[Guest]

"One of the ways of breaking ZIP protection is using known-plaintext attack. If you're interested in the details of attack, find the paper "A Known Plain text Attack on the PKZIP Stream Cipher" by Eli Biham and Paul Kocher. ARCHPR's implementation of plaintext attack is very close to that paper, with some minor modifications."

Кто-нибудь знает что это такое и как работает.