The "key" of a "key derivation function" typically stores all that information. For example, see the format for scrypt: https://github.com/Tarsnap/scrypt/blob/m

The "key" of a "key derivation function" typically stores all that information. For example, see the format for scrypt: https://github.com/Tarsnap/scrypt/blob/master/FORMAT https://github.com/Tarsnap/scrypt/blob/master/FORMAT