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| <li class="toctree-l1"><a class="reference internal" href="../../../index.html">1. NXP Plug & 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 & 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 & 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 & 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"><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 current"><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 & Trust MW APIs</a></li> |
| </ul> |
| </li> |
| </ul> |
| </ul> |
| </li> |
| |
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| <li class="toctree-l3"><a class="reference internal" href="../se05x_ReadState/Readme.html">5.7.21. SE05X Read State example</a></li> |
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| <li class="toctree-l3"><a class="reference internal" href="../se05x_DesfireCRC/Readme.html">5.7.23. Test non deletion of desfire CRC module without Features</a></li> |
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| <li class="toctree-l3"><a class="reference internal" href="../se05x_Delete_and_test_provision/Readme.html">5.7.29. Delete and Test Provision</a></li> |
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| <li class="toctree-l2"><a class="reference internal" href="../../index.html#nxpnfcrdlib-examples">5.10. NXPNFCRDLIB examples</a></li> |
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| <li class="toctree-l2"><a class="reference internal" href="../../index.html#puf-examples">5.13. PUF examples</a></li> |
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| <li class="toctree-l1"><a class="reference internal" href="../../../appendix.html">11. Appendix</a></li> |
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| <div class="section" id="using-policies-for-secure-objects"> |
| <span id="se05x-policy-demo"></span><h1><span class="section-number">5.7.4. </span>Using policies for secure objects<a class="headerlink" href="#using-policies-for-secure-objects" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>This demo is to demonstrate the use of policies for secure objects. Object policies such as <code class="docutils literal notranslate"><span class="pre">can_Sign</span></code> or <code class="docutils literal notranslate"><span class="pre">can_Encrypt</span></code> can be used to restrict operations other than the given policies. Objects inside the secure element are linked to a particular authentication object, based on communication authentication type selected. Objects inside the secure element linked with one authentication object cannot be used when session is open with another authentication type.</p> |
| <p>Authentication Object ID to be linked with secure object can be selected as</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#if (SSS_HAVE_SE05X_AUTH_USERID) || (SSS_HAVE_SE05X_AUTH_USERID_PLATFSCP03) </span><span class="c1">//UserID Session</span> |
| <span class="cp">#define EX_LOCAL_OBJ_AUTH_ID EX_SSS_AUTH_SE05X_UserID_AUTH_ID</span> |
| <span class="cp">#elif (SSS_HAVE_SE05X_AUTH_NONE) || (SSS_HAVE_SE05X_AUTH_PLATFSCP03) </span><span class="c1">//No auth</span> |
| <span class="cp">#define EX_LOCAL_OBJ_AUTH_ID EX_SSS_AUTH_SE05X_NONE_AUTH_ID</span> |
| <span class="cp">#elif (SSS_HAVE_SE05X_AUTH_AESKEY) || (SSS_HAVE_SE05X_AUTH_AESKEY_PLATFSCP03) </span><span class="c1">//AESKey</span> |
| <span class="cp">#define EX_LOCAL_OBJ_AUTH_ID EX_SSS_AUTH_SE05X_APPLETSCP_AUTH_ID</span> |
| <span class="cp">#elif (SSS_HAVE_SE05X_AUTH_ECKEY) || (SSS_HAVE_SE05X_AUTH_ECKEY_PLATFSCP03) </span><span class="c1">//ECKey session</span> |
| <span class="cp">#define EX_LOCAL_OBJ_AUTH_ID EX_SSS_AUTH_SE05X_ECKEY_ECDSA_AUTH_ID</span> |
| <span class="cp">#endif</span> |
| </pre></div> |
| </div> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>Ensure that the authentication object ID in policy set matches the authentication type.</p> |
| </div> |
| <div class="section" id="sign-policy"> |
| <h2><span class="section-number">5.7.4.1. </span>Sign Policy<a class="headerlink" href="#sign-policy" title="Permalink to this headline">ΒΆ</a></h2> |
| <p>Create a policy set using the authentication object ID</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span> |
| <span class="cm">/*Logic to pass sign & verifypolicy*/</span> |
| <span class="k">const</span> <span class="kt">int</span> <span class="n">allow_sign</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> |
| <span class="k">const</span> <span class="kt">int</span> <span class="n">allow_verify</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> |
| |
| <span class="cm">/* doc:start:allow-policy-sign-part1 */</span> |
| <span class="cm">/* Policies for key */</span> |
| <span class="k">const</span> <span class="n">sss_policy_u</span> <span class="n">key_withPol</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">KPolicy_Asym_Key</span><span class="p">,</span> |
| <span class="cm">/*Authentication object based on SE05X_AUTH*/</span> |
| <span class="p">.</span><span class="n">auth_obj_id</span> <span class="o">=</span> <span class="n">EX_LOCAL_OBJ_AUTH_ID</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policy</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="cm">/*Asymmetric key policy*/</span> |
