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comp.compression Frequently Asked Questions (part 1/3)
Section - [57] I have lost my password on a .zip file

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Previous Document: [56] I am looking for a message digest algorithm
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This question would be more appropriate on sci.crypt.

See http://www.hedgie.com/passwords/index.html
Here are a few programs to break pkzip encryption:
ftp://idea.sec.dsi.unimi.it/pub/security/crypt/code/
ftp://idea.sec.dsi.unimi.it/pub/security/crypt/rpub.cl.msu.edu/crypt/msdos/
ftp://idea.sec.dsi.unimi.it/pub/security/crypt/rpub.cl.msu.edu/crypt/other/
ftp://ftp.ox.ac.uk/pub/crypto/cryptanalysis/fzc104.zip
ftp://ftp.ox.ac.uk/pub/crypto/cryptanalysis/pkcrack.zip
ftp://ftp.ox.ac.uk/pub/crypto/cryptanalysis/zipcrk20.zip

These are brute force crackers. A known plaintext attack is also possible,
see http://www.unix-ag.uni-kl.de/~conrad/krypto/pkcrack.html
or ftp://ftp.sunet.se/pub/security/docs/crypt/ripem.msu.edu/kocher-pkzip-attack.ps.gz

          End of part 1 of the comp.compression faq.

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Top Document: comp.compression Frequently Asked Questions (part 1/3)
Previous Document: [56] I am looking for a message digest algorithm

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Last Update March 27 2014 @ 02:11 PM