[Bug 1098299] Re: entropy pool should be seeded earlier in boot process

[Simon Déziel]

@Joh Denker, I've looked through your urandom.conf upstart job and was
wondering how it would cope with /var on separated partition. Should't
it need "start on mounted MOUNTPOINT=/var" ?

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https://bugs.launchpad.net/bugs/1098299

Title:
  entropy pool should be seeded earlier in boot process

Status in “installation-report” package in Ubuntu:
  In Progress
Status in “openssh” package in Ubuntu:
  Fix Released
Status in “sysvinit” package in Ubuntu:
  Won't Fix
Status in “ubiquity” package in Ubuntu:
  Fix Released

Bug description:
  Currently, the entropy pool is seeded by /etc/init.d/urandom. This
  should be done earlier in the boot process by an upstart job, and
  should be done before the ssh daemon is started.

  Although the ssh keys are generated on package install, openssh uses
  openssl's PRNG which is seeded on boot for ephemeral keys.

  See https://factorable.net/weakkeys12.extended.pdf for more
  information.

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