| <span class="p">.</span><span class="n">asymmkey</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="cm">/*Policy for sign*/</span> |
| <span class="p">.</span><span class="n">can_Sign</span> <span class="o">=</span> <span class="n">allow_sign</span><span class="p">,</span> |
| <span class="cm">/*Policy for verify*/</span> |
| <span class="p">.</span><span class="n">can_Verify</span> <span class="o">=</span> <span class="n">allow_verify</span><span class="p">,</span> |
| <span class="cm">/*Policy for encrypt*/</span> |
| <span class="p">.</span><span class="n">can_Encrypt</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy for decrypt*/</span> |
| <span class="p">.</span><span class="n">can_Decrypt</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy for Key Derivation*/</span> |
| <span class="p">.</span><span class="n">can_KD</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy for wrapped object*/</span> |
| <span class="p">.</span><span class="n">can_Wrap</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy to re-write object*/</span> |
| <span class="p">.</span><span class="n">can_Write</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy for reading object*/</span> |
| <span class="p">.</span><span class="n">can_Read</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Policy to use object for attestation*/</span> |
| <span class="p">.</span><span class="n">can_Attest</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span> |
| |
| <span class="cm">/* Common rules */</span> |
| <span class="k">const</span> <span class="n">sss_policy_u</span> <span class="n">common</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">KPolicy_Common</span><span class="p">,</span> |
| <span class="cm">/*Authentication object based on SE05X_AUTH*/</span> |
| <span class="p">.</span><span class="n">auth_obj_id</span> <span class="o">=</span> <span class="n">EX_LOCAL_OBJ_AUTH_ID</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policy</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">common</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="cm">/*Secure Messaging*/</span> |
| <span class="p">.</span><span class="n">req_Sm</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span> |
| <span class="cm">/*Policy to Delete object*/</span> |
| <span class="p">.</span><span class="n">can_Delete</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="cm">/*Forbid all operations on object*/</span> |
| <span class="p">.</span><span class="n">forbid_All</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span> |
| |
| <span class="cm">/* create policy set */</span> |
| <span class="n">sss_policy_t</span> <span class="n">policy_for_ec_key</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">nPolicies</span> <span class="o">=</span> <span class="mi">2</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policies</span> <span class="o">=</span> <span class="p">{</span> <span class="o">&</span><span class="n">key_withPol</span><span class="p">,</span> <span class="o">&</span><span class="n">common</span> <span class="p">}</span> |
| <span class="p">};</span> |
| <span class="cm">/* doc:end:allow-policy-sign-part1 */</span> |
| |
| <span class="n">status</span> <span class="o">=</span> <span class="n">sss_key_object_init</span><span class="p">(</span><span class="o">&</span><span class="n">object</span><span class="p">,</span> <span class="o">&</span><span class="n">pCtx</span><span class="o">-></span><span class="n">ks</span><span class="p">);</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">status</span> <span class="o">!=</span> <span class="n">kStatus_SSS_Success</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">LOG_E</span><span class="p">(</span><span class="s">"sss_key_object_init Failed!!!"</span><span class="p">);</span> |
| <span class="k">goto</span> <span class="n">exit</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| <span class="n">status</span> <span class="o">=</span> <span class="n">sss_key_object_allocate_handle</span><span class="p">(</span> |
| <span class="o">&</span><span class="n">object</span><span class="p">,</span> <span class="n">keyId</span><span class="p">,</span> <span class="n">kSSS_KeyPart_Pair</span><span class="p">,</span> <span class="n">kSSS_CipherType_EC_NIST_P</span><span class="p">,</span> <span class="n">keylen</span><span class="p">,</span> <span class="n">kKeyObject_Mode_Persistent</span><span class="p">);</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">status</span> <span class="o">!=</span> <span class="n">kStatus_SSS_Success</span><span class="p">)</span> <span class="p">{</span> |
| <span class="n">LOG_E</span><span class="p">(</span><span class="s">"key_object_allocate_handle Failed!!!"</span><span class="p">);</span> |
| <span class="k">goto</span> <span class="n">exit</span><span class="p">;</span> |
| <span class="p">}</span> |
| |
| <span class="cm">/* doc:start:allow-policy-sign-part2 */</span> |
| <span class="n">status</span> <span class="o">=</span> <span class="n">sss_key_store_generate_key</span><span class="p">(</span> |
| <span class="o">&</span><span class="n">pCtx</span><span class="o">-></span><span class="n">ks</span><span class="p">,</span> |
| <span class="o">&</span><span class="n">object</span><span class="p">,</span> |
