You are not submitting your master password to them. It's been a while since I completely understood the login process, but this should be mostly right: 1. The encryption key is a local hash of your email address and…
The website and extensions are mostly JavaScript, so you can audit the code yourself if you wish. LastPass does use a proprietary plugin for some features, but they have a binary free version for most, if not all…
You are not submitting your master password to them. It's been a while since I completely understood the login process, but this should be mostly right: 1. The encryption key is a local hash of your email address and…
The website and extensions are mostly JavaScript, so you can audit the code yourself if you wish. LastPass does use a proprietary plugin for some features, but they have a binary free version for most, if not all…