摘要 |
<p>The invention relates to a method for the electronically controlled generation of a graphic signature (3) for a document (1, 2), and to a method for the electronically controlled verification of the originality of a document (1, 2) in a data processing system (5). A data record characteristic of an electronic document (1) stored in the memory (6) is determined from said document, and a graphic signature (3) associated with the document (1) is created on the basis of the characteristic data record. The invention also relates to a data processing system, and to a computer program for carrying out the method.</p> |