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SharpZipLib (#ziplib, formerly NZipLib) is a compression library for Zip, GZip, BZip2 and Tar written entirely in C# for .NET
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ICSharpCode.SharpZipLib.NET45
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README.md

SharpZipLib Join the chat at https://gitter.im/icsharpcode/SharpZipLib Stories in Ready Coverage Status Coverity Scan Build Status

Build Server Operating System Framework Status
AppVeyor Windows Server 2012 .NET Framework 4.5 AppVeyor build status
Travis Ubuntu 12.04.5 LTS Mono 4.2.3 Travis build status
MacOSX 13.4.0.0 Mono 4.2.3
Bitrise OSX Xamarin.iOS Bitrise Build Status
OSX Xamarin.Android
OSX Xamarin.Mac

Introduction

SharpZipLib (#ziplib, formerly NZipLib) is a compression library that supports Zip files using both stored and deflate compression methods, PKZIP 2.0 style and AES encryption, tar with GNU long filename extensions, GZip, zlib and raw deflate, as well as BZip2. Zip64 is supported while Deflate64 is not yet supported. It is implemented as an assembly (installable in the GAC), and thus can easily be incorporated into other projects (in any .NET language). The creator of SharpZipLib put it this way: "I've ported the zip library over to C# because I needed gzip/zip compression and I didn't want to use libzip.dll or something like this. I want all in pure C#."

SharpZipLib was originally ported from the GNU Classpath java.util.zip library for use with SharpDevelop, which needed gzip/zip compression. bzip2 compression and tar archiving were added later due to popular demand.

The SharpZipLib homepage has precompiled libraries available for download, a link to the forum for support, release history, samples and more.

License

This software is now released under the MIT License. Please see issue #103 for more information on the relicensing effort.

Previous versions were released under the GNU General Public License, version 2 with an exception which allowed linking with non-GPL programs.

Namespace layout

Module Namespace
BZip2 implementation ICSharpCode.SharpZipLib.BZip2.*
Checksum implementation ICSharpCode.SharpZipLib.Checksums.*
Core utilities / interfaces ICSharpCode.SharpZipLib.Core.*
Encryption implementation ICSharpCode.SharpZipLib.Encryption.*
GZip implementation ICSharpCode.SharpZipLib.GZip.*
LZW implementation ICSharpCode.SharpZipLib.Lzw.*
Tar implementation ICSharpCode.SharpZipLib.Tar.*
ZIP implementation ICSharpCode.SharpZipLib.Zip.*
Inflater/Deflater ICSharpCode.SharpZipLib.Zip.Compression.*
Inflater/Deflater streams ICSharpCode.SharpZipLib.Zip.Compression.Streams.*

Credits

SharpZipLib was initially developed by Mike Krüger. Past maintainers are John Reilly and David Pierson. The current maintainer is Neil McNeight.

And thanks to all the people that contributed features, bug fixes and issue reports.

Metrics

Throughput Graph

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