s_mp_mul
mp_err s_mp_mul(mp_int *a, const mp_int *b); /* magnitude multiply */
#define s_mp_sqr(a) s_mp_mul(a, a)
if((res = s_mp_mul(&s, &x)) != MP_OKAY)
if((res = s_mp_mul(&s, &x)) != MP_OKAY)
if((res = s_mp_mul(&s, &x)) != MP_OKAY)
if((res = s_mp_mul(&s, &x)) != MP_OKAY)
if((res = s_mp_mul(&s, &x)) != MP_OKAY ||
s_mp_mul(&q, mu); /* q2 = q1 * mu */
s_mp_mul(&q, m);
if((res = s_mp_mul(&s, &x)) != MP_OKAY)