1010 static void apply_z(u64 *x1, u64 *y1, u64 *z, u64 *curve_prime,  in apply_z()  argument
1015 	vli_mod_square_fast(t1, z, curve_prime, ndigits);    /* z^2 */  in apply_z()
1017 	vli_mod_mult_fast(t1, t1, z, curve_prime, ndigits);  /* z^3 */  in apply_z()
1026 	u64 z[ECC_MAX_DIGITS];  in xycz_initial_double()  local
1031 	vli_clear(z, ndigits);  in xycz_initial_double()
1032 	z[0] = 1;  in xycz_initial_double()
1035 		vli_set(z, p_initial_z, ndigits);  in xycz_initial_double()
1037 	apply_z(x1, y1, z, curve_prime, ndigits);  in xycz_initial_double()
1039 	ecc_point_double_jacobian(x1, y1, z, curve_prime, ndigits);  in xycz_initial_double()
1041 	apply_z(x2, y2, z, curve_prime, ndigits);  in xycz_initial_double()
1150 	u64 z[ECC_MAX_DIGITS];  in ecc_point_mult()  local
1182 	vli_mod_sub(z, rx[1], rx[0], curve_prime, ndigits);  in ecc_point_mult()
1184 	vli_mod_mult_fast(z, z, ry[1 - nb], curve_prime, ndigits);  in ecc_point_mult()
1186 	vli_mod_mult_fast(z, z, point->x, curve_prime, ndigits);  in ecc_point_mult()
1189 	vli_mod_inv(z, z, curve_prime, point->ndigits);  in ecc_point_mult()
1192 	vli_mod_mult_fast(z, z, point->y, curve_prime, ndigits);  in ecc_point_mult()
1194 	vli_mod_mult_fast(z, z, rx[1 - nb], curve_prime, ndigits);  in ecc_point_mult()
1199 	apply_z(rx[0], ry[0], z, curve_prime, ndigits);  in ecc_point_mult()
1210 	u64 z[ECC_MAX_DIGITS];  in ecc_point_add()  local
1217 	vli_mod_sub(z, result->x, p->x, curve->p, ndigits);  in ecc_point_add()
1221 	vli_mod_inv(z, z, curve->p, ndigits);  in ecc_point_add()
1222 	apply_z(result->x, result->y, z, curve->p, ndigits);  in ecc_point_add()
1233 	u64 z[ECC_MAX_DIGITS];  in ecc_point_mult_shamir()  local
1259 	vli_clear(z + 1, ndigits - 1);  in ecc_point_mult_shamir()
1260 	z[0] = 1;  in ecc_point_mult_shamir()
1263 		ecc_point_double_jacobian(rx, ry, z, curve->p, ndigits);  in ecc_point_mult_shamir()
1273 			apply_z(tx, ty, z, curve->p, ndigits);  in ecc_point_mult_shamir()
1276 			vli_mod_mult_fast(z, z, tz, curve->p, ndigits);  in ecc_point_mult_shamir()
1279 	vli_mod_inv(z, z, curve->p, ndigits);  in ecc_point_mult_shamir()
1280 	apply_z(rx, ry, z, curve->p, ndigits);  in ecc_point_mult_shamir()