WEST LAFAYETTE, Ind. -- A hacker can reproduce a circuit on a chip by discovering what key transistors are doing in a circuit - but not if the transistor "type" is undetectable. Purdue University ...

WEST LAFAYETTE, Ind. — A hacker can reproduce a circuit on a chip by discovering what key transistors are doing in a circuit – but not if the transistor “type” is undetectable. Purdue University ...