77 static size_t ec_GFp_simple_point2oct(const EC_GROUP *group,  in ec_GFp_simple_point2oct()  argument
93   if (EC_POINT_is_at_infinity(group, point)) {  in ec_GFp_simple_point2oct()
99   field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_point2oct()
125     if (!EC_POINT_get_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_point2oct()
172 static int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,  in ec_GFp_simple_oct2point()  argument
196   field_len = BN_num_bytes(&group->field);  in ec_GFp_simple_oct2point()
222   if (BN_ucmp(x, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
228     if (!EC_POINT_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx)) {  in ec_GFp_simple_oct2point()
235     if (BN_ucmp(y, &group->field) >= 0) {  in ec_GFp_simple_oct2point()
240     if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_oct2point()
253 int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,  in EC_POINT_oct2point()  argument
255   if (group->meth != point->meth) {  in EC_POINT_oct2point()
259   return ec_GFp_simple_oct2point(group, point, buf, len, ctx);  in EC_POINT_oct2point()
262 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,  in EC_POINT_point2oct()  argument
265   if (group->meth != point->meth) {  in EC_POINT_point2oct()
269   return ec_GFp_simple_point2oct(group, point, form, buf, len, ctx);  in EC_POINT_point2oct()
272 int EC_POINT_point2cbb(CBB *out, const EC_GROUP *group, const EC_POINT *point,  in EC_POINT_point2cbb()  argument
274   size_t len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx);  in EC_POINT_point2cbb()
280          EC_POINT_point2oct(group, point, form, p, len, ctx) == len;  in EC_POINT_point2cbb()
283 int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,  in ec_GFp_simple_set_compressed_coordinates()  argument
286   if (BN_is_negative(x) || BN_cmp(x, &group->field) >= 0) {  in ec_GFp_simple_set_compressed_coordinates()
319   if (group->meth->field_decode == 0) {  in ec_GFp_simple_set_compressed_coordinates()
321     if (!group->meth->field_sqr(group, tmp2, x, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
322         !group->meth->field_mul(group, tmp1, tmp2, x, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
326     if (!BN_mod_sqr(tmp2, x, &group->field, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
327         !BN_mod_mul(tmp1, tmp2, x, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
333   if (group->a_is_minus3) {  in ec_GFp_simple_set_compressed_coordinates()
334     if (!BN_mod_lshift1_quick(tmp2, x, &group->field) ||  in ec_GFp_simple_set_compressed_coordinates()
335         !BN_mod_add_quick(tmp2, tmp2, x, &group->field) ||  in ec_GFp_simple_set_compressed_coordinates()
336         !BN_mod_sub_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
340     if (group->meth->field_decode) {  in ec_GFp_simple_set_compressed_coordinates()
341       if (!group->meth->field_decode(group, tmp2, &group->a, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
342           !BN_mod_mul(tmp2, tmp2, x, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
347       if (!group->meth->field_mul(group, tmp2, &group->a, x, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
352     if (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
358   if (group->meth->field_decode) {  in ec_GFp_simple_set_compressed_coordinates()
359     if (!group->meth->field_decode(group, tmp2, &group->b, ctx) ||  in ec_GFp_simple_set_compressed_coordinates()
360         !BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
364     if (!BN_mod_add_quick(tmp1, tmp1, &group->b, &group->field)) {  in ec_GFp_simple_set_compressed_coordinates()
369   if (!BN_mod_sqrt(y, tmp1, &group->field, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
387     if (!BN_usub(y, &group->field, y)) {  in ec_GFp_simple_set_compressed_coordinates()
396   if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) {  in ec_GFp_simple_set_compressed_coordinates()
408 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,  in EC_POINT_set_compressed_coordinates_GFp()  argument
411   if (group->meth != point->meth) {  in EC_POINT_set_compressed_coordinates_GFp()
415   return ec_GFp_simple_set_compressed_coordinates(group, point, x, y_bit, ctx);  in EC_POINT_set_compressed_coordinates_GFp()