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Paper 2016/770
KangarooTwelve: fast hashing based on Keccak-p
Guido Bertoni and Joan Daemen and Michaël Peeters and Gilles Van Assche and Ronny Van Keer
Abstract
We propose a fast and secure arbitrary output-length hash function aiming at a higher speed than the FIPS 202's SHA-3 and SHAKE functions, while retaining their flexibility and basis of security. Furthermore, it can exploit a high degree of parallelism, whether using multiple cores or the single-instruction multiple-data (SIMD) instruction set of modern processors. On Intel's Haswell and Skylake architectures, KangarooTwelve tops at less than 1.5 cycles/byte for long messages on a single core. Short messages also benefit from about a factor two speed-up compared to the fastest FIPS 202 instance SHAKE128.
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- hash functionsextendable output functionsKeccaktree hashingSakura coding
- Contact author(s)
- keyak @ noekeon org
- History
- 2018-05-31: revised
- 2016-08-12: received
- See all versions
- Short URL
- https://ia.cr/2016/770
- License
-
CC BY