crypto: ccree - fix iv handling

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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: 63ee04c8b4 ("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>

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Gilad Ben-Yossef 2018-07-01 08:02:36 +01:00 • committed by Herbert Xu

parent 7671509593

commit 00904aa0cd

1 changed files with 84 additions and 27 deletions

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111

drivers/crypto/ccree/cc_cipher.c

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