void random_fe(secp256k1_fe_t *x) {
unsigned char bin[32];
do {
secp256k1_rand256(bin);
if (secp256k1_fe_set_b32(x, bin)) {
return;
}
} while(1);
}
void random_scalar_order(secp256k1_scalar_t *num) {
do {
unsigned char b32[32];
secp256k1_rand256(b32);
int overflow = 0;
secp256k1_scalar_set_b32(num, b32, &overflow);
if (overflow || secp256k1_scalar_is_zero(num))
continue;
break;
} while(1);
}
void random_num_order(secp256k1_num_t *num) {
do {
unsigned char b32[32];
secp256k1_rand256(b32);
secp256k1_num_set_bin(num, b32, 32);
if (secp256k1_num_is_zero(num))
continue;
if (secp256k1_num_cmp(num, &secp256k1_ge_consts->order) >= 0)
continue;
break;
} while(1);
}
void random_fe(secp256k1_fe_t *x) {
unsigned char bin[32];
secp256k1_rand256(bin);
secp256k1_fe_set_b32(x, bin);
}
