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[Openstack-security] [Bug 1668503] Change abandoned on keystone (master)


Change abandoned by Morgan Fainberg (morgan.fainberg at gmail.com) on branch: master
Review: https://review.openstack.org/438808
Reason: Abandoning, no backports needed can go with a more comprehensive fix

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https://bugs.launchpad.net/bugs/1668503

Title:
  sha512_crypt is insufficient, use pbkdf2_sha512 for password hashing

Status in OpenStack Identity (keystone):
  In Progress
Status in OpenStack Identity (keystone) mitaka series:
  New
Status in OpenStack Identity (keystone) newton series:
  New
Status in OpenStack Identity (keystone) ocata series:
  New
Status in OpenStack Identity (keystone) pike series:
  In Progress
Status in OpenStack Security Advisory:
  Incomplete

Bug description:
  Keystone uses sha512_crypt for password hashing. This is insufficient
  and provides limited protection (even with 10,000 rounds) against
  brute-forcing of the password hashes (especially with FPGAs and/or GPU
  processing).

  The correct mechanism is to use bcrypt, scrypt, or pbkdf2_sha512
  instead of sha512_crypt.

  This bug is marked as public security as bug #1543048 has already
  highlighted this issue.

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