| <span class="n">ECC_KEY_BIT_LEN</span><span class="p">,</span> |
| <span class="o">&</span><span class="n">policy_for_ec_key</span><span class="p">);</span> |
| <span class="cm">/* doc:end:allow-policy-sign-part2 */</span> |
| |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="using-pcr-object"> |
| <h2><span class="section-number">5.7.4.2. </span>Using PCR Object<a class="headerlink" href="#using-pcr-object" title="Permalink to this headline">ΒΆ</a></h2> |
| <p>PCR is a special secure object which stores 32-byte data. A PCR object can be used to ensure that secure objects inside the SE cannot be used if the PCR object value is altered.</p> |
| <p>We can assign a PCR policy to a secure object as given in the following sample code</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">SSS_HAVE_SE05X_VER_GTE_06_00</span> |
| <span class="kt">uint8_t</span> <span class="n">pcr_expected_value</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span> <span class="mh">0x87</span><span class="p">,</span> <span class="mh">0xD3</span><span class="p">,</span> <span class="mh">0xE3</span><span class="p">,</span> <span class="mh">0x93</span><span class="p">,</span> <span class="mh">0x19</span><span class="p">,</span> <span class="mh">0x8F</span><span class="p">,</span> <span class="mh">0x5C</span><span class="p">,</span> <span class="mh">0x80</span><span class="p">,</span> <span class="mh">0xE0</span><span class="p">,</span> <span class="mh">0xBC</span><span class="p">,</span> <span class="mh">0x9B</span><span class="p">,</span> <span class="mh">0xC9</span><span class="p">,</span> <span class="mh">0x82</span><span class="p">,</span> <span class="mh">0x00</span><span class="p">,</span> <span class="mh">0x1F</span><span class="p">,</span> <span class="mh">0xB0</span><span class="p">,</span> <span class="mh">0xEE</span><span class="p">,</span> <span class="mh">0x20</span><span class="p">,</span> <span class="mh">0x1C</span><span class="p">,</span> <span class="mh">0x27</span><span class="p">,</span> <span class="mh">0x0B</span><span class="p">,</span> <span class="mh">0x6D</span><span class="p">,</span> <span class="mh">0xC8</span><span class="p">,</span> <span class="mh">0x84</span><span class="p">,</span> <span class="mh">0x52</span><span class="p">,</span> <span class="mh">0xE4</span><span class="p">,</span> <span class="mh">0x13</span><span class="p">,</span> <span class="mh">0xA3</span><span class="p">,</span> <span class="mh">0x25</span><span class="p">,</span> <span class="mh">0x56</span><span class="p">,</span> <span class="mh">0x81</span><span class="p">,</span> <span class="mh">0x75</span> <span class="p">};</span> |
| <span class="n">e</span> |
| <span class="kt">uint8_t</span> <span class="n">pcr_expected_value</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span> <span class="mh">0x89</span><span class="p">,</span> <span class="mh">0x51</span><span class="p">,</span> <span class="mh">0x56</span><span class="p">,</span> <span class="mh">0x9f</span><span class="p">,</span> <span class="mh">0x41</span><span class="p">,</span> <span class="mh">0x5f</span><span class="p">,</span> <span class="mh">0xeb</span><span class="p">,</span> <span class="mh">0x4f</span><span class="p">,</span> <span class="mh">0xb6</span><span class="p">,</span> <span class="mh">0x37</span><span class="p">,</span> <span class="mh">0x02</span><span class="p">,</span> <span class="mh">0x86</span><span class="p">,</span> <span class="mh">0xe7</span><span class="p">,</span> <span class="mh">0xdd</span><span class="p">,</span> <span class="mh">0xa0</span><span class="p">,</span> <span class="mh">0x99</span><span class="p">,</span> <span class="mh">0x33</span><span class="p">,</span> <span class="mh">0x6c</span><span class="p">,</span> <span class="mh">0x46</span><span class="p">,</span> <span class="mh">0x36</span><span class="p">,</span> <span class="mh">0xbc</span><span class="p">,</span> <span class="mh">0xbb</span><span class="p">,</span> <span class="mh">0x4c</span><span class="p">,</span> <span class="mh">0x11</span><span class="p">,</span> <span class="mh">0x04</span><span class="p">,</span> <span class="mh">0x10</span><span class="p">,</span> <span class="mh">0x0a</span><span class="p">,</span> <span class="mh">0x86</span><span class="p">,</span> <span class="mh">0x0d</span><span class="p">,</span> <span class="mh">0x0c</span><span class="p">,</span> <span class="mh">0xa4</span><span class="p">,</span> <span class="mh">0x14</span> <span class="p">};</span> |
| <span class="k">if</span> |
| |
| <span class="kt">size_t</span> <span class="n">pcr_expected_value_size</span> <span class="o">=</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">pcr_expected_value</span><span class="p">);</span> |
| <span class="n">LOG_I</span><span class="p">(</span><span class="s">"Setting PCR Expected value as:"</span><span class="p">);</span> |
| <span class="n">LOG_AU8_I</span><span class="p">(</span><span class="n">pcr_expected_value</span><span class="p">,</span> <span class="n">pcr_expected_value_size</span><span class="p">);</span> |
| |
