A system and method for reusable efficient key distribution is disclosed. Key distribution is effected through the application of self-repairing groups that obviate the need for key distribution messages...
Card like electronic equipment, such as a security digital (SD) memory card, includes a CPU, a real time clock (RTC) for counting time data; a FLASH ROM for storing the time data read out from the RTC...
A method and a secure system, processing on one or more computers, provides a way to control a group transaction. The invention uses group consensus access control and multiple distributed secure agents...
An access control system for an electronic entertainment device includes a processor and a memory comprising access control instructions for execution by the processor. The instructions periodically present...
Various embodiments of systems and methods for implementing filter-based attribute value access control are disclosed. In one embodiment, a method involves designating a location in the directory server,...
A public key validation agent (PKVA) includes a registration authority which issues a first unsigned public key validation certificate (unsigned PKVC) off-line to a subject that binds a public key of the...
Methods for securing booting a personal computer system. One method includes establishing a secret between two or more devices and securing the secret in each of the two or more devices. Another method...
The invention is directed to a caching system for authorization requests. The authorization request is intercepted by a authorization manager. The manager searches in a cache for matching request criteria....
The present invention is directed to computer viruses and more particularly to a method and system for use in a virus-free certificate firewall, of controlling and filtering files using a virus-free certificate....
