2 papers
cs.CR2026
TrustPaper for forged PDF with Issuer Fingerprints
Yassine El Jakani, Mohamed Nadir Rhazi, Othmane Meknassi +3
Sick leave certificates are increasingly delivered as PDF files by online teleconsultation platforms, and can be altered in minutes with free editors. Generic PDF scanners report h…
cs.CR2026
Multilayer Forensic Tampering Detection
Titouan Millet, Thomas Valade, François Gonnet +1
With the proliferation of free online editing tools, altering or forging pdf documents has become trivially easy, often leaving no visual traces on screen. This paper introduces a…