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3 questions
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how to decrypt stream based zipcrypto with password?
This is my test of Zipcrypto decryption with known password, It's my own exercise on what i have learned so far , but the code produces bytes different from expected plaintext and i can't figure out ...
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0
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2
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what is the purpose of second argument in PKZIP CRC32()?
I am trying to find a way of improving the attack PKZIP encryption but some things aren't clear and for today its this one:
key0 = crc32 ( key0, pt );
This is the CRC32 i know as standard it takes ...
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1
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1
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Why do i get more 256 false positive in PKZIP Decryption key verification?
I have been trying to brute force Key2 of ZipCrypto with first byte of CRC and last byte of encryption header to see how long would it take but i got more than 2000 valid keys.
From the APPNOTE, Key2 ...
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