Method and system for transaction linkage associated with selection of user equipment

摘要

A transaction interworking method and system combined with a usage terminal specification are disclosed. A transaction interlocking method combined with a use terminal designation includes a step of registering a unique designation user apparatus for electronic transaction to a financial institution server through a registration procedure, a step of registering a seed value and a time synchronization Sharing a session key for configuring a secure channel between a financial institution server and a designated user device on the basis of an authentication procedure, and a step of sharing a session key between a financial institution server, a designated user device and a transaction interworking device, A step of performing an electronic transaction based on a key generated based on the time stamp value, the unique identification information of the designated user device, and the session key.