3 ms·
Military codebooks are used in this way for authenticating over unsecured links. Letters or numbers laid out in a grid-like format, and you make the far side re
by nknighthb 13y ago
Military codebooks are used in this way for authenticating over unsecured links. Letters or numbers laid out in a grid-like format, and you make the far side read off a certain cell.
http://en.wikipedia.org/wiki/DRYAD http://en.wikipedia.org/wiki/DRYAD
http://en.wikipedia.org/wiki/BATCO#Other_functions http://en.wikipedia.org/wiki/BATCO#Other_functions