公开(公告)号：US20190220612A1

公开(公告)日：2019-07-18

申请号：US16247858

申请日：2019-01-15

Applicant: NEOPOST TECHNOLOGIES

Inventor： Frederic Richard

IPC: G06F21/62 ,  G06K19/02 ,  G06K19/077 ,  G06K19/14 ,  G06K19/073 ,  G06F3/12

CPC classification number: G06F21/6209 ,  G06F3/1222 ,  G06F3/1238 ,  G06K19/025 ,  G06K19/07309 ,  G06K19/0776 ,  G06K19/145 ,  G07B17/00508 ,  G07B17/00733 ,  G07B2017/00443 ,  G07B2017/0058 ,  G07B2017/0062 ,  G07B2017/00629

Abstract: For protecting confidential information in a printed document, the invention provides a system and method for, on one hand, encrypting the confidential content of the document and then printing the part or parts of the document with confidential information in an encrypted form and the rest of the document in a non-encrypted form, and, on the other hand, decrypting the encrypted document content for display and use or for printing. In addition, for preventing unauthorized copying and tampering of a printed document, the invention provides a system and method for managing a unique tag, which is attached to the document and which authenticates the document.