bkcrack 1.7.1
Crack legacy zip encryption with Biham and Kocher's known plaintext attack.
Known limitations

The list of known limitations and unsupported features.

Class Zip

Spanned or split zip files are not supported.

Strong encryption (SES) is not supported. In particular, central directory encryption is not supported.

Language Encoding (EFS) is not supported. (APPNOTE.TXT, Appendix D)