mac80211: use constant time comparison with keys
commit 2bdd713b upstream. Otherwise we risk leaking information via timing side channel. Fixes: fdf7cb41 ("mac80211: accept key reinstall without changing anything") Signed-off-by:Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Cc: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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a9ab1b2e
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