EVP_PBE_scrypt
if (EVP_PBE_scrypt(NULL, 0, NULL, 0, N, r, p, 0, NULL, 0) == 0) {
int EVP_PBE_scrypt(const char *pass, size_t passlen,
if (EVP_PBE_scrypt((const char *)expected->pass, expected->pass_len,