)
       *         }
       *         then {
       *            the IUT is able to decrypt the S_KEY
       *                using the private key
       *                    corresponding to the AA_ENC_PUB_KEY
       *            and the IUT is able to decrypt the cypthertext ENC_DATA
       *                using the S_KEY
       *            and the IUT is able to verify the signature SIGNATURE over the SIGNED_DATA
       *                using the V_KEY
       *            and the IUT is able to verify integrity of HMAC and KEY_TAG
       *            and the IUT sends the AuthorizationValidationRequest message to the EA
       *                identified by the EA_ID
       *         }
       *     }
       * </pre>
       * 
       * @see       ETSI TS 103 525-2 v2.0.1 SECPKI_AA_AUTH_RCV_01_BV
       * @reference ETSI TS 102 941, clause 6.2.3.3.1
       */
      testcase TC_SECPKI_AA_AUTH_RCV_01_BV() runs on ItsPkiHttp system ItsPkiHttpSystem {
        var Oct32 v_private_key_ec;
        var Oct32 v_public_compressed_key_ec;
        var integer v_compressed_key_mode_ec;
        var InnerEcResponse v_inner_ec_response;
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        var Oct32 v_private_key_at;
        var Oct32 v_public_compressed_key_at;
        var integer p_compressed_mode_at;
        var Oct32 v_private_enc_key_at;
        var Oct32 v_public_compressed_enc_key_at;
        var integer v_compressed_enc_mode_at;
        var octetstring v_request_hash;
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        var Oct16 v_encrypted_sym_key;
        var Oct16 v_aes_sym_key;
        var HashedId8 v_aes_sym_key_hashed_id8;
        var Oct16 v_authentication_vector;
        var Oct12 v_nonce;
        var octetstring v_salt;
        var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
        var Headers v_headers;
        var HttpMessage v_request;
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        var HttpMessage v_response;
        var EtsiTs102941Data v_etsi_ts_102941_data;
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        var InnerEcRequest v_inner_ec_request;
        var EtsiTs103097Certificate v_ec_certificate;
        var HashedId8 v_ec_certificate_hashed_id8;
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        // Test control
        if (not PICS_IUT_AA_ROLE or not PICS_PKI_AUTH_POP) {
          log("*** " & testcasename() & ": PICS_IUT_AA_ROLE and PICS_PKI_AUTH_POP required for executing the TC ***");
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          setverdict(inconc);
          stop;
        }
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        // Test component configuration
        f_cfHttpUp(PICS_TS_EA_CERTIFICATE_ID, PICS_IUT_AA_CERTIFICATE_ID);
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        // Test adapter configuration
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        // Preamble
        f_generate_inner_ec_request(v_private_key_ec, v_public_compressed_key_ec, v_compressed_key_mode_ec, v_inner_ec_request);
        f_generate_ec_certificate_for_inner_ec_response(v_inner_ec_request, v_private_key_ec, vc_eaWholeHash, v_ec_certificate, v_ec_certificate_hashed_id8);
        log("*** " & testcasename() & ": DEBUG: v_ec_certificate= ", v_ec_certificate);
        log("*** " & testcasename() & ": DEBUG: v_private_key_ec= ", v_private_key_ec);
        f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);
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        // Test Body
        f_http_build_authorization_request(v_ec_certificate, v_private_key_ec, v_private_key_at, v_public_compressed_key_at, p_compressed_mode_at, v_private_enc_key_at, v_public_compressed_enc_key_at, v_compressed_enc_mode_at, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce, v_salt, v_ieee1609dot2_signed_and_encrypted_data, v_request_hash);
        v_aes_sym_key_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256('80'O & v_aes_sym_key)); // Used to match the response
        f_init_default_headers_list(-, "inner_at_request", v_headers);
        f_http_send(
                    v_headers,
                    m_http_request(
                                   m_http_request_post(
                                                       PICS_HTTP_POST_URI_AT,
                                                       v_headers,
                                                       m_http_message_body_binary(
                                                                                  m_binary_body_ieee1609dot2_data(
                                                                                                                  v_ieee1609dot2_signed_and_encrypted_data
                                                                                                                  )))));
        tc_ac.start;
        alt {
          [] a_await_at_http_response_from_iut(
                                               mw_http_response(
                                                                mw_http_response_ok(
                                                                                    mw_http_message_body_binary(
                                                                                                                mw_binary_body_ieee1609dot2_data(
                                                                                                                                                 mw_authorizationResponseMessage(
                                                                                                                                                                                 mw_encryptedData(
                                                                                                                                                                                                  { *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
