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authorJason A. Donenfeld <Jason@zx2c4.com>2017-06-11 21:20:23 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-15 10:16:16 (GMT)
commit716986547f1f052a7f49b5e5502e76db3a32d3e7 (patch)
treeebb1761cfabb4100d70d88c1a77440459750ef0a /fs
parent0d6758f74a469ff34e353ddd9bf3229afff7915b (diff)
downloadlinux-716986547f1f052a7f49b5e5502e76db3a32d3e7.tar.xz
crypto: rsa-pkcs1pad - use constant time memory comparison for MACs
commit fec17cb2231733174e039ad9054fa16bb358e2ec upstream. Otherwise, we enable all sorts of forgeries via timing attack. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Suggested-by: Stephan Müller <smueller@chronox.de> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: linux-crypto@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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