David Kriesel: Traue keinem Scan, den du nicht selbst gefälscht hast
media.ccc.de · 63:40 · Watch on YouTube
David Kriesel shows how Xerox WorkCentre copiers silently replaced numbers and letters in scans due to a broken JBIG2 pattern-matching implementation, a bug that persisted for 8 years and destroyed the legal value of...