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When I first learned about salting, I thought the same thing. But as I understand it, because each salt is unique (or substantially unique within a given database table), storing the salt & has...
Answer
#1: Initial revision
by
manassehkatz
·
2020-09-17T04:31:46Z (over 4 years ago)
When I first learned about salting, I thought the same thing. But as I understand it, because each salt is unique (or substantially unique within a given database table), storing the salt & hash together does *not* open you up to a rainbow attack. On the other hand, if they are stored separately (separate database; separate fields in a table or even separate tables in a database would in the end be little different from all in one field), you now need to do multiple retrievals to verify the data (one to get the salt to create the hash, the other to verify the hash), which slows down access, raises serious synchronization issues, and may even *increase* possible security vulnerabilities.