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Metoda za omogočanje overjanja in zaupnosti v okoljih RFID s pomočjo lahkih protokolov : SI22773 (A), 2009-10-31
Trček, Denis ; Jappinen, Pekka
Predmet izuma je metoda v dveh izvedenkah za omogočanje vamosti in zasebnosti v poljubnih digitalnih komunikacijskih okoljih, predvsem pa v tistih, kjer se uporabljajo vezja RFID (Radio Frequency ...IDentification). Omogočanje varnosti in zasebnosti je osnovano na tajnopisnih (kriptografskih) mehanizmih z uporabo t.i. nedeterminističnega načina, ki zahteva malo logičnih vrat. To poteka tako, da si čitalec in značka RFID delita skupno skrivnost, poleg tega pa sta oba sposobna izračunavati isto enosmerno zgoščevalno funkcijo, opravljati operacijo stika in operacijo XOR. Čitalec in značka RFID si delita še eno skupno vrednost, ki določa interval za izračun naključnih vrednosti. Proces overjanja poteka tako, da čitalec pošlje izziv, ki je enkratna vrednost, na podlagi katere ob uporabi skrivne vrednosti vezje RFID izračuna naključen odziv z omenjenega intervala in ga pošlje čitalcu v preverjanje. Izračun odziva je tak, da je kriptografsko močan in zagotavlja zasebnost.
Type of material - patent
; adult, serious
Publication and manufacture - Ljubljana : Urad RS za intelektualno lastnino, 2009
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