Lines Matching full:group
304 static void ec_group_set0_generator(EC_GROUP *group, EC_POINT *generator) { in ec_group_set0_generator() argument
305 assert(group->generator == NULL); in ec_group_set0_generator()
306 assert(group == generator->group); in ec_group_set0_generator()
308 // Avoid a reference cycle. |group->generator| does not maintain an owning in ec_group_set0_generator()
309 // pointer to |group|. in ec_group_set0_generator()
310 group->generator = generator; in ec_group_set0_generator()
311 int is_zero = CRYPTO_refcount_dec_and_test_zero(&group->references); in ec_group_set0_generator()
341 int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, in EC_GROUP_set_generator() argument
343 if (group->curve_name != NID_undef || group->generator != NULL || in EC_GROUP_set_generator()
344 generator->group != group) { in EC_GROUP_set_generator()
346 // |EC_GROUP_new_curve_GFp| and may only used once on each group. in EC_GROUP_set_generator()
349 // |generator->group->generator| is set correctly. in EC_GROUP_set_generator()
376 int ok = BN_cmp(tmp, &group->field) > 0; in EC_GROUP_set_generator()
383 EC_POINT *copy = EC_POINT_new(group); in EC_GROUP_set_generator()
386 !BN_copy(&group->order, order)) { in EC_GROUP_set_generator()
391 BN_MONT_CTX_free(group->order_mont); in EC_GROUP_set_generator()
392 group->order_mont = BN_MONT_CTX_new_for_modulus(&group->order, NULL); in EC_GROUP_set_generator()
393 if (group->order_mont == NULL) { in EC_GROUP_set_generator()
397 ec_group_set0_generator(group, copy); in EC_GROUP_set_generator()
402 EC_GROUP *group = NULL; in ec_group_new_from_data() local
423 group = ec_group_new(curve->method); in ec_group_new_from_data()
424 if (group == NULL || in ec_group_new_from_data()
425 !group->meth->group_set_curve(group, p, a, b, ctx)) { in ec_group_new_from_data()
430 if ((P = EC_POINT_new(group)) == NULL) { in ec_group_new_from_data()
441 if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx)) { in ec_group_new_from_data()
445 if (!BN_bin2bn(params + 5 * param_len, param_len, &group->order)) { in ec_group_new_from_data()
450 group->order_mont = BN_MONT_CTX_new_for_modulus(&group->order, ctx); in ec_group_new_from_data()
451 if (group->order_mont == NULL) { in ec_group_new_from_data()
456 ec_group_set0_generator(group, P); in ec_group_new_from_data()
462 EC_GROUP_free(group); in ec_group_new_from_data()
463 group = NULL; in ec_group_new_from_data()
472 return group; in ec_group_new_from_data()
530 void EC_GROUP_free(EC_GROUP *group) { in EC_GROUP_free() argument
531 if (group == NULL || in EC_GROUP_free()
533 group->curve_name != NID_undef || in EC_GROUP_free()
534 !CRYPTO_refcount_dec_and_test_zero(&group->references)) { in EC_GROUP_free()
538 if (group->meth->group_finish != NULL) { in EC_GROUP_free()
539 group->meth->group_finish(group); in EC_GROUP_free()
542 ec_point_free(group->generator, 0 /* don't free group */); in EC_GROUP_free()
543 BN_free(&group->order); in EC_GROUP_free()
544 BN_MONT_CTX_free(group->order_mont); in EC_GROUP_free()
546 OPENSSL_free(group); in EC_GROUP_free()
558 EC_GROUP *group = (EC_GROUP *)a; in EC_GROUP_dup() local
559 CRYPTO_refcount_inc(&group->references); in EC_GROUP_dup()
560 return group; in EC_GROUP_dup()
589 const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group) { in EC_GROUP_get0_generator() argument
590 return group->generator; in EC_GROUP_get0_generator()
593 const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group) { in EC_GROUP_get0_order() argument
594 assert(!BN_is_zero(&group->order)); in EC_GROUP_get0_order()
595 return &group->order; in EC_GROUP_get0_order()
598 int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx) { in EC_GROUP_get_order() argument
