METHOD AND SYSTEM FOR MOBILE TERMINALS HANDING OVER BETWEEN CLEAR SESSION AND ENCRYPTED SESSION COMMUNICATIONS

摘要

The present invention discloses a method for clear session and scrambled session communication handover between mobile terminals comprising: a first terminal initiating a scrambled session handover control request to a second terminal, and the second terminal returning a scrambled session handover control response after receiving the scrambled session handover control request; and the first terminal initiating a key negotiation process with the second terminal after receiving the scrambled session handover control response returned by the second terminal, and then transferring to scrambled session communication or suspending the scrambled session communication with the second terminal; wherein the scrambled session handover control request includes a scrambled session request or a clear session request. The present invention further provides a system for clear session and scrambled session communication handover between mobile terminals comprising a scrambled session handover control module and an encryption module set in a mobile terminal. The present invention protects end-to-end security in the communication process of the mobile terminals effectively.