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:
Nov. 12, 2013
Filed:
Sep. 16, 2005
Silke Holtmanns, Vantaa, FI;
Pekka Laitinen, Helsinki, FI;
Philip Ginzboorg, Espoo, FI;
Kari Miettinen, Klaukkala, FI;
Jaakko Rajaniemi, Helsinki, FI;
Silke Holtmanns, Vantaa, FI;
Pekka Laitinen, Helsinki, FI;
Philip Ginzboorg, Espoo, FI;
Kari Miettinen, Klaukkala, FI;
Jaakko Rajaniemi, Helsinki, FI;
Nokia Corporation, Espoo, FI;
Abstract
This invention relates to security procedures in a communication system, specifically to production of key material. The invention provides a method for producing key material in a highly secure way for use in communication with a local network of a company. The method uses authentication information obtained from the communication system and information exchanged locally between a mobile station and the authentication systems of the company to produce a communication key for use in authentication procedures or e.g. for signing and/or encrypting data.