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The Wave Dynamic Differential Logic (WDDL) is considered as a relevant hardware countermeasure to increase the robustness of cryptographic devices against Differential Power Attacks (DPA). However, to guarantee its effectiveness, the routing in both the direct and complementary paths must be balanced, to obtain equal propagation delays and power consumption on differential signals.
The Wave Dynamic Differential Logic (WDDL) offers an affective way to address Differential Power Attack (DPA). However, the effectiveness of this countermeasure is guaranteed provided the routing of both the real and complementary paths is balanced, to obtain equal propagation delays and power consumption on differential signals. This paper addresses the problem of timing unbalance. First, we propose...
Field programmable gate arrays (FPGAs) allow the same silicon implementation to be programmed or reprogrammed for a variety of applications. It provides low NRE (non-recurring engineering) cost and short time to market. As CMOS technology continue to scale down to nanometer, increased power consumption and worsened process variation become crucial constraints for FPGAs. The survey reviews the process...
The Wave Dynamic Differential Logic (WDDL) is a promising countermeasure to protect cryptographic devices from Differential Power Attacks (DPA). But the key challenge is to maintain symmetry between dual networks, so as to obtain equal propagation delays and power consumption on differential signals. In this paper, we deal with the problem of timing unbalance. We study the impact of different placement...
Several regular parallel trees have been proposed over the years to optimize logic depth, area, fan-out and interconnect count for logic circuits. In this paper, we propose a comparative study of different parallel prefix trees used in the design of a new end-around carry (EAC) adder targeting FPGA technology. This new adder is based on the fast 128-bit binary floating-point EAC adder which has been...
A hybrid FPGA consists of island-style fine-grained units and domain-specific coarse-grained units. This paper describes an approach to estimate the power consumption of a set of hybrid FPGA architectures. The dynamic power consumption of the fine-grained units is obtained using standard FPGA tools, and the coarse-grained units using standard ASIC tools. Based on this approach, the dynamic power consumption...
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