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  • "Compression method not supported" When trying to read simple Deflate Zip

    Hi, if i try to read a zip file created by 7zip command line with the following parameters: -mm=Deflate -mx=9 -pPassword, at zipinputstream.GetNextEntry() then i get exception, "Compression method not supported" A simple AES 256 encrypted deflate method zip, total commander, windows, java simply...
    Posted to Forum by disconnect on 10-06-2017
  • How to Encrypt/Decrypt zipfile

    Okay, I have my applications zipping and unzipping the files. Now I need to add encryption ability, but do not know how to do that. I am using VB .NET 2005, and there are no VB sample code illustrating how to do this. I also downloaded the help files, but when i try to use them, no matter which topic...
    Posted to Forum by HongKongCV on 03-10-2009
  • Re: How to create zip file from the file contents in bytes from database

    I am wondering how to do the same thing as the original poster is. I know how to do the actual zipping in memory but I do not know how (or if it is possible) to add files, in the form of byte array, to the zip in memory. From what I understand, the process is as follows: Create a ZipOutputStream. Create...
    Posted to Forum by clamum on 11-20-2008
  • Encrypt Zip and Decrypt Zip

    I have 2 questions and 1 statement I'm using VS2005 Pro, VB.NET 1) I know how to use a password to protect a zip file REM Compression Level: 0-9 REM 0: no(Compression) REM 9: maximum compression strmZipOutputStream.SetLevel(9) strmZipOutputStream.Password = "passwordstring" How can I use...
    Posted to Forum by DarkFact on 04-17-2008
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