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<title>5.3.6. IBM Watson Demo for iMX Linux / Raspberry Pi &#8212; Plug &amp; Trust MW v03.00.05 documentation</title>
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MW</a>
<span class="navbar-text navbar-version pull-left"><b>v03.00.05</b></span>
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<li class="toctree-l1"><a class="reference internal" href="../../../index.html">1. NXP Plug &amp; Trust Middleware</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../organization-of-documentation.html">1.1. Organization of Documentation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../folder-structure.html">1.2. Folder Structure</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sw-prerequisites.html">1.3. List of Platform Prerequisites</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../changes/index.html">2. Changes</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/pending.html">2.1. Pending Refactoring items</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/pending.html#known-limitations">2.2. Known limitations</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v03_00_05.html">2.3. Release <code class="docutils literal notranslate"><span class="pre">v03.00.05</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v03_00_04.html">2.4. Release <code class="docutils literal notranslate"><span class="pre">v03.00.04</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v03_00_03.html">2.5. Release <code class="docutils literal notranslate"><span class="pre">v03.00.03</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v03_00_02.html">2.6. Release <code class="docutils literal notranslate"><span class="pre">v03.00.02</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_16_01.html">2.7. Release <code class="docutils literal notranslate"><span class="pre">v02.16.01</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_16_00.html">2.8. Release <code class="docutils literal notranslate"><span class="pre">v02.16.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_15_00.html">2.9. Release <code class="docutils literal notranslate"><span class="pre">v02.15.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_14_00.html">2.10. Release <code class="docutils literal notranslate"><span class="pre">v02.14.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html">2.11. Release <code class="docutils literal notranslate"><span class="pre">v02.12.05</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html#release-v02-12-04">2.12. Release <code class="docutils literal notranslate"><span class="pre">v02.12.04</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html#release-v02-12-03">2.13. Release <code class="docutils literal notranslate"><span class="pre">v02.12.03</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html#release-v02-12-02">2.14. Release <code class="docutils literal notranslate"><span class="pre">v02.12.02</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html#release-v02-12-01">2.15. Release <code class="docutils literal notranslate"><span class="pre">v02.12.01</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_12_00.html#release-v02-12-00">2.16. Release <code class="docutils literal notranslate"><span class="pre">v02.12.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_11_03.html">2.17. Release <code class="docutils literal notranslate"><span class="pre">v02.11.03</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_11_01.html">2.18. Internal Release <code class="docutils literal notranslate"><span class="pre">v02.11.01</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_11_00.html">2.19. Release <code class="docutils literal notranslate"><span class="pre">v02.11.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_10_00.html">2.20. Release <code class="docutils literal notranslate"><span class="pre">v02.10.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_09_00.html">2.21. Release <code class="docutils literal notranslate"><span class="pre">v02.09.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_07_00.html">2.22. Release <code class="docutils literal notranslate"><span class="pre">v02.07.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_06_00.html">2.23. Release <code class="docutils literal notranslate"><span class="pre">v02.06.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_05_00_to_v02_03_00.html">2.24. Release <code class="docutils literal notranslate"><span class="pre">v02.05.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_05_00_to_v02_03_00.html#release-v02-04-00">2.25. Release <code class="docutils literal notranslate"><span class="pre">v02.04.00</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../changes/v02_05_00_to_v02_03_00.html#release-02-03-00">2.26. Release <code class="docutils literal notranslate"><span class="pre">02.03.00</span></code></a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../stack/index.html">3. Plug &amp; Trust MW Stack</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/features.html">3.1. Features</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/features.html#plug-trust-mw-block-diagram">3.2. Plug &amp; Trust MW : Block Diagram</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss-apis.html">3.3. SSS APIs</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/se05xfeatures.html">3.4. SSS APIs: SE051 vs