The invention provides a
system and method for realizing identity identification and data
authentication based on a security medium confidential short message. The
system comprises a function extension SIM card, a mobile terminal application program, and a cloud-side
server, wherein the function extension SIM card comprises a security
chip, a
buzzer, and an indicator light, wherein the security
chip is formed by integrating a control module and a security
processing module; a
JAVA-based platform operation
system, an
authentication application, a STK application and a multi-application management platform are installed in the function extension SIM card; the cloud-side
server comprises an
authentication server, a CA server and a business server; the
authentication server is used for managing the authentication application; the CA server is used for generating and managing a
certificate; the business server is used for managing the third-party application; the
JAVA-based platform operation system is used for providing
operating environment and an API interface; the multi-application management platform is used for the security and management of the authentication application and the STK application; the authentication application is used for performing signature authentication; and the STK application is used for the input-output of the data in the function extension SIM card.