diff options
Diffstat (limited to 'CHANGELOG.txt')
| -rw-r--r-- | CHANGELOG.txt | 51 |
1 files changed, 21 insertions, 30 deletions
diff --git a/CHANGELOG.txt b/CHANGELOG.txt index eb074ad..f793279 100644 --- a/CHANGELOG.txt +++ b/CHANGELOG.txt @@ -1,26 +1,16 @@ -v1.1 -==== - -ref ---- +This document summarizes the modifications brought by each version. Some modifications are tagged as follows: -### Fixes +- [spec] when the modification is brought by a new revision of the specification, +- [break] when the modification changes the implementation's output. -These modifications change the algorithm's output. +A modification that has no tag corresponds to stylistic and/or structural changes that have no impact on test vectors. -- Change alpha coefficients in tweakey schedule to ensure lane 0 is updated between each round: - - lane 0: Id => M - - lane 1: M => M^2 - - lane 2: M^2 => M^3 - - lane 3: M^3 => M^4 - - lane 4: M_R (unchanged) - - lane 5: M_R^2 (unchanged) - - lane 6: M_R^3 (unchanged) - (multiplications.h, tweakey.c) -### Cleanups +v1.1 +==== -These modifications are structural and/or stylistic and do not change the algorithm's ouptut. +ref +--- - Introduce helper function copy_block_index() to make tweak-building functions more legible. (lilliput-ae-utils.h, lilliput-i.c, lilliput-ii.c) @@ -37,16 +27,21 @@ These modifications are structural and/or stylistic and do not change the algori - Use size_t to iterate on arrays in lilliput_tbc_encrypt() and lilliput_tbc_decrypt(). (cipher.c) +[spec][break] +- Change alpha coefficients in tweakey schedule to ensure lane 0 is updated between each round: + - lane 0: Id => M + - lane 1: M => M^2 + - lane 2: M^2 => M^3 + - lane 3: M^3 => M^4 + - lane 4: M_R (unchanged) + - lane 5: M_R^2 (unchanged) + - lane 6: M_R^3 (unchanged) + (multiplications.h, tweakey.c) + add_threshold ------------- -### Fixes - -See reference implementation. - -### Cleanups - -See reference implementation. Further cleanups: +See reference implementation. Further changes: - Add constant macros KEY_LANES_NB and TWEAK_LANES_NB to make tweakey schedule code more legible. (tweakey.c) @@ -59,11 +54,7 @@ See reference implementation. add_python ---------- -### Fixes - -See reference implementation. - -### Cleanups +See [spec] and [break] changes in reference implementation. Further changes: - Re-write tweakey multiplications to better resemble the specification. (multiplications.py) |