I'm starting to implement AES-GCM on STM32H753 (rev V).

I've found an inconsistency between the HAL and the Ref Manual.

The STMicro HAL for AES for STM32H7x3 is setting some bits called NPBLB in CRYP_CR register if the product revision is above rev B.

But these bits are not documented in the ref manual rev 7.

Is it just an error of the HAL ?

CodePudding user response：

It is common for the IP blocks to be shared between different STM32 families, so if you cannot find info in the reference manual of your device, it is