[Bug 1234705] Update Released

[Brian Murray]

The verification of this Stable Release Update has completed
successfully and the package has now been released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
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the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regresssions.

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https://bugs.launchpad.net/bugs/1234705

Title:
  apt-ftparchive writes SHA256 checksums in place of SHA512 in Sources

Status in “apt” package in Ubuntu:
  Fix Released
Status in “apt” source package in Precise:
  Fix Released
Status in “apt” source package in Quantal:
  Fix Released
Status in “apt” source package in Raring:
  Fix Released

Bug description:
  [Impact] apt-ftparchive generates SHA256 checksums for .dsc files and claims they're SHA512; this is likely to cause clients to fail to acquire source packages from Sources files generated with affected versions of apt-ftparchive, although only for .dsc files that contain Checksums-Sha512 (which is not yet the default).
  [Test Case] Use "apt-ftparchive sources" to generate Sources files for a tree containing a .dsc with the Checksums-Sha512 field (you may need to generate one manually).  Check that the filled-in checksum for the .dsc itself is correct.
  [Regression Potential] Confined to apt-ftparchive. Probably best to diff Packages/Sources files before and after.

  When apt-ftparchive is called upon to generate SHA512 checksums for a
  .dsc file that itself contains a Checksums-Sha512 field, the version
  in precise, quantal, and raring generate a SHA256 checksum instead and
  claim it's SHA512.  This is due to this line which is obviously
  incorrect once you notice it:

    SHA256Summation SHA512;

  We need to fix this before Launchpad production is upgraded from lucid
  to precise.

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