nCrypt Prefs nCrypt Light’s preferences are set in Newton’s preferences roll. Tap the Prefs icon in the Extras Drawer and choose nCrypt from the list of preferences:   There are two options available: The New Passphrase picker sets the default choice when the Protect and Unprotect task slips appear. The Clear Passphrase button clears whatever passphrase you last entered from nCrypt’s memory. This is useful when you have selected “Never” for new passphrases.