.pem File Not Found When Compiling Part of the TA Code
Symptom
The .pem file is not found when compiling part of the TA code. The following error is reported:

Key Process and Cause Analysis
The .pem file is not found because the .pem file path configured in config_cloud.ini is incorrect. The path should be the relative path of the .pem file relative to the signature script signtool_v3.py in the iTrustee SDK.

Conclusion and Solution
Change the path of the .pem file in config_cloud.ini to the relative path of the signature script signtool_v3.py in the iTrustee SDK.