67 	p->z = mpi_new(0);  in mpi_point_init()
76 	mpi_free(p->z); p->z = NULL;  in mpi_point_free_parts()
85 	mpi_set(d->z, s->z);  in point_set()
94 	mpi_resize(p->z, nlimbs);  in point_resize()
95 	p->z->nlimbs = nlimbs;  in point_resize()
109 	mpi_swap_cond(d->z, s->z, swap);  in point_swap_cond()
683 	if (!mpi_cmp_ui(point->z, 0))  in mpi_ec_get_affine()
693 			ec_invm(z1, point->z, ctx);  /* z1 = z^(-1) mod p  */  in mpi_ec_get_affine()
726 			MPI z;  in mpi_ec_get_affine()  local
728 			z = mpi_new(0);  in mpi_ec_get_affine()
729 			ec_invm(z, point->z, ctx);  in mpi_ec_get_affine()
731 			mpi_resize(z, ctx->p->nlimbs);  in mpi_ec_get_affine()
732 			z->nlimbs = ctx->p->nlimbs;  in mpi_ec_get_affine()
737 				ctx->mulm(x, point->x, z, ctx);  in mpi_ec_get_affine()
742 				ctx->mulm(y, point->y, z, ctx);  in mpi_ec_get_affine()
745 			mpi_free(z);  in mpi_ec_get_affine()
761 #define z3 (result->z)  in dup_point_weierstrass()
769 	if (!mpi_cmp_ui(point->y, 0) || !mpi_cmp_ui(point->z, 0)) {  in dup_point_weierstrass()
780 			ec_pow2(t1, point->z, ctx);  in dup_point_weierstrass()
791 			ec_powm(t1, point->z, mpi_const(MPI_C_FOUR), ctx);  in dup_point_weierstrass()
796 		ec_mulm(z3, point->y, point->z, ctx);  in dup_point_weierstrass()
850 #define Z1 (point->z)  in dup_point_edwards()
853 #define Z3 (result->z)  in dup_point_edwards()
940 #define z1 (p1->z)  in add_points_weierstrass()
943 #define z2 (p2->z)  in add_points_weierstrass()
946 #define z3 (result->z)  in add_points_weierstrass()
966 		mpi_set(z3, p2->z);  in add_points_weierstrass()
971 		mpi_set(z3, p1->z);  in add_points_weierstrass()
1078 #define Z1 (p1->z)  in add_points_edwards()
1081 #define Z2 (p2->z)  in add_points_edwards()
1084 #define Z3 (result->z)  in add_points_edwards()
1170 	ctx->addm(sum->x, p2->x, p2->z, ctx);  in montgomery_ladder()
1171 	ctx->subm(p2->z, p2->x, p2->z, ctx);  in montgomery_ladder()
1172 	ctx->addm(prd->x, p1->x, p1->z, ctx);  in montgomery_ladder()
1173 	ctx->subm(p1->z, p1->x, p1->z, ctx);  in montgomery_ladder()
1174 	ctx->mulm(p2->x, p1->z, sum->x, ctx);  in montgomery_ladder()
1175 	ctx->mulm(p2->z, prd->x, p2->z, ctx);  in montgomery_ladder()
1177 	ctx->pow2(p1->z, p1->z, ctx);  in montgomery_ladder()
1178 	ctx->addm(sum->x, p2->x, p2->z, ctx);  in montgomery_ladder()
1179 	ctx->subm(p2->z, p2->x, p2->z, ctx);  in montgomery_ladder()
1180 	ctx->mulm(prd->x, p1->x, p1->z, ctx);  in montgomery_ladder()
1181 	ctx->subm(p1->z, p1->x, p1->z, ctx);  in montgomery_ladder()
1183 	ctx->pow2(sum->z, p2->z, ctx);  in montgomery_ladder()
1184 	ctx->mulm(prd->z, p1->z, ctx->a, ctx); /* CTX->A: (a-2)/4 */  in montgomery_ladder()
1185 	ctx->mulm(sum->z, sum->z, dif_x, ctx);  in montgomery_ladder()
1186 	ctx->addm(prd->z, p1->x, prd->z, ctx);  in montgomery_ladder()
1187 	ctx->mulm(prd->z, prd->z, p1->z, ctx);  in montgomery_ladder()
1239 		mpi_set_ui(result->z, 1);  in mpi_ec_mul_point()
1273 		mpi_set_ui(p2.z, 1);  in mpi_ec_mul_point()
1303 		rsize = p1.z->nlimbs;  in mpi_ec_mul_point()
1304 		MPN_NORMALIZE(p1.z->d, rsize);  in mpi_ec_mul_point()
1307 			mpi_set_ui(result->z, 0);  in mpi_ec_mul_point()
1310 			ec_invm(z1, p1.z, ctx);  in mpi_ec_mul_point()
1312 			mpi_set_ui(result->z, 1);  in mpi_ec_mul_point()
1336 	if (!mpi_cmp_ui(point->z, 1)) {  in mpi_ec_mul_point()
1344 		ec_mulm(z2, point->z, point->z, ctx);  in mpi_ec_mul_point()
1345 		ec_mulm(z3, point->z, z2, ctx);  in mpi_ec_mul_point()
1365 		mpi_clear(result->z);  in mpi_ec_mul_point()
1369 		mpi_set(result->z, point->z);  in mpi_ec_mul_point()
1375 	p1.z = z1; z1 = NULL;  in mpi_ec_mul_point()
1420 	if (mpi_cmpabs(point->z, ctx->p) >= 0)  in mpi_ec_curve_point()