Function openpgp_card_sequoia::util::decrypt

pub fn decrypt(
    card_tx: &mut OpenPgpTransaction<'_>, 
    cert: &Cert, 
    msg: Vec<u8>, 
    touch_prompt: &(dyn Fn() + Send + Sync), 
    p: &dyn Policy
) -> Result<Vec<u8>>

FIXME: this fn is used in card_functionality, but should be removed