| 摘要 |
<p>The invention provides a method and a system of establishing safe and secured identification and authentication of a user, especially a credit or a smart card user, without requiring the users to directly feed their credit card number or names into the computer system. A direct line or a communication network is communicating between a user and an identification center, in some of the preferred embodiments of the present invention through an intermediate service provider, (for example the identification center is a credit card company, or a central access verification and control unit and the intermediate service provider is an e-commerce Internet services or products provider). The method of establishing secured identification and authentication procedure of a user by an identification center is based on the user and the identification center sharing a common secret. The common secret information lies is a string of identification data that includes N symbols associated with respective N ordinal numbers. Based on this data a center string key is created, common to the identification center and the user, that includes I ≤ N symbols and I ≤ N of the associated ordinal numbers.</p> |
