Title: An Implementation of a High Assurance Smart Meter using Protected Module Architectures
Authors: Mühlberg, Tobias
Cleemput, Sara
Mustafa, Mustafa
Van Bulck, Jo
Preneel, Bart
Piessens, Frank
Issue Date: 27-Sep-2016
Publisher: Springer
Series Title: LNCS
Conference: WISTP edition:10 location:Heraklion, Greece date:26-27 September 2016
Abstract: Due to ongoing changes in the power grid towards decentralised and
highly volatile energy production, smart electricity meters are required to provide
fine-grained measurement
and timely remote access to consumption and
production data. This enables flexible tariffing and dynamic load
optimisation. As the power grid forms part of the critical infrastructure
of our society, increasing the resilience of the grid's software components
against failures and attacks is vitally important.

In this paper we explore the use of Protected Module Architectures (PMAs)
to securely implement and deploy software for smart electricity meters.
Outlining security challenges and an architectural solution in the light of
security features provided by PMAs, we evaluate a proof-of-concept
implementation of a security-focused smart metering scenario. Our
implementation is based on Sancus, an embedded PMA for low-power
microcontrollers. The evaluation of our prototype provides strong
indication for the feasibility of implementing a PMA-based high assurance
smart meter with a very small software Trusted Computing Base, which would
be suitable for security certification and formal verification.
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:ESAT - COSIC, Computer Security and Industrial Cryptography (+)
Informatics Section

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