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linux/block/sed-opal.c
Revanth Rajashekar 88d6041d07 block: sed-opal: Change the check condition for regular session validity 
This patch changes the check condition for the validity/authentication
of the session.

1. The Host Session Number(HSN) in the response should match the HSN for
   the session.
2. The TPER Session Number(TSN) can never be less than 4096 for a regular
   session.

Reference:
Section 3.2.2.1   of https://trustedcomputinggroup.org/wp-content/uploads/TCG_Storage_Opal_SSC_Application_Note_1-00_1-00-Final.pdf
Section 3.3.7.1.1 of https://trustedcomputinggroup.org/wp-content/uploads/TCG_Storage_Architecture_Core_Spec_v2.01_r1.00.pdf

Co-developed-by: Andrzej Jakowski <andrzej.jakowski@linux.intel.com>
Signed-off-by: Andrzej Jakowski <andrzej.jakowski@linux.intel.com>
Signed-off-by: Revanth Rajashekar <revanth.rajashekar@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-12 08:00:10 -06:00

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