[PATCHv2 06/27] crypto: ahash: increase the maximum allowed statesize

Herbert Xu herbert at gondor.apana.org.au
Fri Jun 24 03:32:09 PDT 2016


On Wed, Jun 22, 2016 at 04:23:39PM +0300, Tero Kristo wrote:
> The statesize is used to determine the maximum size for saved ahash
> context. In some cases, this can be much larger than what is currently
> allocated for it, for example omap-sham driver uses a buffer size of
> PAGE_SIZE. Increase the statesize to accommodate this.
> 
> Signed-off-by: Tero Kristo <t-kristo at ti.com>

Nack.  The exported state is supposed to consist of the actual
hash state, plus at most one block worth of unhashed data.  It's
limited so that we can store it on the stack.

So no I'm not taking this patch.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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