Hi @Sanjana_k
Once HSE firmware is installed, you can start to develop your application and you can start to use HSE services.
If you need to use HSE services which requires keys, then yes, you should start with importing of keys.
Configuration of secure boot is usually the last part of the development when you need to turn on the protection of your application.
HSE Firmware Reference Manual can be downloaded from S32K3 page, section Documentation -> Secure Files:
https://www.nxp.com/products/S32K3#documentation
Latest version is 2.6 and it covers all S32K3 devices. You must be logged in to see the Secure Files. If you can’t see the manual, it may be necessary to request it:
https://www.nxp.com/support/support/secure-access-rights:SEC-ACCESS
Next important document is HSE Service API Reference Manual. To get the document, you need to download HSE FW package and install it. It can be found in S32K3 Standard Software:
https://www.nxp.com/webapp/swlicensing/sso/downloadSoftware.sp?catid=SW32K3-STDSW-D
Open “Automotive SW - S32K3 - HSE Firmware” and download latest version for your derivative.
Install the SW package on your computer and then you will find the document at path like this:
c:\NXP\HSE_FW_S32K344_0_2_55_0\docs\S32K3X4_HSE_Service_API_Reference_Manual.pdf
Audio/video presentations can be found in Training section:
https://www.nxp.com/products/S32K3#training
You can use “security” keyword for filtering.
Regards,
Lukas
