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4e13752934
Backport an algorithmic change to grub_crypto_memcmp() so that it completes in constant time and thus isn't susceptible to side-channel attacks. (From OE-Core rev: 30a1cc225a2bd5d044bf608d863a67df3f9c03be) (From OE-Core rev: f346b4e49a20023028238a810e0597b1c9f38d62) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Yogita Urade <yogita.urade@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>