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(parent: 20e833d) | patch
crypto: ccp/gcm - use const time tag comparison.
authorCfir Cohen <cfir@google.com>
Tue, 2 Jul 2019 17:32:56 +0000 (10:32 -0700)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 18 Jul 2019 05:39:54 +0000 (13:39 +0800)
commit538a5a072e6ef04377b180ee9b3ce5bae0a85da4
tree7aed90b4c1ecb0291a9d17523d4bc87fec505b44tree | snapshot
parent20e833dc36355ed642d00067641a679c618303facommit | diff
crypto: ccp/gcm - use const time tag comparison.

Avoid leaking GCM tag through timing side channel.

Fixes: 36cf515b9bbe ("crypto: ccp - Enable support for AES GCM on v5 CCPs")
Cc: <stable@vger.kernel.org> # v4.12+
Signed-off-by: Cfir Cohen <cfir@google.com>
Acked-by: Gary R Hook <ghook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/ccp/ccp-ops.c diff | blob | history
Domain: System / Kernel;