General | |
---|---|
Designers | Bruce Schneier, Niels Ferguson, et al. |
Derived from | Threefish |
Certification | SHA-3 finalist |
Detail | |
Digest sizes | arbitrary |
Structure | Unique Block Iteration |
Rounds | 72 (256 & 512 block size), 80 (1024 block size) |
Speed | 6.1 cpb on Core 2.[1] |
Skein is a cryptographic hash function and one of five finalists in the NIST hash function competition. Entered as a candidate to become the SHA-3 standard, the successor of SHA-1 and SHA-2, it ultimately lost to NIST hash candidate Keccak.[2]
The name Skein refers to how the Skein function intertwines the input, similar to a skein of yarn.[1]
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