solidDB Help : Configuring and administering : Security : Database encryption : Changing the encryption password
  
Changing the encryption password
To change the password of the encryption key, solidDB must be started by using the ‑E command line option and the old and the new passwords must be specified.
To change the encryption password, start solidDB with the following command syntax:
solid -E -x keypwdfile:old key filename ‑x keypwdfile:new key filename
For example:
solid -E -x keypwdfile:pwd.txt ‑x keypwdfile:newpdw.txt
Alternatively, you can specify the new and old password using the ‑S command-line option.
solid -E -S old_password ‑S new_password
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Database encryption