Seeing-Is-Believing: using camera phones for human-verifiable authentication.

Jonathan M. McCune Adrian Perrig Michael K. Reiter Seeing-Is-Believing: using camera phones for human-verifiable authentication. 43-56 2009 4 IJSN 1/2 http://dx.doi.org/10.1504/IJSN.2009.023425 db/journals/ijsn/ijsn4.html#McCunePR09