SE050</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/param_checks.html">3.5. Parameter Check &amp; Conventions</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/i2cm.html">3.6. I2CM / Secure Sensor</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/logging.html">3.7. Logging</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/feature-file.html">3.8. Feature File - <code class="docutils literal notranslate"><span class="pre">fsl_sss_ftr.h</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/platf-scp-from-fs.html">3.9. Using Platform SCP Keys from File System</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/auth/auth-objects.html">3.10. Auth Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/auth/auth-objects-userid.html">3.11. Auth Objects : UserID</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/auth/auth-objects-aeskey.html">3.12. Auth Objects : AESKey</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/auth/auth-objects-eckey.html">3.13. Auth Objects : ECKey</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/key-id-range.html">3.14. Key Id Range and Purpose</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/key-id-range.html#authentication-keys">3.15. Authentication Keys</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../stack/key-id-range.html#trust-provisioned-keyids">3.16. Trust provisioned KeyIDs</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/ex/doc/puf-scp03.html">3.17. SCP03 with PUF</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/doc/sss_heap_management.html">3.18. SSS Heap Management</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../building/index.html">4. Building / Compiling</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../building/windows.html">4.1. Windows Build</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../building/frdm-k64f-sdk.html">4.2. Import MCUXPresso projects from SDK</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../building/frdm-k64f-cmake.html">4.3. Freedom K64F Build (CMake - Advanced)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../building/imx6.html">4.4. i.MX Linux Build</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../building/rpi3.html">4.5. Raspberry Pi Build</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../building/cmake.html">4.6. CMake</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../scripts/cmake_options.html">4.7. CMake Options</a></li>
</ul>
</li>
<li class="toctree-l1 current"><a class="reference internal" href="../../index.html">5. Demo and Examples</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../../index.html#demo-list">5.1. Demo List</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#sss-api-examples">5.2. SSS API Examples</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="../../index.html#cloud-demos">5.3. Cloud Demos</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#linux-specific-demos">5.4. Linux Specific Demos</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#opc-ua-example">5.5. OPC-UA Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#arm-psa-example">5.6. ARM PSA Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#se05x-examples">5.7. SE05X Examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#openssl-examples">5.8. OpenSSL Examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#tests-for-user-crypto">5.9. Tests for User Crypto</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#nxpnfcrdlib-examples">5.10. NXPNFCRDLIB examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#ease-of-use-examples">5.11. Ease-of-Use examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#semslite-examples">5.12. Semslite examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../index.html#puf-examples">5.13. PUF examples</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../edgelock2go-agent.html">6. NXP EdgeLock 2GO Agent</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/introduction.html">6.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/introduction.html#building-and-running-the-edgelock-2go-agent">6.2. Building and running the EdgeLock 2GO agent</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/introduction.html#datastore-keystore">6.3. Datastore / Keystore</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/introduction.html#connection-to-the-edgelock-2go-cloud-service">6.4. Connection to the EdgeLock 2GO cloud service</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/introduction.html#claim-codes">6.5. Claim Codes</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/edgelock2go_agent_apis.html">6.6. API</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../nxp_iot_agent/doc/readme_usage_examples.html">6.7. Usage Examples</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../semslite/doc/index.html">7. SEMS Lite Agent</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_overview.html">7.1. SEMS Lite Overview (Only for SE051)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_package.html">7.2. Update Package</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_usage.html">7.3. SEMS Lite Agent Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_mgmt_api.html">7.4. SEMS Lite management APIs</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_process.html">7.5. SEMS Lite Agent Package Load Process</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_api.html">7.6. APIs</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/sems_lite_known_issue.html">7.7. SEMS