Hi,
I burned the PKC and SecureMode fuse only, but did not burn the SBK fuse. But then after burning the fuses I failed to flash the device to make it boot. I’m not sure I understand the documentation correctly:
Is my device in a feasible state at all, or do I have to always burn BOTH - PKC and SBK - fuses to enable secureboot?
hello business37,
PKC for sign: if PKC is burned, then the KEYFILE users provide is for signing the images.
SBK for encryption: if SBK is burned, then the SBKFILE users provide is for encrypting the images.
we’ve never test with enabling SecureBoot with PKC only.
just double check you’ve used RSA-3K for your PKC key, and, please sharing the complete bootloader logs for reference, thanks
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