Libelium Ensures Maximum Security for Smart Cities Sensor Data

New Encryption Libraries for Waspmote Platform Protect Sensitive Data Gathered by Sensor Networks

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“Reliability and security are the chief requirements that we build into Smart Cities sensor network deployments right from the beginning," said David Gascon, CTO of Libelium.

Zaragoza, Spain and Redwood City, Calif. (PRWEB) November 27, 2012

Libelium, a wireless sensor networks platform provider for Smart Cities solutions, has released a set of Encryption Libraries for Waspmote and Plug & Sense!™ sensor platforms, allowing system integrators a new way to deploy secure Wireless Sensor Networks (WSN).

Designed for use in Smart Cities implementations, the new Encryption Libraries are a robust security system ensuring the authentication, confidentiality and integrity of information gathered by the sensors, of major concern for local governments with regard to data liability. Along with accuracy in monitoring, security and privacy protection are important issues that impact the widespread deployment of Sensor Networks for Smart Cities.

“Reliability and security should never be an afterthought: they are the chief requirements that we build into Smart Cities sensor network deployments right from the beginning," said David Gascon, CTO of Libelium. “On our Waspmote platform we have designed robust security measures tailored to sensor networks, based on our understanding of the sensitive information collected.”

The Encryption Libraries are distributed with the Waspmote integrated development environment (IDE) under an open source license, and are ready to install with the main program. To ensure maximum security and protect information gathered by the Waspmote sensor platform, Libelium uses three cryptography layers: access control; point-to-point authentication; and public key encryption.

Access Control
In this process, all network nodes share a common key that encrypts information via AES-128, using Waspmote’s integrated 802.15.4/ZigBee radio to allow efficient energy consumption. This layer ensures that no third-party devices may connect to the network.

Point-to-point
For this security layer, each Waspmote sensor node uses a point-to-point AES 256 encryption scheme to confidentially interchange communication with Meshlium, the sensor gateway. For key renewal encryption, RSA 1024 is used to ensure authentication and integrity as none of the intermediary nodes that forward information may see the sensor data transmitted.

Public Key
The third security technique is performed in Meshlium—the sensor gateway device that transmits information to the Cloud—by allowing each node to encrypt data using the Cloud server’s public key. This system ensures that information is kept confidential all the way from the sensor to the Web server on the Internet.

The Waspmote Encryption Libraries also allow developers to encrypt the information before storing it in the internal memory of the node itself, ensuring a complete security system in case the sensor device is ever stolen.

For more information about Waspmote: http://www.libelium.com/waspmote
For specific information about the Encryption Libraries: http://www.libelium.com/products/waspmote/encryption

About Libelium
Libelium (established in 2006) designs and manufactures hardware for the implementation of wireless sensor networks so that system integrators, engineering and consultancy companies can deliver reliable Smart Cities solutions with minimum time to market. All Libelium’s products are modular, easy to deploy and include extensive documentation and support through a global community of developers. Libelium’s customers range from startups to large international corporations implementing Smart Cities projects in North America, Asia and Europe. Libelium is privately held and has headquarters in Zaragoza, Spain. http://www.libelium.com


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  • Judy Curtis
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