The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2009
Filed:
Jul. 15, 2004
Robert Depta, Augsburg, DE;
Robert Depta, Augsburg, DE;
Fujitsu Siemens Computers GmbH, Munich, DE;
Abstract
An encryption system () and a method for encrypting and decrypting sensitive data during a data interchange between at least two electronic appliances communicating with one another. The encryption system () has a data stream module () for providing a synchronous data stream as raw material for key generation, a data module () for preparing the data for the encryption/decryption, a key generator () to which an agreed information portion of the data stream from the data stream module () is supplied, an encryption/decryption unit () which is connected to the data module () and to the key generator () and which encrypts/decrypts the sensitive data using a keyword, and an output unit () for forwarding the encrypted/decrypted data, the key generator () taking the data stream supplied to it and producing a respective keyword for each message which is to be encrypted/decrypted simultaneously on the appliances communicating with one another.