[Bug 1815484] Re: [19.04 FEAT] Upgrade cryptsetup 2.1.0

[Francis Ginther]

** Tags added: id-5c61cb1e0c59e30c7bfaa331

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Title:
  [19.04 FEAT] Upgrade cryptsetup  2.1.0

Status in Ubuntu on IBM z Systems:
  Triaged
Status in cryptsetup package in Ubuntu:
  New

Bug description:
  Cryptsetup is utility used to conveniently setup disk encryption based
  on DMCrypt kernel module.

  These include plain dm-crypt volumes, LUKS volumes, loop-AES
  and TrueCrypt (including VeraCrypt extension) format.
  Project also includes veritysetup utility used to conveniently setup
  DMVerity block integrity checking kernel module
  and, since version 2.0,  integritysetup to setup
  DMIntegrity block integrity kernel module.

  Cryptsetup 2.1.0 Release Notes
  ==============================
  Stable release with new features and bug fixes.

  Cryptsetup 2.1 version uses a new on-disk LUKS2 format as the default
  LUKS format and increases default LUKS2 header size.

  The legacy LUKS (referenced as LUKS1) will be fully supported forever
  as well as a traditional and fully backward compatible format.

  When upgrading a stable distribution, please use configure option
  --with-default-luks-format=LUKS1 to maintain backward compatibility.

  This release also switches to OpenSSL as a default cryptographic
  backend for LUKS header processing. Use --with-crypto_backend=gcrypt
  configure option if you need to preserve legacy libgcrypt backend.

  Please do not use LUKS2 without properly configured backup or
  in production systems that need to be compatible with older systems.

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