Daw'r gair cryptograffeg o Roeg hynafol, sef kryptos sy'n golygu cudd a graphein sy'n golygu ysgrifennu.
© Chloroformzt Official - Est 2009
10 Ffeithiau Diddorol About Cryptography and data security

10 Ffeithiau Diddorol About Cryptography and data security