COS(Chip Operating System) is mainly used in the chip of the electronic credentials, to control the information exchange between the chip and outside. NJA COS is compliant with ICAO 9303, integrated with multiple security technologies, and passed EAL4+ certification. NJA COS is deployed in the chips of the ordinary Passport for Public Affairs, issued by the Foreign Affairs Ministry of China, and it's the unique COS appointed by the Foreign Affairs Ministry of China.
Control the information exchange between the smart card and the outside
Manage the storage of the smart card, and proceed various commands inside the card
COS is a specific system, while not an universal system .In general, a COS is applicable for a certain (or a certain kind of ) smart card, the COS in different cards are usually different.
The specificity of COS ensures the high security level of the COS.
As a pioneer of COS research and development in China, NJA designed and developed the specific COS for the ordinary Passport for Public Affairs. This COS is compliant with ICAO 9303 standard, and completely satisfy the international standards and regulations of Epassport. NJA COS passed the strict testing of FIMA(an international professional testing organization), achieving high praises of FIMA, and the official acceptance of numerous international professional organizations.