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Content
Personal blog · peter.websitesecuritycareer
Content is a personal blog at peter.website about security and career. Since 2021, 8 different Hacker News readers have linked it 9 times, most often “Cryptanalysis of Meow Hash”. It is still writing: the last post was on 2026-08-06, and you can follow it by feed.
Some thoughts
Most-linked posts?
- Cryptanalysis of Meow Hash7 people · 8 mentions · first linked 2021-06-30
What Hacker News says?
Mostly similar to block ciphers or permutations. Differential cryptanalysis is a good starting point. Usually one starts with a reduced-round version, often a single round. Break one round, then see if that can be extended to 2, etc, etc. The cryptanalysis of Meow Hash[1] is instructive, since it's a weak hash and actually vulnerable in full. There's also a good Differential propagation analysis of Keccak[1] paper,…
Comment linking /meow-hash-cryptanalysis
on “Linux Kernel RNG is now Blake2 instead of SHA1 and 3x faster”Submitted Cryptanalysis of Meow Hash as a story · 105 points
HN discussionA detailed analysis of Meow Hash: https://peter.website/meow-hash-cryptanalysis It's not the highest of quality hash functions (see the SMHasher benchmarks), but it is fast. A great alternative is XXH3 ( https://cyan4973.github.io/xxHash/ ), which has seen far more usage in practice.
Comment linking /meow-hash-cryptanalysis
on “Meow Hash (2018)”Submitted Cryptanalysis of Meow Hash as a story · 7 points
HN discussionSubmitted Cryptanalysis of Meow Hash as a story · 2 points
HN discussionSubmitted Equity Is Worth More Than Cash Because of Optionality as a story · 1 points
HN discussionSubmitted Cryptanalysis of Meow Hash as a story · 1 points
HN discussionSubmitted Cryptanalysis of Meow Hash as a story · 1 points
HN discussionSubmitted Cryptanalysis of Meow Hash as a story · 1 points
HN discussion