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SGX测试
首先需要先按照简易安装模式安装Phala脚本
sudo phala install
重要提示：请大家首先关注安全等级（在报告的最后一行），安全等级目前是网络评判的唯一标准！请大家务必先查看安全等级后再询问。
该诊断程序将进一步检查：
- 是否支持 Production Mode
- 是否支持 FLC（Flexible launch control）
FLC建议最好支持，目前不强制满足，未来可能会涉及。要安装 DCAP 驱动，则此项必须满足。
如果这两项都满足，但仍然启动不了 pRuntime，返回SGX_ERROR_UPDATE_NEEDED这样的提示，则说明 BIOS 上缺少 Intel 要求 SGX 环境必须包含的工具，所以评估系统不满足 SGX 的安全标准。解决方法是更新你的 BIOS 版本，怎么更新请百度自己厂商的教程。如果这已经该厂商最新版 BIOS，则无法挖矿。
在报告的最后一行会显示你的安全等级（1～5），如果您这里显示的是Can't give a `confidenceLevel` due to don't meet minimum requirement则代表您的机器是无法参与挖矿的。
SGX测试完毕后，输入ls /dev | grep sgx，如果运行有返回sgx或者isgx，则说明驱动正常运行。
如果没有返回，请到《检查你的硬件、BIOS与系统》一章按照教程调试主板，设置好后回到本章继续进行SGX测试。
自检指令
sudo phala sgx-test
正常的结果
Detecting SGX, this may take a minute...
✔ SGX instruction set
✔ CPU support
✔ CPU configuration
✔ Enclave attributes
✔ Enclave Page Cache
SGX features
✔ SGX2 ✔ EXINFO ✘ ENCLV ✘ OVERSUB ✘ KSS
Total EPC size: 94.0MiB
✔ Flexible launch control
✔ CPU support
？ CPU configuration
✔ Able to launch production mode enclave
✔ SGX system software
✔ SGX kernel device (/dev/sgx/enclave)
✔ libsgx_enclave_common
✔ AESM service
✔ Able to launch enclaves
✔ Debug mode
✔ Production mode
✔ Production mode (Intel whitelisted)
You are all set to start running SGX programs!
Generated machine id:
[162, 154, 220, 15, 163, 137, 184, 233, 251, 203, 145, 36, 214, 55, 32, 54]
Testing RA... // RA就是 Remote Atestation ，远程认证。只有经过了远程认证的SGX才是可信的SGX。
aesm_service[15]: [ADMIN]EPID Provisioning initiated
aesm_service[15]: The Request ID is 09a2bed647d24f909d4a3990f8e28b4a
aesm_service[15]: The Request ID is 8d1aa4104b304e12b7312fce06881260
aesm_service[15]: [ADMIN]EPID Provisioning successful
isvEnclaveQuoteStatus = GROUP_OUT_OF_DATE //❗️❗️这一行报告尤为重要，这一行就决定了信用评级❗️❗️
platform_info_blob { sgx_epid_group_flags: 4, sgx_tcb_evaluation_flags: 2304, pse_evaluation_flags: 0, latest_equivalent_tcb_psvn: [15, 15, 2, 4, 1, 128, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0], latest_pse_isvsvn: [0, 11], latest_psda_svn: [0, 0, 0, 2], xeid: 0, gid: 2919956480, signature: sgx_ec256_signature_t { gx: [99, 239, 225, 171, 96, 219, 216, 210, 246, 211, 20, 101, 254, 193, 246, 66, 170, 40, 255, 197, 80, 203, 17, 34, 164, 2, 127, 95, 41, 79, 233, 58], gy: [141, 126, 227, 92, 128, 3, 10, 32, 239, 92, 240, 58, 94, 167, 203, 150, 166, 168, 180, 191, 126, 196, 107, 132, 19, 84, 217, 14, 124, 14, 245, 179] } }
advisoryURL = https://security-center.intel.com
advisoryIDs = "INTEL-SA-00219", "INTEL-SA-00289", "INTEL-SA-00320", "INTEL-SA-00329"
confidenceLevel = 5 //这里是你的信任评级
不正常的结果（附解读）
Detecting SGX, this may take a minute...
✔ SGX instruction set
✔ CPU support // 这里如果是❌，就不要试了CPU完全不支持
✔ CPU configuration // 这里如果是❌，BIOS太老了，找主板厂
✔ Enclave attributes // 这里如果是❌前两项应该也是❌先解决上面的问题
✔ Enclave Page Cache // 这里如果是❌前两项应该也是❌先解决上面的问题
SGX features
✘ SGX2 ✘ EXINFO ✘ ENCLV ✘ OVERSUB ✘ KSS // 目前SGX2和EXINFO没用到所以这里为❌不影响。
Total EPC size: 94.0MiB // 这里如果是❌先可以忽略
✘ Flexible launch control
✔ CPU support
✘ CPU configuration // 这里如果是❌或者❓今后有一定的概率挖不了（半年内不影响），但短时间内不受影响
✔ SGX system software
✔ SGX kernel device (/dev/isgx)
✔ libsgx_enclave_common
✔ AESM service
✔ Able to launch enclaves
✔ Debug mode
✘ Production mode // 这里如果是❌，请尽量升级，但如果下面一行是✅那就暂时可以挖矿（半年内）
✔ Production mode (Intel whitelisted) // 这里如果是❌，那就不能用
🕮 Flexible launch control > CPU configuration
Your hardware supports Flexible Launch Control, but whether it's enabled could not be determined. More information might be available by re-running this program with sudo. Would you like to do that?
(not supported yet)
debug: Error reading MSR 3Ah: Failed to load MSR kernel module
debug: cause: Failed to load MSR kernel module
debug: cause: Failed executing modprobe
debug: cause: No such file or directory (os error 2)
More information: https://edp.fortanix.com/docs/installation/help/#flc-cpu-configuration
🕮 SGX system software > Able to launch enclaves > Production mode
The enclave could not be launched. This might indicate a problem with FLC.
debug: failed to load report enclave
debug: cause: failed to load report enclave
debug: cause: The EINITTOKEN provider didn't provide a token
debug: cause: aesm error code GetLicensetokenError_6
More information: https://edp.fortanix.com/docs/installation/help/#run-enclave-prod
