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| author | Jack Lloyd <[email protected]> | 2017-10-13 20:12:03 -0400 |
|---|---|---|
| committer | Jack Lloyd <[email protected]> | 2017-10-13 20:14:27 -0400 |
| commit | 69706d9a4cbca0f502d6a810e1e1cbda280367a7 (patch) | |
| tree | 675a89e33e9c118482654a562b4cdcaafc052682 /src/lib/utils | |
| parent | d717356bb4dd5d2ab1bf62bbdf9c26a7c223554c (diff) | |
Optimizations for SM4
Using a larger table helps quite a bit. Using 4 tables (ala AES T-tables)
didn't seem to help much at all, it's only slightly faster than a single
table with rotations.
Continue to use the 8 bit table in the first and last rounds as a
countermeasure against cache attacks.
Diffstat (limited to 'src/lib/utils')
0 files changed, 0 insertions, 0 deletions