Integrated data transceiver and sensor for the generation of a symmetrical cryptographic key

US8275123B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Daniel Bichler · Munich, DE
• Guido Stromberg · Birkenfeld, DE
• Manuel Loew · Munich, DE
• Daniel Barisic · Dortmund, DE
• Martin Krogmann · Munich, DE
• Thomas Lentsch · Graz, AT

Key dates

• Filing date: Aug 17, 2007
• Grant date: Sep 25, 2012
• Expiry date: Jan 31, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L2209/805
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Systems for exchanging encrypted data communications between devices. A system can comprise a first device and a second device. The first device can comprise a first sensor adapted to create a first data profile based at least in part on a sensed condition, and a first transceiver integrated with the first sensor and adapted to generate a first cryptographic key from the first data profile. The second device can comprise a second sensor adapted to create a second data profile based at least in part on the sensed condition, the second data profile being substantially similar to the first data profile, and a second transceiver integrated with the second sensor and adapted to generate a second cryptographic key from the second data profile, the first and second cryptographic keys comprising a set of identical cryptographic keys.