Checks password hashes against Have I Been Pwned and displays a notification if the hash has been leaked in a breach.

Latest Version

Version
1.1.0
Update
October 28, 2017
Size
26.72KiB
Developer
Category
Users
127
Rating
5 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
Notifications
Storage
ContextMenus
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Prevent Pwned Passwords Extension

Prevent Pwned Passwords helps make sure you don't use any password that's known to have been part of a data breach. If you try to use a password that's known to have been compromised, you'll get an alert.

You can choose to run it whenever you enter a password on any site, whenever you enter a password on a \"Create Account\" page, or only when you choose to check a password from a context menu. You can also whitelist sites, giving you greater control over what passwords are checked.

This extension hashes your password and securely checks that hash against a database of hashes known to be breached. If it's been involved in a past breach (of any account across hundreds of sites), it notifies you so you can change your password.

Note that the only data ever transmitted is a password hash. We never send a clear-text password or any identifiable information like a username or a URL.

This extension uses the Have I Been Pwned service.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 2,"name": "Prevent Pwned Passwords","short_name": "PreventPwned","description": "Checks password hashes against Have I Been Pwned and displays a notification if the hash has been leaked in a breach.","version": "1.1.0","icons": {"16": "ppp_16.png","48": "ppp_48.png","128": "ppp_128.png"},"permissions": ["notifications","storage","contextMenus"],"background": {"scripts": ["background.js","sha1.js"],"persistent": true},"content_scripts": [{"matches": ["http://*/*", "https://*/*"],"js": ["ppp.js"],"run_at": "document_end"}]}
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