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(-) -- 2.17.1
