[Python-Dev] Hash collision security issue (now public) (original) (raw)
Steven D'Aprano steve at pearwood.info
Fri Jan 6 04:08:10 CET 2012
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Benjamin Peterson wrote:
2012/1/5 Steven D'Aprano <steve at pearwood.info>: [...]
There's nothing obscure about directly testing the hash. That's about as far from obscure as it is possible to get: you are directly testing the presence of a feature by testing the feature. It's obscure because hash('') != 0 doesn't necessarily mean the hashes are randomized. A different hashing algorithm could be in effect.
Fair point, but I didn't actually suggest testing hash('') != 0, that was Nick's suggestion, which he's since withdrawn.
-- Steven
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