108 	fp x2, y2, tmp1, tmp2;  in is_on_edwards_curve()  local
110 	x2.magic = y2.magic = tmp1.magic = tmp2.magic = WORD(0);  in is_on_edwards_curve()
127 	ret = fp_init(&tmp2, x->ctx); EG(ret, err);  in is_on_edwards_curve()
133 	ret = fp_mul(&tmp2, &x2, &(curve->a)); EG(ret, err);  in is_on_edwards_curve()
134 	ret = fp_add(&tmp2, &tmp2, &y2); EG(ret, err);  in is_on_edwards_curve()
136 	ret = fp_cmp(&tmp1, &tmp2, &cmp);  in is_on_edwards_curve()
146 	fp_uninit(&tmp2);  in is_on_edwards_curve()
312 	fp tmp1, tmp2, A, B;  in curve_edwards_to_montgomery()  local
314 	tmp1.magic = tmp2.magic = A.magic = B.magic = WORD(0);  in curve_edwards_to_montgomery()
321 	ret = fp_init(&tmp2, edwards_crv->a.ctx); EG(ret, err);  in curve_edwards_to_montgomery()
332 	ret = fp_sub(&tmp2, &(edwards_crv->a), &(edwards_crv->d)); EG(ret, err);  in curve_edwards_to_montgomery()
333 	ret = fp_mul(&tmp2, &tmp2, &tmp1); EG(ret, err);  in curve_edwards_to_montgomery()
334 	ret = fp_inv(&tmp2, &tmp2); EG(ret, err);  in curve_edwards_to_montgomery()
336 	ret = fp_mul(&tmp2, &tmp2, &B); EG(ret, err);  in curve_edwards_to_montgomery()
340 	ret = fp_mul(&A, &A, &tmp2); EG(ret, err);  in curve_edwards_to_montgomery()
341 	ret = fp_mul(&B, &B, &tmp2); EG(ret, err);  in curve_edwards_to_montgomery()
348 	fp_uninit(&tmp2);  in curve_edwards_to_montgomery()
398 	fp tmp, tmp2, a, d;  in curve_montgomery_to_edwards()  local
399 	tmp.magic = tmp2.magic = a.magic = d.magic = WORD(0);  in curve_montgomery_to_edwards()
406 	ret = fp_init(&tmp2, m_crv->A.ctx); EG(ret, err);  in curve_montgomery_to_edwards()
411 	ret = fp_mul(&tmp2, &(m_crv->B), alpha_edwards); EG(ret, err);  in curve_montgomery_to_edwards()
412 	ret = fp_mul(&tmp2, &tmp2, alpha_edwards); EG(ret, err);  in curve_montgomery_to_edwards()
413 	ret = fp_inv(&tmp2, &tmp2); EG(ret, err);  in curve_montgomery_to_edwards()
417 	ret = fp_mul(&a, &a, &tmp2); EG(ret, err);  in curve_montgomery_to_edwards()
421 	ret = fp_mul(&d, &d, &tmp2); EG(ret, err);  in curve_montgomery_to_edwards()
435 	fp_uninit(&tmp2);  in curve_montgomery_to_edwards()
529 	fp tmp, tmp2, x, y;  in aff_pt_edwards_to_montgomery()  local
535 	tmp.magic = tmp2.magic = x.magic = y.magic = WORD(0);  in aff_pt_edwards_to_montgomery()
548 	ret = fp_init(&tmp2, in_edwards->crv->a.ctx); EG(ret, err);  in aff_pt_edwards_to_montgomery()
562 	ret = fp_zero(&tmp2); EG(ret, err);  in aff_pt_edwards_to_montgomery()
563 	ret = fp_sub(&tmp2, &tmp2, &tmp); EG(ret, err);  in aff_pt_edwards_to_montgomery()
568 	ret = fp_copy(&tab_y[0], &tmp2); EG(ret, err);  in aff_pt_edwards_to_montgomery()
572 	ret = fp_cmp(&(in_edwards->y), &tmp2, &cmp); EG(ret, err);  in aff_pt_edwards_to_montgomery()
579 	ret = fp_copy(&tmp2, &tmp); EG(ret, err);  in aff_pt_edwards_to_montgomery()
584 	ret = fp_add(&tmp2, &tmp2, &y); EG(ret, err);  in aff_pt_edwards_to_montgomery()
586 	ret = fp_mul(&(out_montgomery->u), &tmp, &tmp2); EG(ret, err);  in aff_pt_edwards_to_montgomery()
600 	fp_uninit(&tmp2);  in aff_pt_edwards_to_montgomery()