There's a bunch of references to scratch codes in the pam google-authenticator module, but I haven't actually tried to run the code. http://code.google.com/p/g

There's a bunch of references to scratch codes in the pam google-authenticator module, but I haven't actually tried to run the code. http://code.google.com/p/google-authenticator/source/browse/libpam/google-authenticator.c#621 http://code.google.com/p/google-authenticator/source/browse/...