I suggest a password and/or key wallet at the client end. Secure that by biometrics, passphrase, trusted key, or however you want to secure your own password wallet.

This solution allows you to have separate keys or passwords for separate sites. If one gets compromised, then you have partitioned the damage. The only way all of your personal site credentials get stolen is if your wallet software (or hardware) gets compromised. That package and its data are in your possession on a system you, your employees, or your contractors secure. You're not depending on some site on which you may or may not be currently active to keep your credentials for everything safe.

This solution also allows you to have a single sign-on experience at your own expense and effort without pulling in the resources of site administrators or effecting the credential storage of other people. You keep your passwords over there and I'll keep mine over here. I think that works well enough for everyone.

I'm not sure this has anything to do with Perl unless you're assuming that Perl will be the implementation language.

In reply to Re: OpenID alternatives, what do you suggest by mr_mischief
in thread OpenID alternatives, what do you suggest by zentara

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