Two-way encryption: I need to store passwords that can be retrieved

Question

I am creating an application that will store passwords, which the user can retrieve and see. The passwords are for a hardware device, so checking against hashes are out of

Answer 1

Use password_hash and password_verify

 12,
];
echo password_hash("rasmuslerdorf", PASSWORD_BCRYPT, $options)."\n";
?>

And to decrypt: