60  * projective coordinates R(rx, ry, rz). Assumes input is already
64 ec_GFp_pt_aff2jac(const mp_int *px, const mp_int *py, mp_int *rx,  in ec_GFp_pt_aff2jac()  argument
70 		MP_CHECKOK(ec_GFp_pt_set_inf_jac(rx, ry, rz));  in ec_GFp_pt_aff2jac()
72 		MP_CHECKOK(mp_copy(px, rx));  in ec_GFp_pt_aff2jac()
84  * affine coordinates R(rx, ry).  P and R can share x and y coordinates.
89 				  mp_int *rx, mp_int *ry, const ECGroup *group)  in ec_GFp_pt_jac2aff()  argument
103 		MP_CHECKOK(ec_GFp_pt_set_inf_aff(rx, ry));  in ec_GFp_pt_jac2aff()
109 		MP_CHECKOK(mp_copy(px, rx));  in ec_GFp_pt_jac2aff()
115 		MP_CHECKOK(group->meth->field_mul(px, &z2, rx, group->meth));  in ec_GFp_pt_jac2aff()
143 /* Computes R = P + Q where R is (rx, ry, rz), P is (px, py, pz) and Q is
152 					  const mp_int *qx, const mp_int *qy, mp_int *rx,  in ec_GFp_pt_add_jac_aff()  argument
174 		MP_CHECKOK(ec_GFp_pt_aff2jac(qx, qy, rx, ry, rz, group));  in ec_GFp_pt_add_jac_aff()
178 		MP_CHECKOK(mp_copy(px, rx));  in ec_GFp_pt_add_jac_aff()
206 	/* rx = D^2 - (C^3 + 2 * (px * C^2)) */  in ec_GFp_pt_add_jac_aff()
207 	MP_CHECKOK(group->meth->field_add(&C, &C, rx, group->meth));  in ec_GFp_pt_add_jac_aff()
208 	MP_CHECKOK(group->meth->field_add(&C3, rx, rx, group->meth));  in ec_GFp_pt_add_jac_aff()
209 	MP_CHECKOK(group->meth->field_sub(&A, rx, rx, group->meth));  in ec_GFp_pt_add_jac_aff()
214 	/* ry = D * (px * C^2 - rx) - py * C^3 */  in ec_GFp_pt_add_jac_aff()
215 	MP_CHECKOK(group->meth->field_sub(&C, rx, ry, group->meth));  in ec_GFp_pt_add_jac_aff()
241 				  mp_int *rx, mp_int *ry, mp_int *rz, const ECGroup *group)  in ec_GFp_pt_dbl_jac()  argument
256 		MP_CHECKOK(ec_GFp_pt_set_inf_jac(rx, ry, rz));  in ec_GFp_pt_dbl_jac()
301 	/* rx = M^2 - 2 * S */  in ec_GFp_pt_dbl_jac()
303 	MP_CHECKOK(group->meth->field_sqr(&M, rx, group->meth));  in ec_GFp_pt_dbl_jac()
304 	MP_CHECKOK(group->meth->field_sub(rx, &t1, rx, group->meth));  in ec_GFp_pt_dbl_jac()
306 	/* ry = M * (S - rx) - 8 * py^4 */  in ec_GFp_pt_dbl_jac()
312 	MP_CHECKOK(group->meth->field_sub(&S, rx, &S, group->meth));  in ec_GFp_pt_dbl_jac()
326 /* Computes R = nP where R is (rx, ry) and P is (px, py). The parameters
334 				  mp_int *rx, mp_int *ry, const ECGroup *group)  in ec_GFp_pt_mul_jac()  argument
371 	MP_CHECKOK(ec_GFp_pt_set_inf_jac(rx, ry, &rz));  in ec_GFp_pt_mul_jac()
383 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pt_mul_jac()
384 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pt_mul_jac()
385 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pt_mul_jac()
386 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pt_mul_jac()
389 				   (rx, ry, &rz, &precomp[ni][0], &precomp[ni][1], rx, ry,  in ec_GFp_pt_mul_jac()
394 	MP_CHECKOK(ec_GFp_pt_jac2aff(rx, ry, &rz, rx, ry, group));  in ec_GFp_pt_mul_jac()
415 				   const mp_int *py, mp_int *rx, mp_int *ry,  in ec_GFp_pts_mul_jac()  argument
440 		return ECPoint_mul(group, k2, px, py, rx, ry);  in ec_GFp_pts_mul_jac()
442 		return ECPoint_mul(group, k1, NULL, NULL, rx, ry);  in ec_GFp_pts_mul_jac()
527 	MP_CHECKOK(ec_GFp_pt_set_inf_jac(rx, ry, &rz));  in ec_GFp_pts_mul_jac()
537 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pts_mul_jac()
538 		MP_CHECKOK(ec_GFp_pt_dbl_jac(rx, ry, &rz, rx, ry, &rz, group));  in ec_GFp_pts_mul_jac()
541 				   (rx, ry, &rz, &precomp[ai][bi][0], &precomp[ai][bi][1],  in ec_GFp_pts_mul_jac()
542 					rx, ry, &rz, group));  in ec_GFp_pts_mul_jac()
545 	MP_CHECKOK(ec_GFp_pt_jac2aff(rx, ry, &rz, rx, ry, group));  in ec_GFp_pts_mul_jac()
548 		MP_CHECKOK(group->meth->field_dec(rx, rx, group->meth));  in ec_GFp_pts_mul_jac()