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A massive threat to the modern and complex IC production chain is the use of untrusted off-shore foundries which are able to infringe valuable hardware design IP or to inject hardware Trojans causing severe loss of safety and security. Similarly, market dominating SRAM-based FPGAs are vulnerable to both attacks since the crucial gate-level netlist can be retrieved even in field for the majority of...
The threat of hardware reverse engineering is a growing concern for a large number of applications. A main defense strategy against reverse engineering is hardware obfuscation. In this paper, we investigate physical obfuscation techniques, which perform alterations of circuit elements that are difficult or impossible for an adversary to observe. The examples of such stealthy manipulations are changes...
This paper presents a new method for protecting netlist-based Intellectual Property (IP) cores in FPGAs by actively using voltage-controlled side-channel receivers. The receivers are realized by modulating the supply voltage of the chip, while at the same time detecting these changes from within the chip using a ring oscillator. The levels of the supply voltage can be determined by constantly monitoring...
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