Understanding Have I Been Pwned's Use of SHA-1 and k-Anonymity
Troy Hunt
JUNE 30, 2022
I mean what if you could take an existing hash for an existing document and say "I'm going to create my own document that's different but when passed through SHA-1, produces the same hash! "? My own email address begins with a "t", so it must be mine! And for what? It's a nonsense argument.
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