** Change the key on an open database. If the current database is not
** encrypted, this routine will encrypt it. If pNew == 0 or nNew == 0, the
** database is decrypted.
**
** The code to implement this API is not available in the public release
** of SQLite.
** Change the key on an open database. If the current database is not ** encrypted, this routine will encrypt it. If pNew == 0 or nNew == 0, the ** database is decrypted. ** ** The code to implement this API is not available in the public release ** of SQLite.