subjectTermFull: I. MATHEMATICS AND COMPUTER SCIENCE::COMPUTER SCIENCE::INFORMATION ASSURANCE AND SECURITY::ENGINEERINGsubjectTerm: III. ENGINEERING AND TECHNOLOGYauthor: Pagourtzis, Aristeidis_or_Cheilas, Konstantinos_or_Mavridis, Ioannis_or_Georgiadis, Christos