599 if (BN_copy(order, EC_GROUP_get0_order(group)) == NULL) { in EC_GROUP_get_order()
605 int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, in EC_GROUP_get_cofactor() argument
611 int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *out_p, BIGNUM *out_a, in EC_GROUP_get_curve_GFp() argument
613 return ec_GFp_simple_group_get_curve(group, out_p, out_a, out_b, ctx); in EC_GROUP_get_curve_GFp()
616 int EC_GROUP_get_curve_name(const EC_GROUP *group) { return group->curve_name; } in EC_GROUP_get_curve_name() argument
618 unsigned EC_GROUP_get_degree(const EC_GROUP *group) { in EC_GROUP_get_degree() argument
619 return ec_GFp_simple_group_get_degree(group); in EC_GROUP_get_degree()
622 EC_POINT *EC_POINT_new(const EC_GROUP *group) { in EC_POINT_new() argument
625 if (group == NULL) { in EC_POINT_new()
636 ret->group = EC_GROUP_dup(group); in EC_POINT_new()
637 if (ret->group == NULL || in EC_POINT_new()
652 EC_GROUP_free(point->group); in ec_point_free()
658 ec_point_free(point, 1 /* free group */); in EC_POINT_free()
664 if (EC_GROUP_cmp(dest->group, src->group, NULL) != 0) { in EC_POINT_copy()
674 EC_POINT *EC_POINT_dup(const EC_POINT *a, const EC_GROUP *group) { in EC_POINT_dup() argument
679 EC_POINT *ret = EC_POINT_new(group); in EC_POINT_dup()
689 int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point) { in EC_POINT_set_to_infinity() argument
690 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_set_to_infinity()
694 return ec_GFp_simple_point_set_to_infinity(group, point); in EC_POINT_set_to_infinity()
697 int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point) { in EC_POINT_is_at_infinity() argument
698 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_is_at_infinity()
702 return ec_GFp_simple_is_at_infinity(group, point); in EC_POINT_is_at_infinity()
705 int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, in EC_POINT_is_on_curve() argument
707 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_is_on_curve()
711 return ec_GFp_simple_is_on_curve(group, point, ctx); in EC_POINT_is_on_curve()
714 int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, in EC_POINT_cmp() argument
716 if (EC_GROUP_cmp(group, a->group, NULL) != 0 || in EC_POINT_cmp()
717 EC_GROUP_cmp(group, b->group, NULL) != 0) { in EC_POINT_cmp()
721 return ec_GFp_simple_cmp(group, a, b, ctx); in EC_POINT_cmp()
724 int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx) { in EC_POINT_make_affine() argument
725 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_make_affine()
729 return ec_GFp_simple_make_affine(group, point, ctx); in EC_POINT_make_affine()
732 int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[], in EC_POINTs_make_affine() argument
735 if (EC_GROUP_cmp(group, points[i]->group, NULL) != 0) { in EC_POINTs_make_affine()
740 return ec_GFp_simple_points_make_affine(group, num, points, ctx); in EC_POINTs_make_affine()
743 int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, in EC_POINT_get_affine_coordinates_GFp() argument
746 if (group->meth->point_get_affine_coordinates == 0) { in EC_POINT_get_affine_coordinates_GFp()
750 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_get_affine_coordinates_GFp()
754 return group->meth->point_get_affine_coordinates(group, point, x, y, ctx); in EC_POINT_get_affine_coordinates_GFp()
757 int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, in EC_POINT_set_affine_coordinates_GFp() argument
760 if (EC_GROUP_cmp(group, point->group, NULL) != 0) { in EC_POINT_set_affine_coordinates_GFp()
764 if (!ec_GFp_simple_point_set_affine_coordinates(group, point, x, y, ctx)) { in EC_POINT_set_affine_coordinates_GFp()
