| Patent Number |
Title Of Patent |
Date Issued |
| 5657388 |
Method and apparatus for utilizing a token for resource access |
August 12, 1997 |
| A method and apparatus for utilizing a token which is preferably a "dumb token" to provide secure access by authorized users to a selected resource. The token stores a secret user code in machine readable form, which code is read by a token processor. The token processor also receives |
| 5485519 |
Enhanced security for a secure token code |
January 16, 1996 |
| A method and apparatus are provided for enhancing security for a private key or other multibit secure token code stored in a token by (a) assuring that the secure token code is not stored in the token except for short intervals when the token is actually in use by an authorized user and |
| 5479512 |
Method and apparatus for performing concryption |
December 26, 1995 |
| A method and apparatus for the integrated compression and encryption (concryption) of clear data and for the deconcryption of concrypted data to obtain the clear data for utilization. For concryption, the clear data and an encryption key are obtained, at least one compression step is |
| 5361062 |
Personal security system |
November 1, 1994 |
| A method and apparatus are provided for verifying the identity of a system user. Each user has a token which processes an inputted seed to generate a stored value which is either a current seed value or a function thereof. This value is then changed to generate a new current seed in resp |
| 5237614 |
Integrated network security system |
August 17, 1993 |
| An integrated network security system is provided which permits log-on to a normally locked client on the network in response to at least one coded non-public input to the client by a user. At least a selected portion of the coded input is encrypted and sent to a network server where the |
| 5168520 |
Method and apparatus for personal identification |
December 1, 1992 |
| A method and apparatus for providing improved security for a personal identification number (PIN) in a personal identification and verification system of the type wherein a time dependent nonpredictable code is generated at a device in the possession of the individual, which code is |
| 4720860 |
Method and apparatus for positively identifying an individual |
January 19, 1988 |
| An apparatus for the electronic generation and comparision of non-predictable codes. The appartus of the invention comprises a first mechanism for calculating a first non-predictable code according to a predetermined algorithm, the first mechanism for calculating including a first me |
