Whirlpool (hash function)
In computer science and cryptography, Whirlpool (sometimes styled WHIRLPOOL) is a cryptographic hash function. It was designed by Vincent Rijmen (co-creator of the Advanced Encryption Standard) and Paulo S. L. M. Barreto, who first described it in 2000.
| General | |
|---|---|
| Designers | Vincent Rijmen, Paulo S. L. M. Barreto |
| First published | 2000, 2001, 2003 |
| Derived from | Square, AES |
| Certification | NESSIE |
| Detail | |
| Digest sizes | 512 bits |
| Security claims | Large hashsum size |
| Structure | Miyaguchi-Preneel |
| Rounds | 10 |
| Best public cryptanalysis | |
| In 2009, a rebound attack was announced that presents full collisions against 4.5 rounds of Whirlpool in 2120 operations, semi-free-start collisions against 5.5 rounds in 2120 time and semi-free-start near-collisions against 7.5 rounds in 2128 time. | |
The hash has been recommended by the NESSIE project. It has also been adopted by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) as part of the joint ISO/IEC 10118-3 international standard.
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