768 if (!EC_POINT_is_on_curve(group, point, ctx)) { in EC_POINT_set_affine_coordinates_GFp()
771 const EC_POINT *generator = EC_GROUP_get0_generator(group); in EC_POINT_set_affine_coordinates_GFp()
773 // constructing an arbitrary group. In this, we give up and hope they're in EC_POINT_set_affine_coordinates_GFp()
785 int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, in EC_POINT_add() argument
787 if (EC_GROUP_cmp(group, r->group, NULL) != 0 || in EC_POINT_add()
788 EC_GROUP_cmp(group, a->group, NULL) != 0 || in EC_POINT_add()
789 EC_GROUP_cmp(group, b->group, NULL) != 0) { in EC_POINT_add()
793 return ec_GFp_simple_add(group, r, a, b, ctx); in EC_POINT_add()
797 int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, in EC_POINT_dbl() argument
799 if (EC_GROUP_cmp(group, r->group, NULL) != 0 || in EC_POINT_dbl()
800 EC_GROUP_cmp(group, a->group, NULL) != 0) { in EC_POINT_dbl()
804 return ec_GFp_simple_dbl(group, r, a, ctx); in EC_POINT_dbl()
808 int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx) { in EC_POINT_invert() argument
809 if (EC_GROUP_cmp(group, a->group, NULL) != 0) { in EC_POINT_invert()
813 return ec_GFp_simple_invert(group, a, ctx); in EC_POINT_invert()
816 static int arbitrary_bignum_to_scalar(const EC_GROUP *group, EC_SCALAR *out, in arbitrary_bignum_to_scalar() argument
818 if (ec_bignum_to_scalar(group, out, in)) { in arbitrary_bignum_to_scalar()
826 const BIGNUM *order = &group->order; in arbitrary_bignum_to_scalar()
831 ec_bignum_to_scalar_unchecked(group, out, tmp); in arbitrary_bignum_to_scalar()
836 int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar, in EC_POINT_mul() argument
860 if (!arbitrary_bignum_to_scalar(group, &g_scalar_storage, g_scalar, ctx)) { in EC_POINT_mul()
867 if (!arbitrary_bignum_to_scalar(group, &p_scalar_storage, p_scalar, ctx)) { in EC_POINT_mul()
873 ret = ec_point_mul_scalar(group, r, g_scalar_arg, p, p_scalar_arg, ctx); in EC_POINT_mul()
882 int ec_point_mul_scalar_public(const EC_GROUP *group, EC_POINT *r, in ec_point_mul_scalar_public() argument
891 if (EC_GROUP_cmp(group, r->group, NULL) != 0 || in ec_point_mul_scalar_public()
892 (p != NULL && EC_GROUP_cmp(group, p->group, NULL) != 0)) { in ec_point_mul_scalar_public()
897 return group->meth->mul_public(group, r, g_scalar, p, p_scalar, ctx); in ec_point_mul_scalar_public()
900 int ec_point_mul_scalar(const EC_GROUP *group, EC_POINT *r, in ec_point_mul_scalar() argument
909 if (EC_GROUP_cmp(group, r->group, NULL) != 0 || in ec_point_mul_scalar()
910 (p != NULL && EC_GROUP_cmp(group, p->group, NULL) != 0)) { in ec_point_mul_scalar()
915 return group->meth->mul(group, r, g_scalar, p, p_scalar, ctx); in ec_point_mul_scalar()
918 void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag) {} in EC_GROUP_set_asn1_flag() argument
920 const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group) { in EC_GROUP_method_of() argument
928 void EC_GROUP_set_point_conversion_form(EC_GROUP *group, in EC_GROUP_set_point_conversion_form() argument
948 int ec_bignum_to_scalar(const EC_GROUP *group, EC_SCALAR *out, in ec_bignum_to_scalar() argument
950 if (!ec_bignum_to_scalar_unchecked(group, out, in)) { in ec_bignum_to_scalar()
953 if (!bn_less_than_words(out->words, group->order.d, group->order.top)) { in ec_bignum_to_scalar()
960 int ec_bignum_to_scalar_unchecked(const EC_GROUP *group, EC_SCALAR *out, in ec_bignum_to_scalar_unchecked() argument
962 if (!bn_copy_words(out->words, group->order.top, in)) { in ec_bignum_to_scalar_unchecked()
969 int ec_random_nonzero_scalar(const EC_GROUP *group, EC_SCALAR *out, in ec_random_nonzero_scalar() argument
971 return bn_rand_range_words(out->words, 1, group->order.d, group->order.top, in ec_random_nonzero_scalar()