Key generation For Secure Boot loader and Secure firmware update using Secure Provisioning Tool

[Nagaveni]

Hi , 

I am using IMXRT1170 Evk and  generating SRK keys using Secure provisioning tool. 

1.Please confirm how many number of SRK keys need generate Using Tool ?

2.How many SRK keys do you recommend to use For better Secure Boot loader application?

Thanks In advance. 

[jingpan]

Hi @Nagaveni ,

1. It's up to you. But by default it generate 4. 

2. If you programmed these 4 key into SRK, they all can be used. But each time RT1170 can only use one of them.

Regards,

Jing