This would be a great feature in a lot of web-based apps. Generate a few hundred passwords when you are on a secure connection, use them when needed. Edit: I f

This would be a great feature in a lot of web-based apps. Generate a few hundred passwords when you are on a secure connection, use them when needed. Edit: I found a few implementations. http://wordpress.org/extend/plugins/one-time-password/ http://wordpress.org/extend/plugins/one-time-password/ http://alexking.org/blog/2008/06/27/phonefactor-10 http://alexking.org/blog/2008/06/27/phonefactor-10 http://henrik.schack.dk/yubikey-plugin/ http://henrik.schack.dk/yubikey-plugin/ http://blog.fastmail.fm/2008/07/21/one-time-and-sms-passwords/ http://blog.fastmail.fm/2008/07/21/one-time-and-sms-password... http://squirrelmail.org/plugin_view.php?id=276 http://squirrelmail.org/plugin_view.php?id=276 Yubikey looks interesting and they also have a web service API. http://www.yubico.com/products/yubikey/ http://www.yubico.com/products/yubikey/ http://www.yubico.com/developers/api/ http://www.yubico.com/developers/api/ MyPW is another web service: https://www.mypw.com/ https://www.mypw.com/ OpenOTP supports both hardware tokens (also supports Yubikeys) and all kinds of phones. http://www.rcdevs.com/products/openotp/ http://www.rcdevs.com/products/openotp/