Open Stack

I'd suggest marking this as Won't Fix in keystone since pki_setup and
ssl_setup are only really useful to developers. Production deployments
should use real certificates.

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https://bugs.launchpad.net/bugs/1362343

Title:
  weak digest algorithm for PKI

Status in OpenStack Identity (Keystone):
  In Progress
Status in Python client library for Keystone:
  Fix Released

Bug description:
  The digest algorithm for PKI tokens is the openssl default of sha1.
  This is a weak algorithm and some security standards require a
  stronger algorithm such as sha256. Keystone should make the token
  digest hash algorithm configurable so that deployments can use a
  stronger algorithm.

  Also, the default could be stronger.

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