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Results tagged with password-hashing
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user 4557
Irreversibly converting user-selected passwords into authentication tokens that can be safely stored e.g. in a user database. Typically done with a salted password-based key derivation function (PBKDF), ideally with a memory-hard mixing stage to thwart brute-force attacks using parallel hardware.
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Rehashing PBKDF2 hashes - do iterations stack?
You can achieve this by:
performing pbkdf2(10, existingHash) on all existing hashes and overwriting the existingHash
for new passwords, store: hash = pbkdf2(10, pbkdf2(10, password))
for all future …
- 4,007