top | item 30082801 (no title) jinseokim | 4 years ago Be aware that deleting metadata is never enough: There are too many ways to hide some fingerprints on the PDF document. discuss order hn newest post-it|4 years ago All you need to do is download two documents and diff them, and delete anything that doesn't overlap. yjftsjthsd-h|4 years ago You'd need to download from different identities; if I was them I'd be injecting user, IP, organization, date, and a signed hash thereof (tamper evidence if someone does something like change a digit in the IP) load replies (2) amelius|4 years ago Not guaranteed to work. Look up steganography. load replies (1)
post-it|4 years ago All you need to do is download two documents and diff them, and delete anything that doesn't overlap. yjftsjthsd-h|4 years ago You'd need to download from different identities; if I was them I'd be injecting user, IP, organization, date, and a signed hash thereof (tamper evidence if someone does something like change a digit in the IP) load replies (2) amelius|4 years ago Not guaranteed to work. Look up steganography. load replies (1)
yjftsjthsd-h|4 years ago You'd need to download from different identities; if I was them I'd be injecting user, IP, organization, date, and a signed hash thereof (tamper evidence if someone does something like change a digit in the IP) load replies (2)
post-it|4 years ago
yjftsjthsd-h|4 years ago
amelius|4 years ago