Backport 25963 ([rom] Correct the hash order for SPX verify) #28793
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The hmac peripheral produces the SHA256 hash in reversed byte order. We need to byte-reverse the hash to put it into natural byte order before passing it to the `spx_verify` function. Signed-off-by: Chris Frantz <[email protected]> (cherry picked from commit 4184d0f)
pamaury
requested review from
cfrantz,
engdoreis and
jwnrt
and removed request for
a team
jwnrt
approved these changes
Nov 21, 2025
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Backport #25963