AM2432: AM2432 cybersecurity solution

Fanglian wang

Part Number: AM2432

1) Does AM2432 have trust zone?

2) since AM2432 haven't internal Flash, how the chip realize :

Secure Boot supported
– Hardware-enforced Root-of-Trust (RoT)
– Support to switch RoT via backup key

+1 Prasad Jondhale over 4 years ago

Hi,

1) AM2432 doesn't have trust zone due to non-availability of A53 core.

2) Yes HW root of trust and backup key supported in device.

Regards,

Prasad

0 Fanglian wang over 4 years ago in reply to Prasad Jondhale

1) How AM2432 store the cybersecurity key? it is not safe to store outside the chip.

2)where to store the key of ROT

0 Prasad Jondhale over 4 years ago in reply to Fanglian wang

Hi Fanglian,

(1), can you please give more details?

(2), for ROT key is stored in onchip efuses.

Please refer to Security section for more details on the security features -

Regards,

Prasad

Arm-based microcontrollers forum