this post was submitted on 06 Feb 2024
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Something akin to haveibeenpwned.com password hash partial match? Can that even be done with this data?
Edit: You goofs know you can calculate the hash locally and submit it for review without actually exposing your password to them right? That's how bitwarden does it's check. https://www.troyhunt.com/ive-just-launched-pwned-passwords-version-2/#cloudflareprivacyandkanonymity
Ah, but Mozilla isn't even trying to do anything cool like that. They just use onereap and those fuckers look shady. Quotes from their privacy policy: https://onerep.com/privacy-policy#what-data-we-collect-and-how-we-do-that
The bastards
The front page there is literally: "Give us your email, so we can find leaks of your email." It's exactly the same thing.
They are talking about the password lookup: https://haveibeenpwned.com/Passwords
But, it's the same deal. You have to trust they are actually doing what they say. Mozilla uses haveibeenpwned for their basic Monitor service too.
To be fair, you can check the code they run or just use the API.
The hash is calculated locally, cut-off and then send, the server returns all hashes it found which start with your one and then you can check if yours in in the list locally.