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Kupyna (Ukrainian: Купина) is a cryptographic hash function defined in the Ukrainian national standard DSTU 7564:2014. It was created to replace an obsolete GOST hash function defined in the old standard GOST 34.11-95, similar to Streebog hash function standardized in Russia.
Standards, Description & Cryptanalysis
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function hash standard rebound digest 512 bits attack rounds 256 gost defined kupyna-256 time 2120 dstu sizes ukrainian compression attacks
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Kupyna | Certification | DSTU standard | 1.00 | infobox |
| Kupyna | Digest sizes | arbitrary (8–512 bit) | 1.00 | infobox |
| Kupyna | First published | 2014 | 1.00 | infobox |
| Kupyna | Related to | GOST | 1.00 | infobox |
| Kupyna | Rounds | 10 (digest size 8–256) or 14 (digest size 257–512) | 1.00 | infobox |
| Kupyna | related to Cryptanalysis | Christoph Dobraunig | 0.60 | section |
| Kupyna | related to Cryptanalysis | Maria Eichlseder | 0.60 | section |
| Kupyna | related to Cryptanalysis | Florian Mendel | 0.60 | section |
| Kupyna | related to Cryptanalysis | Kupyna-256 | 0.60 | section |
| Kupyna | related to Cryptanalysis | Grøstl | 0.60 | section |
| Kupyna | related to Cryptanalysis | Jian Zou | 0.60 | section |
| Kupyna | related to Cryptanalysis | Le Dong | 0.60 | section |
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