Readable C code for Keccak
27 February 2012
Markku-Juhani O. Saarinen posted an implementation of Keccak in C aimed at readability and clarity, as an alternative to our specifications summary. We appreciate Markku's support.
Pages
- Home
- News
- Files
- Specifications summary
- Tune Keccak to your requirements
- Third-party cryptanalysis
- Our papers and presentations
- Keccak Crunchy Crypto Collision and Pre-image Contest
- The Keccak Team
Documents
- The Keccak reference
- Files for the Keccak reference
- The Keccak SHA-3 submission
- Keccak implementation overview
- Cryptographic sponge functions
- all files…
Notes
- Note on side-channel attacks and their countermeasures
- Note on zero-sum distinguishers of Keccak-f
- Note on Keccak parameters and usage
- On alignment in Keccak
- Sakura: a flexible coding for tree hashing
Software and other files
- Reference and optimized code in C
- Hardware implementation in VHDL
- Known-answer and Monte Carlo test results
- KeccakTools
- Keccak in Python
- all files…
Figures
- Keccak-f state [ODG] [PDF] [PNG]
- Pieces of state [ODG] [PDF] [PNG]
- Step θ [ODG] [PDF] [PNG]
- Step ρ [ODG] [PDF] [PNG]
- Step π [ODG] [PDF] [PNG]
- Step χ [ODG] [PDF] [PNG]
The figures above are available under the Creative Commons Attribution license. In short, they can be freely used, provided that attribution is properly done in the figure caption, either by linking to this webpage or by citing the article where the particular figure first appeared.