Keywords: Sample 1.jpg Cryptosystem Κρυ τσύστημα own ; transferred from http //el wikipedia org el wikipedia; transferred to Commons by User MARKELLOS using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2005-09-05 Κωστας at http //el wikipedia org el wikipedia Later version s were uploaded by Dada at http //el wikipedia org el wikipedia el wikipedia Κωστας Original upload log page el wikipedia Sample_1 jpg 2005-09-17 21 37 Dada 451274 15823 bytes <nowiki> ΧΠΔ </nowiki> 2005-09-05 15 08 Κωστας 980439 25941 bytes <nowiki></nowiki> Cryptography Diagrams in Greek |