Introduction - If you have any usage issues, please Google them yourself
National Social Insurance IC card in the joint trial, the levels of key management center using key management system to achieve key security management. Key management system uses the 3DES encryption algorithm, using the total national key management center, two key management center (such as commercial social insurance head office), three members of the management system of social insurance center, security, share a common master key to achieve card exchange, sharing of equipment