On Tue, Aug 09, 2022 at 11:40:35AM -0700, Nathan Huckleberry wrote: > HCTR2 is a new wide-block encryption mode that can used for filename encryption > in fscrypt. This patchset adds a reference implementation of HCTR2 to the > fscrypt testing utility and adds tests for filename encryption with HCTR2. > > More information on HCTR2 can be found here: "Length-preserving encryption with > HCTR2": https://ia.cr/2021/1441 > > The patchset introducing HCTR2 to the kernel can be found here: > https://lore.kernel.org/linux-crypto/20220520181501.2159644-1-nhuck@xxxxxxxxxx/ > > Changes in v6: > * Remove unused variable > * Rework cover letter I've merged your v5 patchset. So feel free to send bug fix patches if you found more issues. Thanks, Zorro > > Changes in v5: > * Added links to relevant references for POLYVAL and HCTR2 > * Removed POLYVAL partial block handling > * Referenced HCTR2 commit in test > > Changes in v4: > * Add helper functions for HCTR2 hashing > * Fix accumulator alignment bug > * Small style fixes > > Changes in v3: > * Consolidate tests into one file > > Changes in v2: > * Use POLYVAL multiplication directly instead of using GHASH trick > * Split reference implementation and tests into two patches > * Remove v1 policy tests > * Various small style fixes > > Nathan Huckleberry (2): > fscrypt-crypt-util: add HCTR2 implementation > generic: add tests for fscrypt policies with HCTR2 > > common/encrypt | 2 + > src/fscrypt-crypt-util.c | 357 ++++++++++++++++++++++++++++++++------- > tests/generic/900 | 31 ++++ > tests/generic/900.out | 16 ++ > 4 files changed, 349 insertions(+), 57 deletions(-) > create mode 100755 tests/generic/900 > create mode 100644 tests/generic/900.out > > -- > 2.37.1.559.g78731f0fdb-goog >
