State Machine Skip Fault Attacks on Elliptic Curve Scalar Multiplication
Yingjian Yan · Journal of Information Engineering University · 2011
A novel fault attack is proposed based on finite state machine skip faults model in control logic of circuits.Using this attack,this paper describes and gives one attack algorithm of the NAF-based scalar multiplication algorithm with point check.Compared with Sign Change Attack,the proposed attack produces fault points which do not leave the curve,and decreases the calculate complexity by pre-computing some points.Finally discussed is the implementation of the proposed attack and its countermeasures.