The case of the 9 bit AES key(v12.sh)
123 points by ledoge | 65 comments
V12 security blog post showing that MuPDF, Foxit, OpenPDF and iText generate PDF AES-256 file keys from weak, enumerable randomness, enabling passwordless decryption.
#aes-256 on Hacker News
1 story tagged aes-256, newest first.