US Patent 9253162 Intelligent card secure communication method

The present invention relates to the field of information security. Disclosed is an intelligent card secure communication method, capable of preventing the communication data from being monitored or intercepted. The method of the present invention provides a card with a definitely secure communication mechanism, initiates a session for the two communication parties to authenticate each other, and to check the identification legitimacy of the other party and the integrity of communication data, and provides a security constraint for subsequent communication, thus improving communication security.