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cryptsetup

cryptsetup is the open-source utility and library for setting up Linux disk encryption with dm-crypt and LUKS. Its default licence is the GPL version 2 or later, with some parts under the LGPL 2.1 or later and other licences.

Licensing at a Glance

  • Open source

  1. cryptsetup is an open-source utility for setting up disk encryption based on the dm-crypt kernel module, supporting plain, LUKS, loop-AES, TrueCrypt/VeraCrypt, BitLocker and FileVault2 volumes.[1]

  2. The project does not use one licence for all code: parts are under GPL-2.0-or-later, LGPL-2.1-or-later (with the cryptsetup OpenSSL exception where applicable), Apache-2.0, CC-BY-SA-4.0 or public domain.[2]

  3. GPL-2.0-or-later in the COPYING file is the default licence for code with no explicitly defined licence.[3]

  4. The COPYING file adds a special exception that allows linking portions of the program with the OpenSSL library.[4]

Products

References

  1. cryptsetup README · gitlab.com · retrieved 2026-09-27
  2. cryptsetup README.licensing · gitlab.com · retrieved 2026-09-27
  3. cryptsetup README.licensing · gitlab.com · retrieved 2026-09-27
  4. cryptsetup COPYING · gitlab.com · retrieved 2026-09-27
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