About SimK

SimK · 2023-12-19

Hi,i implemented our TF-A update by using both bootareas:1) checking EXTCSD for active bank2) flashing opposite bank3) after verification switching EXTCSD (mmc bootpart enable)not failsafe but at least atomic / verified.(btw, i'm missing the feature ...

SimK · 2023-12-05

Hi,i'm implementing our field-update using the A/B mechanism for FIP image.Would like to use the Update Client described on the page as a template:https://wiki.st.com/stm32mpu/wiki/Secure_Firmware_Update#Update_ClientBut no idea where to find it. I d...

SimK · 2024-10-01

It's a while since i did this, i didn't check the newest baseline from ST, but back then for kirkstone it was really incomplete support for FIP signing (and no yocto support for TF-A signing at all). I had to build and install it for my host environm...

SimK · 2024-01-31

Hi,i know this is a late response, but perhaps for someone else looking at this:(@AZaki.2) I think this works in such a way that both TrustedWorldKey and NonTrustedWorldKey are secured via the trusted_key_cert, which is verified with one of the publi...

SimK · 2023-12-20

Hi,ok, then it's as I suspected.if it is just as hard-connected with the EXT_CSD setting, then the register is enough for me to verify that it works like this.thanks for the fast response!

SimK · 2023-12-19

Hi Christophe, thank you for your answer...the documentation speaks so naturally of the update tool that I assumed you just had to find it somewhere.I have implemented it in the meantime, as suggested with devmem2, if anyone is wondering where to fin...

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EMMC Bootarea selection Debugging

Failsafe FIP update with PSA_FWU_SUPPORT

Re: How to use a smartcard (pkcs11) with create_cert/fiptool

Re: How to use a smartcard (pkcs11) with create_cert/fiptool

Re: EMMC Bootarea selection Debugging

Re: Failsafe FIP update with PSA_FWU_SUPPORT