INTEGRATED CIRCUIT AND METHOD FOR DEFENDING AGAINST POWER ATTACK

摘要

Provided are an integrated circuit and a method for defending against a power attack. The integrated circuit comprises: a power source, a power source management module (2), an algorithm module (3), a storage unit (4), control logic (5) and an attack defense module (6). The attack defense module (6) has a true random number generator (9) and a scrambling algorithm module (10). A CMOS integrated circuit is used in the scrambling algorithm module (10). The method utilizes the scrambling algorithm module (10) to process N random signals Xctrl[N:l], so as to generate N control signals Yctrl[N:l]. The integrated circuit and method enables a random consumption circuit to have a high degree of randomness, thereby desirably covering the power curve, and enhancing the security and reliability of information communication of the entire chip.