Security exchange system and realization method thereof

The invention relates to the technical field of network security and provides a security exchange system and a realization method thereof. The security exchange system comprises clients, a security exchange platform and service processing platforms; the data exchange among the clients, between the clients and the service processing platforms, and among the service processing platforms are all completed by the security exchange platform; wherein, the security exchange platform comprises a transmission unit, a security unit, a business service unit, a data storage unit and a monitoring management unit. The invention employs a uniform data message format and a security authentication and exchange system thereof, effectively solves relevant problems between enterprises and government as well as among enterprises such as data security transmission and identity authentication, realizes the function of authentication access and provides undeniable verification and protection of data.