This is basically two-factor authentication, without the first factor. Isn't Google Authenticator supposed to have an open API so that any service can give you

This is basically two-factor authentication, without the first factor. Isn't Google Authenticator supposed to have an open API so that any service can give you a secure seed and then let you use your mobile phone to login? https://code.google.com/p/google-authenticator/ https://code.google.com/p/google-authenticator/