Vorrichtung und Verfahren zur Aufzeichnung von Transaktionen

摘要

The invention provides for transaction recordal apparatus comprising first generating means (20) for generating a digitized signature record of a signature approving said transaction, and having second generating means for generating a digitized transaction record representative of said transaction, and means (49) for using said transaction record to encrypt said signature record so as to provide an encrypted record for supply to signature and transaction verification means. A method is also provided in which the recordal is carried out by apparatus according to the above description.