SYMMETRIC KEY DISTRIBUTION FRAMEWORK FOR INTERNET

PROBLEM TO BE SOLVED: To provide a method, a device, and a system, which can continuously and dynamically distribute symmetric keys from a dedicated key distribution server to each client on the Internet.SOLUTION: A method comprises: a step for receiving measured health information from a client 100 on a key distribution server 124; a step for validating the measured health information on the server; a step for sending a session key to the client on the server when the measured health information is validated; and a step for initiating encrypted and authenticated connection with an application server 106 in a domain 102 using the session key, on the client, when the client receives the session key.