25 int ec_bignum_to_felem(const EC_GROUP *group, EC_FELEM *out, const BIGNUM *in) {  in ec_bignum_to_felem()  argument
26   if (BN_is_negative(in) || BN_cmp(in, &group->field) >= 0) {  in ec_bignum_to_felem()
30   return group->meth->bignum_to_felem(group, out, in);  in ec_bignum_to_felem()
33 int ec_felem_to_bignum(const EC_GROUP *group, BIGNUM *out, const EC_FELEM *in) {  in ec_felem_to_bignum()  argument
34   return group->meth->felem_to_bignum(group, out, in);  in ec_felem_to_bignum()
37 void ec_felem_neg(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a) {  in ec_felem_neg()  argument
39   BN_ULONG mask = ec_felem_non_zero_mask(group, a);  in ec_felem_neg()
41       bn_sub_words(out->words, group->field.d, a->words, group->field.width);  in ec_felem_neg()
44   for (int i = 0; i < group->field.width; i++) {  in ec_felem_neg()
49 void ec_felem_add(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a,  in ec_felem_add()  argument
52   bn_mod_add_words(out->words, a->words, b->words, group->field.d, tmp.words,  in ec_felem_add()
53                    group->field.width);  in ec_felem_add()
56 void ec_felem_sub(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a,  in ec_felem_sub()  argument
59   bn_mod_sub_words(out->words, a->words, b->words, group->field.d, tmp.words,  in ec_felem_sub()
60                    group->field.width);  in ec_felem_sub()
63 BN_ULONG ec_felem_non_zero_mask(const EC_GROUP *group, const EC_FELEM *a) {  in ec_felem_non_zero_mask()  argument
65   for (int i = 0; i < group->field.width; i++) {  in ec_felem_non_zero_mask()
71 void ec_felem_select(const EC_GROUP *group, EC_FELEM *out, BN_ULONG mask,  in ec_felem_select()  argument
73   bn_select_words(out->words, mask, a->words, b->words, group->field.width);  in ec_felem_select()
76 int ec_felem_equal(const EC_GROUP *group, const EC_FELEM *a,  in ec_felem_equal()  argument
81                         group->field.width * sizeof(BN_ULONG)) == 0;  in ec_felem_equal()