Verfahren und Vorrichtung zur Bestätigung der Echtheit eines Dokumentes und elektronischer Tresor zur Speicherung der Daten

摘要

The invention relates to a method for confirming the authenticity of a document. According to the invention, said method is carried out in such a way that the authenticity is confirmed using a digital signature, the signed confirmation of authenticity is integrated into the document by means of a secret watermark and that the document is also provided with a public watermark.