Lite Known Issue</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../semslite/doc/demo_update.html">7.8. SEMS Lite DEMOs</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../plugins/index.html">8. Plugins / Add-ins</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/plugin/openssl/scripts/readme.html">8.1. Introduction on OpenSSL engine</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/plugin/mbedtls/scripts/readme.html">8.2. Introduction on mbedTLS ALT Implementation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/plugin/psa/Readme.html">8.3. Platform Security Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../plugins/akm.html">8.4. Android Key master</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../sss/plugin/open62541/readme.html">8.5. Introduction on Open62541 (OPC UA stack)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../plugins/wifiEAP/wifiEAP.html">8.6. WiFi EAP Demo with Raspberry Pi3</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../plugins/pkcs11.html">8.7. PKCS#11 Standalone Library</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../cli-tool.html">9. CLI Tool</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/introduction.html">9.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/block-diagram.html">9.2. Block Diagram</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/pre-steps.html">9.3. Steps needed before running <code class="docutils literal notranslate"><span class="pre">ssscli</span></code> tool</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/running.html">9.4. Running the <code class="docutils literal notranslate"><span class="pre">ssscli</span></code> tool - Windows</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/Provisioning/readme.html">9.5. CLI Provisioning</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/readme_usage_examples.html">9.6. Usage Examples</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/cli_commands_list.html">9.7. List of <code class="docutils literal notranslate"><span class="pre">ssscli</span></code> commands</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/cli_data_format.html">9.8. CLI Data formats</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../pycli/doc/cli_object_policy.html">9.9. Object Policies Through ssscli</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/upload_se05x_using_pycli.html">9.10. Upload keys and certificates to SE05X using ssscli tool</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../a71ch.html">10. A71CH</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../a71ch/a71ch_sss.html">10.1. A71CH and SSS API</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../a71ch/a71ch_miscellaneous.html">10.2. Miscellaneous</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../a71ch/a71ch_legacy_host_api.html">10.3. A71CH Legacy API</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../a71ch/a71ch_legacy_hlse_api.html">10.4. A71CH Legacy HLSE (Generic) API</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../a71ch/a71ch_configure_tool.html">10.5. A71CH Legacy Configure Tool</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../../appendix.html">11. Appendix</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/glossary.html">11.1. Glossary</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/vcom.html">11.2. APDU Commands over VCOM</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/vs2019-setup.html">11.3. Visual Studio 2019 Setup</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/ide_mcux.html">11.4. Setting up MCUXPresso IDE</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../dev-platforms.html">11.5. Development Platforms</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/se_uid.html">11.6. How to get SE Platform Information and UID</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/version_info.html">11.7. Version Information</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../Certificate_Chains/Readme.html">11.8. Certificate Chains</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/rjct_server.html">11.9. JRCP_v1 Server</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/platfscp.html">11.10. Using own Platform SCP03 Keys</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../appendix/apdu_write_to_buffer.html">11.11. Write APDU to buffer</a></li>
<li class="toctree-l2"><a class="reference internal" href="../../../api/api_list.html">11.12. Plug &amp; Trust MW APIs</a></li>
</ul>
</li>
</ul>
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<li><a class="reference internal" href="#">5.3.6. IBM Watson Demo for iMX Linux / Raspberry Pi</a><ul>
<li><a class="reference internal" href="#prerequisites">5.3.6.1. Prerequisites</a></li>
<li><a class="reference internal" href="#preparing-the-credentials">5.3.6.2. Preparing the credentials</a></li>
<li><a class="reference internal" href="#build-the-openssl-engine-optional">5.3.6.3. Build the OpenSSL engine [Optional]</a></li>
<li><a class="reference internal" href="#running-the-demo-on-imx-raspberry-pi">5.3.6.4. Running the Demo on iMX/Raspberry Pi</a></li>
<li><a class="reference internal" href="#appendix">5.3.6.5. Appendix</a></li>
</ul>
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<div class="section" id="ibm-watson-demo-for-imx-linux-raspberry-pi">
