s390/zcrypt: Fix CCA cipher key gen with clear key value function

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Regression tests showed that the CCA cipher key function which
generates an CCA cipher key with given clear key value does not work
correctly. At parsing the reply CPRB two limits are wrong calculated
resulting in rejecting the reply as invalid with s390dbf message
"_ip_cprb_helper reply with invalid or unknown key block".

Fixes: f2bbc96e7c ("s390/pkey: add CCA AES cipher key support")
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Harald Freudenberger 2019-12-20 09:06:09 +01:00 • committed by Vasily Gorbik

parent c79f46a282

commit 94dd3bada5

1 changed files with 2 additions and 2 deletions

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drivers/s390/crypto/zcrypt_ccamisc.c

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