In Quform version 2.9.0 we added hooks to allow storage of encrypted form element values: quform_get_value_for_storage for encrypting values before they are saved in the database, and quform_set_value_from_storage for decrypting values when they are retrieved from the database. Conveniently, around the same time WordPress 5.2 added the sodium_compat library to core, allowing for simple, secure … Continue reading Encryption