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bcrypt hash calculator

The Blowfish-based password hash by Niels Provos and David Mazières, slowed by a tunable cost parameter. It uses only the first 72 bytes of input.

Up to 10 MiB; the file never leaves your browser.

Technical details

Output
Encoded hash including salt and parameters
Standard
USENIX 99
Designed by
Provos, Mazières, 1999
Security status
Suitable for password storage
Speed
Deliberately slow (KDF)

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