[dm-devel] [PATCH v2] hex2bin: make the function hex_to_bin constant-time

Jason A. Donenfeld Jason at zx2c4.com
Wed May 4 09:44:37 UTC 2022


On Wed, May 04, 2022 at 11:42:27AM +0200, Jason A. Donenfeld wrote:
> (which might be semantically better anyway) and then
> let the function itself do the sign change (see below).
 
Actually, probably worse, not better. Didn't realize cu was being used
after the masking.



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