tree 2cf609ef64a447d8aa945d0810d94b041847fe71
parent 46c98de7cb831aa11e67d3173b11444e263b9764
author Gilad Ben-Yossef <gilad@benyossef.com> 1530428556 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1534532628 +0200

crypto: ccree - fix iv handling

commit 00904aa0cd59a36d659ec93d272309e2174bcb5b upstream.

We were copying our last cipher block into the request for use as IV for
all modes of operations. Fix this by discerning the behaviour based on
the mode of operation used: copy ciphertext for CBC, update counter for
CTR.

CC: stable@vger.kernel.org
Fixes: 63ee04c8b491 ("crypto: ccree - add skcipher support")
Reported by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>