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1. RECONFIGURATION-BASED VLSI DESIGN FOR SECURITY
ABSTRACT:
Reconfigurable computing is a critical technology for achieving nanoelectronic
systems of yield and reliability. In this paper, we present that reconfigurable computing is further
a critical technology for achieving hardware security in the presence of supply chain adversaries.
Specifically, reconfigurable implementation of a given logic function achieves design
obfuscation, while reconfiguration for difference logic functions further achieves moving target
defense. We further present reconfigurable reversible computing-based cryptography, and a
generic reconfiguration-based VLSI design-for-security methodology. In our case studies based
on a SPARC V8 LEON2 processor, we prevent software- or hardware-based code injection
attacks at cost of 0.72% area increase, negligible power consumption increase and no
performance degradation; we further prevent a hardware Trojan from gaining unauthorized
memory access at cost of 4.42% area increase, negligible power consumption increase, and
11.30% critical path delay increase..
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