| <span class="k">const</span> <span class="n">sss_policy_u</span> <span class="n">common</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">KPolicy_Common</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">auth_obj_id</span> <span class="o">=</span> <span class="n">TST_LOCAL_OBJ_AUTH_ID</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policy</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">common</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">req_Sm</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">can_Delete</span> <span class="o">=</span> <span class="mi">1</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span> |
| |
| <span class="k">const</span> <span class="n">sss_policy_u</span> <span class="n">file</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">KPolicy_File</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">auth_obj_id</span> <span class="o">=</span> <span class="n">TST_LOCAL_OBJ_AUTH_ID</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policy</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">file</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">can_Read</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">can_Write</span> <span class="o">=</span> <span class="mi">1</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span> |
| |
| <span class="n">sss_policy_u</span> <span class="n">pcr1</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">KPolicy_Common_PCR_Value</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">auth_obj_id</span> <span class="o">=</span> <span class="n">TST_LOCAL_OBJ_AUTH_ID</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policy</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">common_pcr_value</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">pcrObjId</span> <span class="o">=</span> <span class="mh">0x7fffffff</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span> |
| <span class="n">memset</span><span class="p">(</span><span class="n">pcr1</span><span class="p">.</span><span class="n">policy</span><span class="p">.</span><span class="n">common_pcr_value</span><span class="p">.</span><span class="n">pcrExpectedValue</span><span class="p">,</span> |
| <span class="mh">0x00</span><span class="p">,</span> |
| <span class="k">sizeof</span><span class="p">(</span><span class="n">pcr1</span><span class="p">.</span><span class="n">policy</span><span class="p">.</span><span class="n">common_pcr_value</span><span class="p">.</span><span class="n">pcrExpectedValue</span><span class="p">));</span> |
| <span class="n">memcpy</span><span class="p">(</span><span class="n">pcr1</span><span class="p">.</span><span class="n">policy</span><span class="p">.</span><span class="n">common_pcr_value</span><span class="p">.</span><span class="n">pcrExpectedValue</span><span class="p">,</span> <span class="n">pcr_expected_value</span><span class="p">,</span> <span class="n">pcr_expected_value_size</span><span class="p">);</span> |
| |
| <span class="n">sss_policy_t</span> <span class="n">policy_for_binary_object</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="p">.</span><span class="n">nPolicies</span> <span class="o">=</span> <span class="mi">3</span><span class="p">,</span> |
| <span class="p">.</span><span class="n">policies</span> <span class="o">=</span> <span class="p">{</span> <span class="o">&</span><span class="n">common</span><span class="p">,</span> <span class="o">&</span><span class="n">pcr1</span><span class="p">,</span> <span class="o">&</span><span class="n">file</span> <span class="p">}</span> |
| <span class="p">};</span> |
| <span class="cm">/* clang-format on */</span> |
| <span class="n">NVM_RESET</span><span class="p">();</span> |
| |
| <span class="n">status</span> <span class="o">=</span> <span class="n">sss_key_store_set_key</span><span class="p">(</span><span class="o">&</span><span class="n">gtCtx</span><span class="p">.</span><span class="n">ks</span><span class="p">,</span> |
| <span class="o">&</span><span class="n">gtCtx</span><span class="p">.</span><span class="n">key</span><span class="p">,</span> |
| <span class="n">binary_object</span><span class="p">,</span> |
| <span class="k">sizeof</span><span class="p">(</span><span class="n">binary_object</span><span class="p">),</span> |
| <span class="k">sizeof</span><span class="p">(</span><span class="n">binary_object</span><span class="p">),</span> |
| <span class="o">&</span><span class="n">policy_for_binary_object</span><span class="p">,</span> |
| <span class="k">sizeof</span><span class="p">(</span><span class="n">policy_for_binary_object</span><span class="p">));</span> |
| </pre></div> |
| </div> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>Ensure that the <code class="docutils literal notranslate"><span class="pre">pcrObjID</span></code> in PCR policy is the same object ID at which the PCR is stored.</p> |
| </div> |
| </div> |
| <div class="section" id="console-output"> |
| <h2><span class="section-number">5.7.4.3. </span>Console output<a class="headerlink" href="#console-output" title="Permalink to this headline">ΒΆ</a></h2> |
| <p>If everything is successful, the output will be similar to:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>App :INFO :This example is to demonstrate the use of policies <span class="k">for</span> secure objects |
| App :INFO :Signing was succesful |
| App :INFO :Example Success |
| App :INFO :ex_sss Finished |
| </pre></div> |
| </div> |
| </div> |
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