Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Google supports HOTP-based codes that can be generated by a mobile application or even a local bookmarklet. They also support printed one-time codes.

Here's the open source project for the mobile app and PAM module: http://code.google.com/p/google-authenticator/

(Disclaimer: I worked on this.)



Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: