Intel® Software Guard Extensions (Intel® SGX)
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[SGX DCAP PCCS ]Error:Raw Tcb is lower than all input PCKs

streetpoplar
Beginner
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Hi, I'm setting up a SGX DCAP enviroment for test purpose.My working machine supports SGX1 and the system is ubuntu18.04.I have build and installed PCCS but when I run PCKIDRetrievalTool to verify,I got this problem: Error: unexpected error happend during sending data to cache server. pckid_retrieval.csv has been generated successfully, however the data couldn't be sent to cache server! Then I check the PCCS log file which presents the Error message: [error]: PCK selection library returned 12 [error]: Error: No cache data for this platform. at Proxy.getPckCertFromPCS (/opt/intel/sgx-dcap-pccs/services/logic/commonCacheLogic.js:232:11) at async ReqCachingMode.registerPlatforms (/opt/intel/sgx-dcap-pccs/services/caching_modes/cachingMode.js:201:7) at async Proxy.registerPlatforms (/opt/intel/sgx-dcap-pccs/services/platformsRegService.js:107:3) at async postPlatforms (/opt/intel/sgx-dcap-pccs/controllers/platformsController.js:40:5) [info]: 127.0.0.1 - - [09/May/2021:04:12:28 +0000] "POST /sgx/certification/v3/platforms HTTP/1.1" 404 32 "-" "-" So I trace the souce code from PCCS where the error occurs to the SGX PCK Cert Selection Library linked by PCCS,and I get the root cause from function pck_cert_select,which returns the error code PCK_CERT_SELECT_PCK_NOT_FOUND ,with a comment by side: ”Raw Tcb is lower than all input PCKs". I'm not sure what the message exactly means.Does it means that the hardware of my machine is out of date?how can I solve this problem? Any advice would be grateful,thanks!
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JesusG_Intel
Moderator
527 Views

Hello Streetpoplar,


You must update the BIOS on your system to the most recent BIOS available from your OEM.


Sincerely,

Jesus G.

Intel Customer Support


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2 Replies
JesusG_Intel
Moderator
528 Views

Hello Streetpoplar,


You must update the BIOS on your system to the most recent BIOS available from your OEM.


Sincerely,

Jesus G.

Intel Customer Support


JesusG_Intel
Moderator
499 Views

This thread has been marked as answered and Intel will no longer monitor this thread. If you want a response from Intel in a follow-up question, please open a new thread.


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