<span id="linux-demos-watson"></span><h1><span class="section-number">5.3.6. </span>IBM Watson Demo for iMX Linux / Raspberry Pi<a class="headerlink" href="#ibm-watson-demo-for-imx-linux-raspberry-pi" title="Permalink to this headline"></a></h1>
<p>This demo demonstrates connection to IBM Watson IoT platform
using pre-provisioned device credentials and publish/subscribe
procedure using MQTT</p>
<div class="section" id="prerequisites">
<h2><span class="section-number">5.3.6.1. </span>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li><p>IBM Cloud account</p></li>
<li><p>SD Card image with SE050 Middleware pre-installed. The application is built on the iMX platform.</p></li>
<li><p>IMX6UL-EVK platform connected to the Internet</p></li>
</ul>
<p>For additional information:</p>
<ul class="simple">
<li><p>Refer to <a class="reference internal" href="../../../dev-platforms.html#dev-platforms"><span class="std std-ref">Development Platforms</span></a> for hardware setup and iMX setup</p></li>
<li><p>Refer to <a class="reference internal" href="../../../cli-tool.html#cli-tool"><span class="std std-ref">CLI Tool</span></a> for ssscli tool setup</p></li>
</ul>
</div>
<div class="section" id="preparing-the-credentials">
<h2><span class="section-number">5.3.6.2. </span>Preparing the credentials<a class="headerlink" href="#preparing-the-credentials" title="Permalink to this headline"></a></h2>
<ol class="arabic">
<li><p>Complete <a class="reference internal" href="../../../pycli/doc/pre-steps.html#cli-doc-pre-steps"><span class="std std-numref">Section 9.3</span></a> <a class="reference internal" href="../../../pycli/doc/pre-steps.html#cli-doc-pre-steps"><span class="std std-ref">Steps needed before running ssscli tool</span></a></p></li>
<li><p>To create certificates on imx and Raspberry Pi, call:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span> simw-top/pycli/Provisioning
python3 GenerateIBMCredentials.py
python3 ResetAndUpdate_IBM.py
</pre></div>
</div>
</li>
<li><p>Certificates and Keys are generated at <code class="docutils literal notranslate"><span class="pre">simw-top/pycli/Provisioning/ibm</span></code></p></li>
</ol>
<ul class="simple">
<li><p>The subject and subject alternative name of the device certificate must adhere to specific conventions. Both subject and
subject alternative name contain the 10 byte UID value. In addition the Subject Alternative Name contains the device type.</p></li>
</ul>
</div>
<div class="section" id="build-the-openssl-engine-optional">
<h2><span class="section-number">5.3.6.3. </span>Build the OpenSSL engine [Optional]<a class="headerlink" href="#build-the-openssl-engine-optional" title="Permalink to this headline"></a></h2>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This step is optional in case you are using a prepared
SD card image from NXP.</p>
</div>
<p>The OpenSSL engine uses the sss abstraction layer to access the crypto
services of the secure element, the implementation remains dependent on
the secure element attached. The following illustrates compiling the
OpenSSL engine for SE050 connected over I2C.</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span> simw-top
python scripts/create_cmake_projects.py
<span class="nb">cd</span> ../simw-top_build/imx_native_se050_t1oi2c
cmake --build .
make install
ldconfig /usr/local/lib
</pre></div>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Replace <code class="docutils literal notranslate"><span class="pre">imx_native_se050_t1oi2c</span></code> with <code class="docutils literal notranslate"><span class="pre">raspbian_native_se050_t1oi2c</span></code>
when building for Raspberry Pi.</p>
</div>
</div>
<div class="section" id="running-the-demo-on-imx-raspberry-pi">
<span id="linux-watson-run"></span><h2><span class="section-number">5.3.6.4. </span>Running the Demo on iMX/Raspberry Pi<a class="headerlink" href="#running-the-demo-on-imx-raspberry-pi" title="Permalink to this headline"></a></h2>
<ol class="arabic">
<li><p>Use ‘buildScript.sh’ script at <code class="docutils literal notranslate"><span class="pre">&lt;MW_SRC_DIR&gt;/simw-top/demos/linux/ibm_watson_iot</span></code> to download all dependencies and build the mqtt application for ibm_watson call:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span> /simw-top/demos/linux/ibm_watson_iot
./buildScript.sh
</pre></div>
</div>
</li>
<li><p>Based on OpenSSL version and applicable Secure Element, select the appropriate configuration file in
<code class="docutils literal notranslate"><span class="pre">&lt;MW_SRC_DIR&gt;/simw-top/demos/linux/common</span></code> directory:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>openssl11_sss_a71ch.cnf ----- OpenSSL <span class="m">1</span>.1.1 and A71CH
openssl11_sss_se050.cnf ----- OpenSSL <span class="m">1</span>.1.1 and SE050
openssl_sss_a71ch.cnf ----- OpenSSL <span class="m">1</span>.0.0 and A71CH
openssl_sss_se050.cnf ----- OpenSSL <span class="m">1</span>.0.0 and SE050
</pre></div>
</div>
</li>
<li><p>Set the openssl config path. Skip if already done:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>$ <span class="nb">export</span> <span class="nv">OPENSSL_CONF</span><span class="o">=</span>&lt;MW_SRC_DIR&gt;/simw-top/demos/linux/common/&lt;appropriate-cnf-file&gt;
</pre></div>
</div>
</li>
<li><p>Upload the root certificate (&lt;MW_SRC_DIR&gt;/simw-top/pycli/Provisioning/ibm/rootCA_certificate.crt) to your IBM account.
