sm2国密算法big x,y,x_3,tmp; epoint *nP; x=mirvar(0); y=mirvar(0); x_3=mirvar(0); tmp=mirvar(0); nP=epoint_init(); //test if the pubKey is the point at infinity if (point_at_infinity(pubKey))// if pubKey is point at infinity, return error; return ERR_INFINITY_POINT; //test if x
