How to use nvimageGen to amend the BCT and the software components with public keys and digital signatures?

Please provide the following info (tick the boxes after creating this topic):
Software Version
DRIVE OS 6.0.5
DRIVE OS 6.0.4 (rev. 1)
DRIVE OS 6.0.4 SDK
other

Target Operating System
Linux
QNX
other

Hardware Platform
DRIVE AGX Orin Developer Kit (940-63710-0010-D00)
DRIVE AGX Orin Developer Kit (940-63710-0010-C00)
DRIVE AGX Orin Developer Kit (not sure its number)
other

SDK Manager Version
1.9.1.10844
other

Host Machine Version
native Ubuntu Linux 20.04 Host installed with SDK Manager
native Ubuntu Linux 20.04 Host installed with DRIVE OS Docker Containers
native Ubuntu Linux 18.04 Host installed with DRIVE OS Docker Containers
other

Hello, may I ask how to use nvimageGen to ''amend the BCT and the software components with public keys and digital signatures" ?Secure Boot Details with PKC Protection | NVIDIA Docs

Dear @wenxuan.zhu,
Could you confirm if you are using p3710 or p3663?

I am using p3663

Please note that P3663 isn’t supported through the forum. If you are unsure of the appropriate support channel, please contact your NVIDIA representative for assistance.