Core engineering and protocols for Dual-Rail Power Invariance.
In standard static CMOS logic, dynamic power is consumed only when a signal transitions from 0 to 1, charging the line capacitance. A transition from 0 to 0 or 1 to 1 consumes negligible dynamic power. This fundamental physical asymmetry is precisely what Differential Power Analysis exploits to deduce secret data.
EmbeddedShield implements Dual-Rail Pre-Charge Logic: every logical bit is routed on two differential conductors. In every cycle, exactly one line transitions, ensuring that the total dynamic charge drawn from the power supply is completely constant regardless of whether data bits are zeros or ones, neutralizing power analysis attacks at the physical silicon boundary.