question: protected Password unlockEntry ( String alias , KeyStoreState state ) { try { KeyStore keyStore = state . getKeyStore ( ) ; DGetPassword dGetPassword = new DGetPassword ( frame , MessageFormat . format ( res . getString ( "KeyStoreExplorerAction.UnlockEntry.Title" ) , alias ) ) ; dGetPassword . setLocationRelativeTo ( frame ) ; dGetPassword . setVisible ( true ) ; Password password = dGetPassword . getPassword ( ) ; if ( password == null ) { return null ; } keyStore . getKey ( alias , password . toCharArray ( ) ) ; state . setEntryPassword ( alias , password ) ; kseFrame . updateControls ( true ) ; return password ; } catch ( GeneralSecurityException ex ) { String problemStr = MessageFormat . format ( res . getString ( "KeyStoreExplorerAction.NoUnlockEntry.Problem" ) , alias ) ; String [ ] causes = new String [ ] { res . getString ( "KeyStoreExplorerAction.PasswordIncorrectEntry.Cause" ) } ; Problem problem = new Problem ( problemStr , causes , ex ) ; DProblem dProblem = new DProblem ( frame , res . getString ( "KeyStoreExplorerAction.ProblemUnlockingEntry.Title" ) , problem ) ; dProblem . setLocationRelativeTo ( frame ) ; dProblem . setVisible ( true ) ; return null ; } }
target:  Unlock a key or key pair entry. Updates the KeyStore history with the password.