- The biggest problem I see with this is not wanting to use unsecure computers because you would have to share your private key with that computer to log on, but the same could be said for passwords.
- convincing people to carry around a usb stick containing keys seems much easier than convincing them to choose and track dozens of hard to guess/bruteforcable passwords.
@zacharius I think that this in basically what WebAuthn is doing (with the addition of username-like features and per-website key pairs). https://developers.google.com/web/updates/2018/05/webauthn
@zacharius The two issues I see with this is that 1) people are totally going to lose their USBs -- so then they're screwed. 2) USB sticks are a super easy to inject malicious code into a new computer. I've heard of companies with software that auto-formats USB devices upon being plugged into the computer.
How are you seeing this model as more secure than a password manager?
@sgparent I agree that portable drives are a problem and the best practice would be to only store keys on personal devices. This would be a limitation in that you wouldn't be able to log on through any device, but most people carry computers around with them everywhere so I don't think that is too much of an issue.
Keys beat passwords because I don't have to trust a 3rd party with my private key, like I do my passwords. Smart companies store hashes instead of keys anyway but I don't want to have to trust that companies have sane security practices.
Also it is much more manageable to keep track of a keypair than dozen of passwords. I am relatively educated on security and I still reuse most of my passwords. It's not functional to maintain sane security across dozens of account with passwords
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