How would you check for duplicate entries if you use a different salt per entry? | Hacker News

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		dastx on Nov 2, 2020 \| parent \| context \| favorite \| on: You might not need to store plaintext email addres... How would you check for duplicate entries if you use a different salt per entry?

stjo on Nov 2, 2020 [–]

Check every previously generated salt with the currently received email for collision.

NiceWayToDoIT on Nov 2, 2020 | [–]

Lets imagine that a@exam.com and b@exam.com have same hash, so you use different salt so that they are different. How do you know which one is which? Which salt belongs to what email?

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