76 static size_t ec_GFp_simple_point2oct(const EC_GROUP *group,  in ec_GFp_simple_point2oct()  argument
92   if (EC_POINT_is_at_infinity(group, point)) {  in ec_GFp_simple_point2oct()
106   field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_point2oct()
132     if (!EC_POINT_get_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_point2oct()
179 static int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,  in ec_GFp_simple_oct2point()  argument
212     return EC_POINT_set_to_infinity(group, point);  in ec_GFp_simple_oct2point()
215   field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_oct2point()
241   if (BN_ucmp(x, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
247     if (!EC_POINT_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx)) {  in ec_GFp_simple_oct2point()
254     if (BN_ucmp(y, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
259     if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_oct2point()
265   if (!EC_POINT_is_on_curve(group, point, ctx)) {  in ec_GFp_simple_oct2point()
278 int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,  in EC_POINT_oct2point()  argument
280   if (group->meth->oct2point == 0 &&  in EC_POINT_oct2point()
281       !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {  in EC_POINT_oct2point()
286   if (group->meth != point->meth) {  in EC_POINT_oct2point()
290   if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {  in EC_POINT_oct2point()
291     return ec_GFp_simple_oct2point(group, point, buf, len, ctx);  in EC_POINT_oct2point()
294   return group->meth->oct2point(group, point, buf, len, ctx);  in EC_POINT_oct2point()
297 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,  in EC_POINT_point2oct()  argument
300   if (group->meth->point2oct == 0 &&  in EC_POINT_point2oct()
301       !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {  in EC_POINT_point2oct()
306   if (group->meth != point->meth) {  in EC_POINT_point2oct()
310   if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {  in EC_POINT_point2oct()
311     return ec_GFp_simple_point2oct(group, point, form, buf, len, ctx);  in EC_POINT_point2oct()
314   return group->meth->point2oct(group, point, form, buf, len, ctx);  in EC_POINT_point2oct()
317 int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,  in ec_GFp_simple_set_compressed_coordinates()  argument
349   if (!BN_nnmod(x, x_, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
353   if (group->meth->field_decode == 0) {  in ec_GFp_simple_set_compressed_coordinates()
355     if (!group->meth->field_sqr(group, tmp2, x_, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
356         !group->meth->field_mul(group, tmp1, tmp2, x_, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
360     if (!BN_mod_sqr(tmp2, x_, &group->field, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
361         !BN_mod_mul(tmp1, tmp2, x_, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
367   if (group->a_is_minus3) {  in ec_GFp_simple_set_compressed_coordinates()
368     if (!BN_mod_lshift1_quick(tmp2, x, &group->field) ||  in ec_GFp_simple_set_compressed_coordinates()
369         !BN_mod_add_quick(tmp2, tmp2, x, &group->field) ||  in ec_GFp_simple_set_compressed_coordinates()
370         !BN_mod_sub_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
374     if (group->meth->field_decode) {  in ec_GFp_simple_set_compressed_coordinates()
375       if (!group->meth->field_decode(group, tmp2, &group->a, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
376           !BN_mod_mul(tmp2, tmp2, x, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
381       if (!group->meth->field_mul(group, tmp2, &group->a, x, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
386     if (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
392   if (group->meth->field_decode) {  in ec_GFp_simple_set_compressed_coordinates()
393     if (!group->meth->field_decode(group, tmp2, &group->b, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
394         !BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
398     if (!BN_mod_add_quick(tmp1, tmp1, &group->b, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
403   if (!BN_mod_sqrt(y, tmp1, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
420       kron = BN_kronecker(x, &group->field, ctx);  in ec_GFp_simple_set_compressed_coordinates()
435     if (!BN_usub(y, &group->field, y)) {  in ec_GFp_simple_set_compressed_coordinates()
445   if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
457 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,  in EC_POINT_set_compressed_coordinates_GFp()  argument
460   if (group->meth->point_set_compressed_coordinates == 0 &&  in EC_POINT_set_compressed_coordinates_GFp()
461       !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {  in EC_POINT_set_compressed_coordinates_GFp()
466   if (group->meth != point->meth) {  in EC_POINT_set_compressed_coordinates_GFp()
471   if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {  in EC_POINT_set_compressed_coordinates_GFp()
472     return ec_GFp_simple_set_compressed_coordinates(group, point, x, y_bit,  in EC_POINT_set_compressed_coordinates_GFp()
475   return group->meth->point_set_compressed_coordinates(group, point, x, y_bit,  in EC_POINT_set_compressed_coordinates_GFp()