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| Number | Title | Issue Date |
| 7644433 | Authentication system and method based upon random partial pattern recognition An interactive client-server authentication system and method are based on Random Partial Pattern Recognition algorithm (RPPR). In RPPR, an ordered set of data fields is stored for a client to be authenticated in secure memory. An authentication server presents a cl... | 01/05/2010 |
| 7581100 | Key generation method for communication session encryption and authentication system An interactive mutual authentication protocol, which does not allow shared secrets to pass through untrusted communication media, integrates an encryption key management system into the authentication protocol. The server provides ephemeral encryption keys in respon... | 08/25/2009 |
| 7577987 | Operation modes for user authentication system based on random partial pattern recognition A system for authentication of a client includes logic supporting a “what user knows” algorithm for authentication of a client, such as a random partial pattern recognition algorithm, based upon client credentials including an account user name and an account au... | 08/18/2009 |
| 7506161 | Communication session encryption and authentication system An interactive mutual authentication protocol, which does not allow shared secrets to pass through untrusted communication media, integrates an encryption key management system into the authentication protocol, so that key management becomes an essential part of the... | 03/17/2009 |
| 7379916 | System and method for private secure financial transactions A clocked authentication, authorization and accounting (CAAA) system and method offers private and secure credit/debit card online and offline financial transactions (FT) including an embedded privacy and security layer (EPSL) architecture. EPSL includes an authenti... | 05/27/2008 |
| 7299356 | Key conversion method for communication session encryption and authentication system An interactive mutual authentication protocol, which does not allow shared secrets to pass through untrusted communication media, integrates an encryption key management system into the authentication protocol. The server encrypts a particular data random key by fir... | 11/20/2007 |
| 7073067 | Authentication system and method based upon random partial digitized path recognition An authentication server provides a clue to a client indicating a random partial subset of a full pattern that characterizes a full digitized path on a frame of reference, and the client enters a data to fulfill an authentication factor suggested by the clue. The fu... | 07/04/2006 |
