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→Measuring power consumption =
The device contains an internal regulator regulating the input voltage down to 1v2. This can however be bypassed by supplying a slightly higher voltage to the target board's 1v2 pin.
== Measuring power consumption ===The target board contains headers which lets the hacker select where to measure. It is possible to select to measure power on the 3v3 input and the 1v2 input/decoupling. VCAP1 and VCAP2 should be shorted, an only one shunt resistor should be used. It seems that the VCAP pins are from the same power domain, namely the digital core logic domain.
== Hardware cryptography ==
