Re: [PATCH] crypto: qat - set to zero DH parameters before free

On Mon, May 09, 2022 at 02:19:27PM +0100, Giovanni Cabiddu wrote:

Set to zero the context buffers containing the DH key before they are freed. This is a defense in depth measure that avoids keys to be recovered from memory in case the system is compromised between the free of the buffer and when that area of memory (containing keys) gets overwritten.

Cc: stable@vger.kernel.org Fixes: c9839143ebbf ("crypto: qat - Add DH support") Signed-off-by: Giovanni Cabiddu giovanni.cabiddu@intel.com Reviewed-by: Adam Guerin adam.guerin@intel.com Reviewed-by: Wojciech Ziemba wojciech.ziemba@intel.com

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drivers/crypto/qat/qat_common/qat_asym_algs.c | 3 +++ 1 file changed, 3 insertions(+)

Patch applied. Thansk.