How to remove Csec key wildcard protected attribute?

BigJulie — Wed, 27 Jan 2021 02:26:51 GMT

i know how to load a csec key in S32K,but how can i change csec key attribute of wildcard ?

Best regard,

BigJule.

Re: How to remove Csec key wildcard protected attribute?

lukaszadrapa — Wed, 27 Jan 2021 13:00:39 GMT

Hi,

you need to update the key as described in this application note:

... change attribute wildcard back to 0, increment counter value and change key, if needed. Changing of wildcard back to 0 is not forbidden.

Regards,

Lukas