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authorHerbert Xu <herbert@gondor.apana.org.au>2017-07-17 09:32:30 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2017-07-18 11:01:11 +0200
commit41cdf7a45389e01991ee31e3301ed83cb3e3f7dc (patch)
treedf34fc42687bb28c8d800fb71bb6b0bf1eaa1973 /crypto/rmd256.c
parentcrypto: brcm - remove BCM_PDC_MBOX dependency in Kconfig (diff)
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crypto: authencesn - Fix digest_null crash
When authencesn is used together with digest_null a crash will occur on the decrypt path. This is because normally we perform a special setup to preserve the ESN, but this is skipped if there is no authentication. However, on the post-authentication path it always expects the preservation to be in place, thus causing a crash when digest_null is used. This patch fixes this by also skipping the post-processing when there is no authentication. Fixes: 104880a6b470 ("crypto: authencesn - Convert to new AEAD...") Cc: <stable@vger.kernel.org> Reported-by: Jan Tluka <jtluka@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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