76 static size_t ec_GFp_simple_point2oct(const EC_GROUP *group,  in ec_GFp_simple_point2oct()  argument
86   if (ec_GFp_simple_is_at_infinity(group, point)) {  in ec_GFp_simple_point2oct()
91   const size_t field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_point2oct()
108             group, buf + 1 /* x */,  in ec_GFp_simple_point2oct()
129 static int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,  in ec_GFp_simple_oct2point()  argument
150   const size_t field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_oct2point()
180   if (BN_ucmp(x, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
186     if (!EC_POINT_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx)) {  in ec_GFp_simple_oct2point()
193     if (BN_ucmp(y, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
198     if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_oct2point()
213 int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,  in EC_POINT_oct2point()  argument
215   if (EC_GROUP_cmp(group, point->group, NULL) != 0) {  in EC_POINT_oct2point()
219   return ec_GFp_simple_oct2point(group, point, buf, len, ctx);  in EC_POINT_oct2point()
222 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,  in EC_POINT_point2oct()  argument
225   if (EC_GROUP_cmp(group, point->group, NULL) != 0) {  in EC_POINT_point2oct()
229   return ec_GFp_simple_point2oct(group, &point->raw, form, buf, len);  in EC_POINT_point2oct()
232 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,  in EC_POINT_set_compressed_coordinates_GFp()  argument
235   if (EC_GROUP_cmp(group, point->group, NULL) != 0) {  in EC_POINT_set_compressed_coordinates_GFp()
240   if (BN_is_negative(x) || BN_cmp(x, &group->field) >= 0) {  in EC_POINT_set_compressed_coordinates_GFp()
266       !EC_GROUP_get_curve_GFp(group, NULL, a, b, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
275   if (!BN_mod_sqr(tmp2, x, &group->field, ctx) ||  in EC_POINT_set_compressed_coordinates_GFp()
276       !BN_mod_mul(tmp1, tmp2, x, &group->field, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
281   if (group->a_is_minus3) {  in EC_POINT_set_compressed_coordinates_GFp()
282     if (!bn_mod_lshift1_consttime(tmp2, x, &group->field, ctx) ||  in EC_POINT_set_compressed_coordinates_GFp()
283         !bn_mod_add_consttime(tmp2, tmp2, x, &group->field, ctx) ||  in EC_POINT_set_compressed_coordinates_GFp()
284         !bn_mod_sub_consttime(tmp1, tmp1, tmp2, &group->field, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
288     if (!BN_mod_mul(tmp2, a, x, &group->field, ctx) ||  in EC_POINT_set_compressed_coordinates_GFp()
289         !bn_mod_add_consttime(tmp1, tmp1, tmp2, &group->field, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
295   if (!bn_mod_add_consttime(tmp1, tmp1, b, &group->field, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
299   if (!BN_mod_sqrt(y, tmp1, &group->field, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()
317     if (!BN_usub(y, &group->field, y)) {  in EC_POINT_set_compressed_coordinates_GFp()
326   if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in EC_POINT_set_compressed_coordinates_GFp()