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Paper 2015/646
Decomposition attack on SASASASAS
Alex Biryukov and Dmitry Khovratovich
Abstract
We demonstrate the first attacks on the SPN ciphers with 6, 7, 8, and 9 secret layers. In particular, we show a decomposition attack on the SASASASAS scheme when the S-box size M and the block length N satisfy the condition M^2 < N (for example, 8-bit S-box and 128-bit block).
Note: Minor abstract revision
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- ASASAhigh-orderalgebraic
- Contact author(s)
- khovratovich @ gmail com; alex biryukov @ uni lu;
- History
- 2015-07-01: revised
- 2015-07-01: received
- See all versions
- Short URL
- https://ia.cr/2015/646
- License
-
CC BY