crypto: vmx - Document CTR mode counter width quirks
authorDaniel Axtens <dja@axtens.net>
Tue, 11 Jun 2019 01:54:31 +0000 (11:54 +1000)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 20 Jun 2019 06:18:33 +0000 (14:18 +0800)
commitf651bd96b20127d1ebc449f01aaaa79277f0574b
treed0dd97b1b630a8424f814efa6f832ac0b0613ea9
parent334d37c9e26364511f0673ef155e2ad207316e90
crypto: vmx - Document CTR mode counter width quirks

The CTR code comes from OpenSSL, where it does a 32-bit counter.
The kernel has a 128-bit counter. This difference has lead to
issues.

Document it.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/vmx/aesp8-ppc.pl