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0 votes
2 answers
444 views

Is it possible for WinZip to not recognize passwords created with a different WinZip version?

I have a .zip file which came with a "supposedly" correct password to extract it. Yet neither 7-zip not my WinZip trial version recognize that password as correct. The same happens with password-...
Tayl's user avatar
  • 1
1 vote
2 answers
482 views

Shell zip with unattended password

I have a script that runs some automatic zip generation using shell zip. The request is to add automatic encryption with password. From what I understand, the option -e is the right one, but it asks ...
Terix's user avatar
  • 353
1 vote
2 answers
10k views

Show the encryption method used on a zip file in WinZip 9.0

I received a zip with an encrypted file inside. How do I determine which encryption method was used on it in WinZip 9.0? I've cruised all the menus and options and see no easy way to tell this ...
ErikE's user avatar
  • 264
2 votes
0 answers
177 views

How secure is winzip encryption? [duplicate]

Possible Duplicate: Is zip's encryption really bad? Just how secure is winzip (http://www.winzip.com/) encryption? Can you point me to any articles or anything like that where a zip has ...
Daniel Upton's user avatar
1 vote
2 answers
1k views

How secure is encrypted zip if some of the files have known plaintext?

If I create an encrypted zip file with Winzip (say with 256 bit AES encryption), and some of the files contained in it have publicly known contents (e.g. open source 3rd party libraries), does this ...
simonn's user avatar
  • 173