Refer to <a class="reference internal" href="../../ksdk/ibm_watson/Readme.html#prepare-ibm-cloud"><span class="std std-ref">Setting up IBM Watson IoT Platform</span></a> for instructions on uploading the Root CA certificate and registering the device. Skip if already done.</p></li>
<li><p>Run the application in either of the following two ways:</p>
<ul>
<li><p>Parameters via commandline:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>./watson_imx_linux --org &lt;ORG&gt; --keypath &lt;MW_SRC_DIR&gt;/simw-top/pycli/Provisioning/ibm/&lt;UID&gt;_device_reference_key.pem --devcert simw-top/pycli/Provisioning/ibm/&lt;UID&gt;_device_certificate.cer --topic <span class="s2">&quot;iot-2/evt/status/fmt/json&quot;</span> --payload <span class="s2">&quot;&quot;</span><span class="o">{</span><span class="se">\&quot;</span>d<span class="se">\&quot;\ </span>:<span class="se">\ </span><span class="o">{</span><span class="se">\&quot;</span>SensorID<span class="se">\&quot;</span>:<span class="se">\ \&quot;</span>Test<span class="se">\&quot;\,\ \&quot;</span>Reading<span class="se">\&quot;</span>:<span class="se">\ </span><span class="m">7</span><span class="se">\ </span><span class="o">}}</span><span class="s2">&quot;&quot;</span>
</pre></div>
</div>
<p>where <em>ORG</em> is the organization ID, <em>keypath</em> is the path to reference key corresponding to the device key and <em>devcert</em> is the path to device certificate.</p>
</li>
<li><p>Parameters via json file:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>./watson_imx_linux --json &lt;input.txt&gt;
</pre></div>
</div>
<p>Sample JSON file:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="o">{</span>
<span class="s2">&quot;hostname&quot;</span>: <span class="s2">&quot;orgID.messaging.internetofthings.ibmcloud.com&quot;</span>,
<span class="s2">&quot;protocol&quot;</span>: <span class="s2">&quot;MQTTS&quot;</span>,
<span class="s2">&quot;port&quot;</span>: <span class="s2">&quot;8443&quot;</span>,
<span class="s2">&quot;devcert&quot;</span>: <span class="s2">&quot;cert_0000000000000000000000000000000000000000000000000000000000000092.pem&quot;</span>,
<span class="s2">&quot;keypath&quot;</span>: <span class="s2">&quot;keyref_0000000000000000000000000000000000000000000000000000000000000092.pem&quot;</span>,
<span class="s2">&quot;payload&quot;</span>: <span class="s2">&quot;HelloMessage&quot;</span>,
<span class="s2">&quot;topic&quot;</span>: <span class="s2">&quot;iot-2/evt/status/fmt/string&quot;</span>,
<span class="s2">&quot;rootpath&quot;</span>: <span class="s2">&quot;rootCA.pem&quot;</span>
<span class="o">}</span>
</pre></div>
</div>
</li>
</ul>
</li>
</ol>
<div class="admonition note">
<p class="admonition-title">Note</p>
<ol class="arabic simple">
<li><p>The above example invocation is for illustrative purpose.</p></li>
<li><p>Export the open ssl conf path to the exact location of the file.</p></li>
<li><p>While executing the application, use the appropriate values for org, keypath and devcert.</p></li>
</ol>
</div>
</div>
<div class="section" id="appendix">
<h2><span class="section-number">5.3.6.5. </span>Appendix<a class="headerlink" href="#appendix" title="Permalink to this headline"></a></h2>
<ol class="arabic simple">
<li><p>For more information, refer to <a class="reference external" href="https://cloud.ibm.com/docs/services/IoT?topic=iot-platform-about_iotplatform">https://cloud.ibm.com/docs/services/IoT?topic=iot-platform-about_iotplatform</a></p></li>
<li><p>&lt;MW_SRC_DIR&gt; is a placeholder for the path to the Plug &amp; Trust MW. It would typically be /home/root/se050_mw_v02.08.00 (or a later version) on i.MX.</p></li>
</ol>
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