| 摘要 |
A system for authentication of a client includes logic supporting combinations of more than one a "what user knows" authentication factors for strong authentication of a client, such as a static password, random partial pattern recognition factor and a random partial digitized path recognition factor. An interactive method for authentication of a client in a network environment utilizes two or more "what user knows" authentication factors. The two or more "what user knows" authentication factors are algorithmically and parametrically independent. The client is prompted to provide a server the first "what user knows" authentication factor over a communication medium. The server verifies the first "what user knows" authentication factor. If successful, then the client is prompted to provide the server the second "what user knows" authentication factor. The server verifies the second "what user knows" authentication factor, and so on, to complete the authentication process.
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