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Google Authenticator for multi-factor authenticationGoogle Authenticator for multi-factor authenticationPosted Dec 8, 2011 13:12 UTC (Thu) by dwmw2 (subscriber, #2063)In reply to: Google Authenticator for multi-factor authentication by drag Parent article: Google Authenticator for multi-factor authentication Google Authenticator doesn't use public/private keys. It has a single symmetric key. Essentially there is no public key; only a private key. So no, the problematic part is not that it's like the SSH public key. The problematic part is that it's like keeping your SSH private key lying around on the file system without a passphrase. And yes, the patch I mention above will allow you to keep the files in a root-owned and root-only-readable location.
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