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Has your password been pwned? Or, how I almost failed to search a 37 GB text file in under 1 millisecond (in Python)

death and gravity · published 13 December 2022

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New helper added: Have I Been Pwned (HIBP) – Check if you have an account that has been compromised in a data breach.
haveibeenpwned.com
https://haveibeenpwned.com/Passwords
haveibeenpwned.com
https://www.troyhunt.com/ive-just-launched-pwned-passwords-version-2/
troyhunt.com
https://haveibeenpwned.com/API/v3
haveibeenpwned.com
https://www.troyhunt.com/downloading-pwned-passwords-hashes-with-the-hibp-downloader/
troyhunt.com
https://hintjens.gitbooks.io/scalable-c/content/chapter1.html
hintjens.gitbooks.io
https://wiki.c2.com/?DoTheSimplestThingThatCouldPossiblyWork
wiki.c2.com
https://docs.python.org/3/library/getpass.html
docs.python.org
https://en.wikipedia.org/wiki/Zeroisation
en.wikipedia.org
https://www.youtube.com/watch?v=UANN2Eu6ZnM&t=438s
youtube.com
https://docs.python.org/3/library/io.html
docs.python.org
https://www.youtube.com/watch?v=OSGv2VnC0go&t=557s
youtube.com
https://en.wikipedia.org/wiki/Binary_search_algorithm
en.wikipedia.org
https://en.wikipedia.org/wiki/Page_cache
en.wikipedia.org
https://qntm.org/destro
qntm.org
https://youtu.be/0twDETh6QaI?t=1787
youtu.be
http://wiki.c2.com/?ProfileBeforeOptimizing
wiki.c2.com
https://github.com/python/cpython/blob/3.10/Modules/_io/bufferedio.c
github.com
https://en.wikipedia.org/wiki/Hash_function
en.wikipedia.org
https://peps.python.org/pep-0020/
peps.python.org
https://developer.apple.com/library/archive/documentation/Performance/Conceptual/ManagingMemory/Articles/AboutMemory.html
developer.apple.com
https://docs.python.org/3/library/bisect.html
docs.python.org
https://docs.python.org/3/library/stdtypes.html
docs.python.org
https://docs.python.org/3/glossary.html
docs.python.org
https://docs.python.org/3/reference/datamodel.html
docs.python.org
https://news.ycombinator.%63%6f%6d/submitlink?u=https%3A//death.andgravity.com/pwned&t=Has%20your%20password%20been%20pwned%3F%20Or%2C%20how%20I%20almost%20failed%20to%20search%20a%2037%C2%A0GB%20text%20file%20in%20under%201%C2%A0millisecond%20%28in%20Python%29
news.ycombinator.%63%6f%6d
https://bsky.%61%70%70/intent/compose?text=Has%20your%20password%20been%20pwned%3F%20Or%2C%20how%20I%20almost%20failed%20to%20search%20a%2037%C2%A0GB%20text%20file%20in%20under%201%C2%A0millisecond%20%28in%20Python%29%20https%3A//death.andgravity.com/pwned
bsky.%61%70%70
https://www.linkedin.%63%6f%6d/sharing/share-offsite/?url=https%3A//death.andgravity.com/pwned
linkedin.%63%6f%6d
https://twitter.%63%6f%6d/%73%68%61%72%65?text=Has%20your%20password%20been%20pwned%3F%20Or%2C%20how%20I%20almost%20failed%20to%20search%20a%2037%C2%A0GB%20text%20file%20in%20under%201%C2%A0millisecond%20%28in%20Python%29&url=https%3A//death.andgravity.com/pwned&via=_andgravity
twitter.%63%6f%6d
https://scotthelme.co.uk/sketchy-pwned-passwords/
scotthelme.co.uk
https://en.wikipedia.org/wiki/Count%E2%80%93min_sketch
en.wikipedia.org
https://scotthelme.co.uk/when-pwned-passwords-bloom/
scotthelme.co.uk
https://stackoverflow.com/q/28676177
stackoverflow.com
https://docs.python.org/3/library/collections.abc.html
docs.python.org
https://peps.python.org/pep-0234/
peps.python.org
https://snarky.ca/unravelling-for-statements/
snarky.ca