About KHend.1

KHend.1 · 2020-10-23

I have implemented AES encryption / decryption on a STM32WB55 using keys stored in FUS. However, I'm running into a problem when I try to encrypt or decrypt using a non-FUS key. I get a hardfault when the key is written to the registers. Which I assu...

KHend.1 · 2020-10-26

Hi Remi, Thanks for the response. I took a look at the CKS example and it's very close to what I am doing. There are a couple unanswered questions though:How is a key unloaded? The AN5185 documents a command for unloading keys but the matching fu...

KHend.1 · 2020-10-24

I've since discovered that I can unload the key if FUS is running. But if the wireless stack (BLE full) is running it reports the unload user key command is unknown. Is it really only possible to unload a user key when FUS is running?

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How do I unload a key that was previously loaded by SHCI_C2_FUS_LoadUsrKey?

Re: How do I unload a key that was previously loaded by SHCI_C2_FUS_LoadUsrKey?

Re: How do I unload a key that was previously loaded by SHCI_C2_FUS_LoadUsrKey?