crypto: inside-secure - move the digest to the request context

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This patches moves the digest information from the transformation
context to the request context. This fixes cases where HMAC init
functions were called and override the digest value for a short period
of time, as the HMAC init functions call the SHA init one which reset
the value. This lead to a small percentage of HMAC being incorrectly
computed under heavy load.

Fixes: 1b44c5a60c ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
[Ofer here did all the work, from seeing the issue to understanding the
root cause. I only made the patch.]
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Antoine Tenart 2018-03-19 09:21:13 +01:00 • committed by Herbert Xu

parent e9acf05255

commit b869648c06

1 changed files with 18 additions and 12 deletions

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drivers/crypto/inside-secure/safexcel_hash.c

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