Understanding Have I Been Pwned's Use of SHA-1 and k-Anonymity
Troy Hunt
JUNE 30, 2022
Later in 2018, I did the same thing with the email address search feature used by Mozilla, 1Password and a handful of other paying subscribers. Four and a half years ago now, I rolled out version 2 of HIBP's Pwned Passwords that implemented a really cool k-anonymity model courtesy of the brains at Cloudflare.
123 
Let's personalize your content