Decrypting a password protected zipped file using dotnetzip C#

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I m trying to extract a zipped file through DotNetZip . The file is encrypted with a password and needs to be either reset or removed. I used ExtractAll method but received exception:

BadPasswordException was unhandled, the password didnot match.

What I have tried:

My code is below:

C#

using (Ionic.Zip.ZipFile zip = Ionic.Zip.ZipFile.Read(source_file))
{           
    zip.Password = "1234";
    zip.ExtractAll(dest_path, Ionic.Zip.ExtractExistingFileAction.OverwriteSilently);
}

Hopes For suggestion

Posted 9-Nov-16 22:06pm

Member 11676232

Updated 9-Nov-16 22:16pm

Tomas Takac

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Tomas Takac 10-Nov-16 4:11am

I guess the error message is clear. You need to know the password to unzip.

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

OriginalGriff · Answer 1 · 2016-11-09T22:16:00

If you do not know the password, then you will get this error.
And there is no way to extract the data without the correct password - that is the whole idea of applying a password to zip data.
If you don't have it, go back to the person who sent you the file, and ask them - we cannot help you, and would not if we could: We do not condone, support, or assist in the production of malicious code in any way, form, or manner. This is a professional site for professional developers.

Decrypting a password protected zipped file using dotnetzip C#

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Decrypting a password protected zipped file using dotnetzip C#

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