Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Synchronization of cryptographic keys between two modules of a distributed system Image Number 6 for United States Patent #6064989. The apparatus comprises: a first module including a universal key; a second module including a unique identifier and a unique key wherein the unique key is derived from the unique identifier and the universal key and incorporated into the second module during manufacture of the second module. The second module is in communication with the first module. The apparatus further comprises a controller for performing the following subsequent to manufacture of the first module and the second module: initiating a communication session between the first module and the second module; transmitting the unique identifier from the second module to the first module; and deriving the unique key in the first module using the unique identifier and the universal key. A method for synchronization of cryptographic keys between modules of a distributed system and a method of manufacturing a postage evidencing system are also provided.       Recently Added Patents Method and system for authenticating telephone callers and avoiding unwanted calls Methods and apparatus to analyze computed tomography scan data Movable tap finite impulse response filter Canal hearing device with disposable battery module Electronic device and method of automatically testing transmission lines System and method for associating characters to keys in a keypad in an electronic device Magnetic and optical rotating storage systems with audio monitoring   Randomly Featured Patents Camera, system and method for producing composite photographic image Liquid recovery member, exposure apparatus, exposing method, and device fabricating method Adaptive omni-modal radio apparatus and methods Distance measuring device Deck stain applicator Powder paint with epoxy and amide copolymer and mixture of dicarboxylic acids and polyanhydrides Arrangement for sails Polymeric sleeve for surgical instruments Optical modulator including waveguide grating structure and multiple quantum well layer Process for preparing copolymer polyols © 2006-2008 PatentGenius. All Rights Reserved.