[Bug 1831942] Please test proposed package

[Łukasz Zemczak]

Hello Andy, or anyone else affected,

Accepted u-boot into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/u-boot/2018.07~rc3+dfsg1-0ubuntu3~18.04.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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https://bugs.launchpad.net/bugs/1831942

Title:
  support u-boot Flat Image Tree (FIT) signing support

Status in Launchpad itself:
  In Progress
Status in u-boot package in Ubuntu:
  In Progress
Status in u-boot source package in Xenial:
  In Progress
Status in u-boot source package in Bionic:
  Fix Committed
Status in u-boot source package in Cosmic:
  Fix Committed
Status in u-boot source package in Disco:
  Fix Committed
Status in u-boot source package in Eoan:
  In Progress

Bug description:
  [Impact] the existing mkimage/dumpimage tools are unable to make or
  dump out the contents of a u-boot FIT image.

  [Test Case] run mkimage with no arguments, note that signing is shown
  as not enabled.

  [Regression Potential] though this changes the u-boot boot loader
  package, only the build of the u-boot-utils package contents is
  modified.  This primarily enabled FIT_SIGNATURE support in the
  configuration before building those tools.  The majority of the tools
  we ship do not have configuration support even and so should not be
  affected.  mkimage et al are not normally used during a
  kernel/bootloader update and so the risk to a pre-installed system
  should be low.  There is slightly higher risk in the xenial changes as
  the enablement has enabled some additional tool builds, but none of
  those are shipped in the resulting binaries.

  ===

  We need a mechanism for securely signing Flat Image Tree binaries.
  This will be performed in a similar manner to UEFI signing support via
  a custom binary upload to launchpad.  We will also need a u-boot
  update to enable image creation and signing support in mkimage.

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