A Key Agreement Model based on Identity Authentication

With the identity features and sharing keys of both the communication parties' crypto equipments,a key agreement model based on identity authentication is proposed.With ciphering systems of block crypto algorithm bound with time stamp and harsh algorithm,the working flow of key agreement of crypto equipments is defined,and with this flow,the on-demand agreement of both parties' communication key and the real-time update of sharing key are realized,thus to guarantee the confidentiality,integrity,anti-replay and unpredictability of the key agreement process and provide an effective technical means for secure key exchange of crypto equipments in certain application mode.