pkcs5v2_genkey_raw
pkcs5v2_genkey_raw(buf, size, "", 0, buf_efi, size_efi, 1);
pkcs5v2_genkey_raw(key, keylen, salt, saltsize, passphrase,
void pkcs5v2_genkey_raw(uint8_t *key, unsigned keylen, const uint8_t *salt,