                                                                                                                                                                                                  mw_symmetricCiphertext_aes128ccm
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                                                                                                                                                                                                  )))))),
                                               v_response
                                               ) {
            var integer v_result;
            var InnerAtResponse v_authorization_response;
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            tc_ac.stop;
            f_verify_http_at_response_from_iut_aa(v_response.response, v_private_key_at, v_aes_sym_key, v_authentication_vector, v_request_hash, v_authorization_response, v_result);
            log("*** " & testcasename() & ": INFO: AuthorizationResponse= ", v_authorization_response, " ***");
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            // Set verdict
            if (v_result == 0) {
              log("*** " & testcasename() & ": PASS: Well-secured AT certificate received ***");
              f_selfOrClientSyncAndVerdict(c_tbDone, e_success);
            } else {
              log("*** " & testcasename() & ": FAIL: Failed to verify AT response  ***");
              f_selfOrClientSyncAndVerdict(c_tbDone, e_error);
            }
          }
          [] a_await_atv_http_request_from_iut(
                                               mw_http_request(
                                                               mw_http_request_post(
                                                               "/Auth", //FIXME: Use another PIXIT than PICS_HTTP_POST_URI_ATV,
                                                               -,
                                                               mw_http_message_body_binary(
                                                                                           mw_binary_body_ieee1609dot2_data(
                                                                                                                            mw_authorizationRequestMessage(
                                                                                                                            mw_encryptedData(
                                                                                                                                             { *, mw_recipientInfo_certRecipInfo(mw_pKRecipientInfo(vc_eaHashedId8)), * },
                                                                                                                                             mw_symmetricCiphertext_aes128ccm
                                                                                                                                             )))))),
                                               v_request
                                               ) {
            var integer v_result;
            var SharedAtRequest v_shared_at_request;
            var Oct16 v_aes_sym_key_atv;
            var Oct8 v_aes_sym_key_atv_hashed_id8;
            var octetstring v_request_hash_atv;
            var Oct16 v_aes_enc_key_atv;
            var AuthorizationValidationResponse v_authorization_validation_response;

            f_verify_http_at_request_from_iut_atv(v_request.request, v_aes_sym_key_atv, v_request_hash_atv, v_shared_at_request, v_result);
            v_aes_sym_key_atv_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256('80'O & v_aes_sym_key_atv)); // Used to build the response
            // Set verdict, don't care of the v_result, out if scope for this test
            log("*** " & testcasename() & ": INFO: IUT has sent AuthorizationValidation request ***");
            // Send AuthorizationValidation response to finalize the exchange
            log("*** " & testcasename() & ": INFO: Send AuthorizationValidation response to finalize the exchange ***");
            f_init_default_headers_list(-, "inner_atv_response", v_headers);
            f_http_build_authorization_validation_response(v_shared_at_request, ok, v_request_hash_atv, vc_eaPrivateKey, vc_eaWholeHash, v_aes_sym_key_atv, v_authorization_validation_response, v_ieee1609dot2_signed_and_encrypted_data);
            v_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].pskRecipInfo := v_aes_sym_key_atv_hashed_id8;
            log("*** " & testcasename() & ": v_ieee1609dot2_signed_and_encrypted_data with new pskRecipInfo: ", v_ieee1609dot2_signed_and_encrypted_data);
            f_http_send(
                        v_headers,
                        m_http_response(
                                        m_http_response_ok(
                                                            m_http_message_body_binary(
                                                                                      m_binary_body_ieee1609dot2_data(
                                                                                                                      v_ieee1609dot2_signed_and_encrypted_data
                                                                                      )),
                                                            v_headers
                        )));
            log("*** " & testcasename() & ": INFO: AuthorizationValidation process done ***");
            repeat;
          }
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          [] tc_ac.timeout {
            log("*** " & testcasename() & ": INCONC: Expected message not received ***");
            f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_timeout);
          }
        } // End of 'alt' statement