[Bug 1022815] Re: initramfs should try password against other devices

Dmitrijs Ledkovs launchpad at surgut.co.uk
Sat Aug 18 16:43:39 UTC 2012


This might actually make sense. But this implies that we store the
passphrase in-memory while trying all devices, which may have security
implications.

Have you considered using a key-file on a removal storage and make all
volumes unlock using that key-file?

** Changed in: cryptsetup (Ubuntu)
       Status: New => Confirmed

** Changed in: cryptsetup (Ubuntu)
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/1022815

Title:
  initramfs should try password against other devices

Status in “cryptsetup” package in Ubuntu:
  Confirmed

Bug description:
  Due to multiple drives I have multiple encrypted volumes.  The
  passphrase for all of them is identical.. However at boot I am asked
  the password for each one, and have to type the same thing over and
  over again.  cryptsetup during boot should at least try the previously
  typed in password against each volume.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: cryptsetup (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
  Uname: Linux 3.2.0-26-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  Date: Mon Jul  9 22:14:32 2012
  SourcePackage: cryptsetup
  UpgradeStatus: No upgrade log present (probably fresh install)

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