subjectTermFull: I. MATHEMATICS AND COMPUTER SCIENCE::COMPUTER SCIENCE::INFORMATION ASSURANCE AND SECURITY::ENGINEERINGsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCEauthor: Grontas, Panagiotis_or_Mavridis, Ioannis_or_Zachos, Efstathios_or_Cheilas, Konstantinos_or_Pagourtzis, Aristeidis