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Active Shield


The Active Shield is a fully integrated digital IP protecting System-on-Chip (SoC) against tampering through a metal mesh sensor.


▪ fully integrated countermeasure against cut and strap attacks;
▪ dynamic detection of tampering attempts;
▪ shield characteristics adjustable through a graphical user interface:
− security level;
− mesh number and density;
− gate number;
− power consumption;
− via distribution;
− routing congestion.
▪ easy integration in typical design flows through RTL files and back-end scripts;
▪ fully compatible with both Cadence SoC Encounter and Synopsys IC Compiler;
▪ silicon proven in 110 nm, 90 nm, 65 nm and 55 nm CMOS processes;
▪ typical power consumption: 5 µW to protect a 2 mm² area in a 65 nm CMOS process;
▪ typical silicon area overhead lower than 3%;
▪ straightforward integration through AMBA APB bus (customized on request).


▪ VHDL source codes;
▪ VHDL testbenches;
▪ Synopsys synthesis scripts;
▪ back-end software tool;
▪ design specification;
▪ integration manual.

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