use timing-safe compares for checking results in signature verification
authordjm <djm@openbsd.org>
Wed, 5 Sep 2018 00:55:33 +0000 (00:55 +0000)
committerdjm <djm@openbsd.org>
Wed, 5 Sep 2018 00:55:33 +0000 (00:55 +0000)
commit2f115aa846580043bf0b23d9fcc2c382657c60f6
treeb1dcb8e269bb67857fd9ca9ab329116ebb67890e
parent73f32125c47d194e9f181ae1771a9b70b1014aa0
use timing-safe compares for checking results in signature verification
(there are no known attacks, this is just inexpensive prudence)

feedback and ok tb@ jsing@
lib/libcrypto/rsa/rsa_pmeth.c
lib/libcrypto/rsa/rsa_pss.c
lib/libcrypto/rsa/rsa_saos.c
lib/libcrypto/rsa/rsa_sign.c