std.crypto.{p256,p384}: process the top nibble in mulDoubleBasePublic (#11956)
Unlike curve25519 where the scalar size is not large enough to fill
the top nibble, this can definitely be the case for p256 and p384.
b2e4dda001Frank Denis committed on 6/29/2022, 5:43:49 AM· committed by GitHubparent76546b3