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skein: improve performance #684
Description
The C implementation of Skein in https://github.com/pornin/sphlib is 5x+ faster than the one in RustCrypto/hashes.
skein/512-rust time: [1.3714 µs 1.3734 µs 1.3753 µs]
Found 6 outliers among 100 measurements (6.00%)
4 (4.00%) high mild
2 (2.00%) high severe
skein/512-sphlib time: [200.72 ns 200.79 ns 200.88 ns]
Found 8 outliers among 100 measurements (8.00%)
3 (3.00%) high mild
5 (5.00%) high severe
Activity
newpavlov commentedon Apr 25, 2025
The reason is likely in a suboptimal implementation of the underlying block cipher in the
threefishcrate, since block compress function in Skein is mostly just threefish block encrypt.[-]Skein is quite slow[/-][+]skein: improve perfromance[/+]fck-gthb commentedon Jun 13, 2025
Performance not
perfromance.[-]skein: improve perfromance[/-][+]skein: improve performance[/+]