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Thomas Kallstenius is responsible for imec’s research & innovation program related to security and privacy, called “Distributed Trust”. He is also leading the smart applications business unit’s technology office. Prior to joining imec, he was vice president research at iMinds, the Flemish independent ICT research institute that merged with imec end of 2016.

Thomas has more than 15 years of experience with industrial research, strategy and strategic marketing.  He worked as a director at Bell Labs with video communication related topics, and prior to this, he was strategic marketing director in charge of Alcatel-Lucent’s fixed access portfolio. He has also worked with broadband access related projects within Ericsson Research and reliability of III-V components at Ericsson Microelectronics.

Thomas holds a Masters Degree in Engineering Physics from the Royal Institute of Technology (Stockholm, Sweden), a PhD in semiconductor materials science from Uppsala University (Sweden) and an MBA from Vlerick Management School in Belgium. He has served in the board of director of the FTTH Council Europe and is currently the vice-chair of the European Commission’s Alliance of Internet of Things Innovation’s workgroup on wearables. 


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Presentation abstract


Attacks on IoT devices will become more and more common, bringing security and privacy risk to consumers. Moreover, insecure IoT devices will become a threat to the rest of the Internet, as illustrated by the Mirai botnet in the Fall of 2016.  To mitigate this, there is an increasing need for integrated and compact cryptographic hardware libraries that support the painless deployment of security and privacy in an IoT context.
A physically unclonable function (PUF) is an essential building block for hardware security, which is typically used for secret key generation and storage. In this presentation, we will discuss a novel PUF utilizing the intrinsic randomness of oxide breakdown (BD) position in MOSFET devices as entropy source (BD-PUF). Measurements of arrays fabricated in a commercial 40nm technology show that our proposed PUF exhibits not only the randomness and uniqueness required for PUF, but is also stable and reliable at elevated temperature.
Imec’s R&D of PUFs fits in a larger effort to design lightweight security and privacy for the billions of sensors, control processors and communication nodes of the worldwide IoT. Our researchers are also looking into hardware-based true random number generators, very low-power public-key cryptography, efficient symmetric encryption, and light-weight trusted computing.


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