[dm-devel] [PATCH v4 0/4] crypto: lrw - Fixes and improvements

[Herbert Xu]

On Thu, Sep 13, 2018 at 10:51:30AM +0200, Ondrej Mosnacek wrote:
> This patchset contains a corner-case fix and several improvements  for
> the LRW template.
> 
> The first patch fixes an out-of-bounds array access (and subsequently
> incorrect cipher output) when the LRW counter goes from all ones to all
> zeros. This patch should be applied to the crypto-2.6 tree and also go
> to stable.
> 
> The second patch adds a test vector for lrw(aes) that covers the above
> bug.
> 
> The third patch is a small optimization of the LRW tweak computation.
> 
> The fourth patch is a follow-up to a similar patch for XTS (it
> simplifies away the use of dynamically allocated auxiliary buffer to
> cache the computed tweak values):
> https://patchwork.kernel.org/patch/10588775/
> 
> Patches 2-4 should be applied only to cryptodev-2.6, but they all depend
> on the first patch.
> 
> Changes in v4:
>   - applied various corrections/suggestions from Eric Biggers
>   - added a fix for buggy behavior on counter wrap-around (+ test vector)
> 
> v3: https://www.spinics.net/lists/linux-crypto/msg34946.html
> Changes in v3:
>   - fix a copy-paste error
> 
> v2: https://www.spinics.net/lists/linux-crypto/msg34890.html
> Changes in v2:
>   - small cleanup suggested by Eric Biggers
> 
> v1: https://www.spinics.net/lists/linux-crypto/msg34871.html
> 
> Ondrej Mosnacek (4):
>   crypto: lrw - Fix out-of bounds access on counter overflow
>   crypto: testmgr - Add test for LRW counter wrap-around
>   crypto: lrw - Optimize tweak computation
>   crypto: lrw - Do not use auxiliary buffer
> 
>  crypto/lrw.c     | 342 +++++++++++++----------------------------------
>  crypto/testmgr.h |  21 +++
>  2 files changed, 112 insertions(+), 251 deletions(-)

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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