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SharpZipLib v1.2.0 Release Notes

Release Date: 2019-08-10 // over 4 years ago

  • 🛠 Fixes:

    • ZipEntry name mismatch when attempting to delete a directory entry (#295)
    • ⏪ Revert ArraySegment simplification to speed up CRC32 calculation (#301)
    • 👍 Allow AES Zip to better handle reading partial stream data (#308)
    • Always write Zip64 extra size fields when size is -1 (too big for non-Zip64) (#314)
    • 👻 Throw exception when attempting to read a zero code length symbol (#316)
      • This should fix most issues where reading Zip-files get stuck in an infinite loop
    • 👀 ZipOutputStream.CloseEntry() now works for Stored AES encrypted entries (#323)
    • Empty string is now treated as no RootPath in TarArchive (#336)
    • ZipAESStream now handle reads of less data than the AES block size (#331)
    • Flushing a GZipOutputStream now attempts to deflate all input data before writing it to the underlying stream (#225)
    • StrongEncryption flag is no longer (incorrectly) set for WinzipAES encrypted entries (#329)
    • Attempting to read 0 bytes from a GZipInputStream no longer causes it to hang indefinitely (#372)

    🔋 Features:

    • 🐧 HostSystem can now be set for Zipfiles, allowing creation of files targeting Linux filesystems (#325)
    • 👻 The SharpZip custom Exception types now implements ISerializable (#369)
      • This allows them to be transmitted when using WCF

    🔄 Changes:

    • ZipFile constructor now has a leaveOpen parameter (#302)
    • FastZip.ExtractZip now sets isStreamOwner in the ZipFile constructor (#311)
    • ZipFile now always tries to find the Zip64 central directory and prefers it if exists (#363)
      • This will allow for better compatibility with other archivers.