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Encrypted data communication for EnOcean radio

10-10-2012 10:13 AM CET | Energy & Environment

Press release from: EnOcean GmbH

/ PR Agency: Neesham PR
EnOcean?s new PTM 215 offers data encryption for secure wireless communication in smart home, security access control systems and

EnOcean?s new PTM 215 offers data encryption for secure wireless communication in smart home, security access control systems and

* New PTM 215 energy harvesting switch module including rolling code
* Enhanced function library (DolphinAPI) for customer-specific integration of security features

Oberhaching/Munich, Germany, October 09, 2012 — EnOcean today announced the presentation of PTM 215, the first energy harvesting switch module integrating rolling code, at electronica 2012 (November 13–16, Munich). This additional functionality offers data encryption for secure wireless communication in smart home, security access control systems and other critical applications. In addition, EnOcean has expanded its DolphinAPI function library with new data decryption and encryption functions to enable easy and fast integration of security features in existing OEM Dolphin-based products. EnOcean will demonstrate the new module at the following partner booths: Future Electronics (hall A4, booth 259) and Farnell (hall A5, booth 558 and 559). The PTM 215 will be available for OEMs by November 2012.

The EnOcean PTM 215 module creates a 16 bit rolling code for each wireless telegram. The telegram header, telegram data and current rolling code in turn form the basis for generating a 24 bit message authentication code (MAC). The receiving system can use this code to check the authenticity of the data package.

Harness energy at the press of a button
The self-powered switch module harvests the energy it needs for generating the rolling code telegram and the wireless transmission with the help of the ECO 200 mechanical energy converter. The converter generates enough energy at the press of a button to enable the module to send at least two redundant wireless telegrams. The PTM 215 is fully compatible with the PTM 200 pushbutton switch module, which exists since 2005, and requires no separate switch design. The new module is particularly suited to flat wireless switches with one or two rockers and manual switches with up to four buttons. This allows OEMs to manufacture switches for dimmers or blind management, for example. The PTM 215 complies with the wireless standard ISO/IEC 14543-3-10 and is available for the 868 MHz frequency band.

Function library including security
To enable easy integration of data decryption and encryption functions into existing products, EnOcean is now offering a new version of its DolphinAPI function library. OEMs can equip a receiver with data decryption functionality, for instance, to communicate with the new switch module PTM 215. Furthermore, the new security features of the API can be used to expand customer-specific firmware, running on Dolphin modules. Here, EnOcean has adopted a modular security concept. By adding data security this in turn brings an increase in energy requirements. Manufacturers can control this by combining encryption mechanisms according to the individual demands of a particular solution.
“Machine-to-machine (M2M) communication and smart home systems connect more and more devices to each other. Exchanging personal or business data within these solutions requires a secure data transmission to prevent unauthorised access. The new switch module PTM 215, as well as the additional security features of DolphinAPI, enables our customers to secure the communication of their devices accordingly,” states Frank Schmidt, Chief Technology Officer of EnOcean. „Thereby, OEMs applying energy harvesting wireless technology can meet all requirements of network applications in terms of flexibility, comfort, zero maintenance and data security“.

About EnOcean
EnOcean is the originator of patented energy harvesting wireless technology. Headquartered in Oberhaching, near Munich, the company manufactures and markets energy harvesting wireless modules for use in building and industrial applications as well as in further application fields such as smart home, smart metering, logistics or transport. EnOcean technology combines miniaturised energy converters with ultra-low-power electronics and robust RF communication. For 10 years, leading product manufacturers have chosen wireless modules from EnOcean to enable their system ideas. EnOcean is a promoter of the EnOcean Alliance, a consortium of companies from the world's building sector that has set itself the aim of creating innovative solutions for sustainable buildings. Self-powered wireless technology from EnOcean has been successfully deployed in more than 250,000 buildings worldwide. All products are based on the international standard ISO/IEC 14543-3-10, which is optimised for wireless solutions with ultra-low power consumption and energy harvesting.

For more information visit www.enocean.com

Beky Cann
Account Director
Neesham Public Relations
7 Station Approach
Wendover
Aylesbury
Bucks
HP22 6BN
Tel: +44 1296 628180
Email: bekyc@neesham.co.uk

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