Authentication system for added security using a third-party authentication, authentication method, and authentication program

摘要

The present invention without placing a significant cost to provide an authentication system capable of achieving enhanced security. An authentication system, received the company's authentication information from the customer, to implement the authentication determination in our own. Next, if its authentication determination is OK, to see if it is registered to use the authentication of others. If there is a third-party authentication registration, it presents a screen to enter the authentication information of other companies to the customer, to receive the authentication information of other companies from the customer. And, to authenticate determine the other authentication information received by other companies, the certification decision is if the OK, the authentication of the customer and OK. If the third-party registration there is more than one, randomly choose a third-party, or to select a third-party authentication method is different from our own, to select a third-party evaluation scores have adopted a higher authentication method than our own.FIELD 1