kimci86/bkcrack

Crack legacy zip encryption with Biham and Kocher's known plaintext attack.

C++PythonCMakeattackzippasswordplaintext-attackciphertextcrackingcrackmultithreadpkzipzipcrackerzipcrypto
This is stars and forks stats for /kimci86/bkcrack repository. As of 03 May, 2024 this repository has 1152 stars and 124 forks.

bkcrack Crack legacy zip encryption with Biham and Kocher's known plaintext attack. Overview A ZIP archive may contain many entries whose content can be compressed and/or encrypted. In particular, entries can be encrypted with a password-based symmetric encryption algorithm referred to as traditional PKWARE encryption, legacy encryption or ZipCrypto. This algorithm generates a pseudo-random stream of bytes (keystream) which is XORed to the entry's content (plaintext) to produce encrypted data (ciphertext). The...
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