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Joachim Metz edited this page Jul 15, 2022 · 11 revisions

libqcow is a library to access the QEMU Copy-On-Write (QCOW) image format.

Project information:

  • Status: alpha
  • Licence: LGPLv3+

Read-only supported QCOW formats:

  • version 1
  • version 2
  • version 3

Supported QCOW format features:

  • zlib (DEFLATE) compression
  • AES-CBC 128-bit encryption
  • backing file (differential image)

Unsupported QCOW format features:

  • LUKS encryption
  • data file
  • in-image snapshots

Work in progress:

  • Thread-safety in file API functions

For more information see:

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