Patent ID: 8695070
Filing Date: 2014-04-08
Classification: H04L

Abstract:
1. A user identification method applicable to a network transaction, comprising the following steps: (1) having a user device deliver a certificate packet to a certificate server via a first network, the certificate packet including a user identification number; (2) having the certificate server deliver an inquiry packet to a password server, the inquiry packet including the user identification number; (3) having the password server inquire a database about a password and an expiration time thereof corresponding to the user identification number; (4) having the password server deliver a reply packet to the user device via a second network, the reply packet including a code; (5) having the user device use the code to produce a user terminal identification code; (6) the user device delivering an identification packet to the certificate server via the first network, the identification packet including the user terminal identification code; and (7) having the certificate server verify validity of the user terminal identification code and expiration time with the database, so as to determine whether a user of the user device is allowed to proceed a subsequent transaction, Wherein in step (4), the code is a service terminal identification code, and the service terminal identification code is produced by using the user identification number and the password, and in step (5), the user terminal identification code is produced by using the service terminal identification code.