Comment 3 for bug 1473042

Reviewed: https://review.openstack.org/215481
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=f11d396546dfe8fa66143d3aaddf5873268eda9d
Submitter: Jenkins
Branch: master

commit f11d396546dfe8fa66143d3aaddf5873268eda9d
Author: Andrey Pavlov <email address hidden>
Date: Fri Aug 21 09:53:40 2015 +0300

    Add S3 signature v4 checking

    Keystone can check signature v1 for s3,
    but many new tools uses new v4 signature protocol.
    This patchset adds checking of v4 signature.
    Architecture of implementation is the same as
    v1 implementated.

    Change-Id: I14121b4df2cae1407102335671c3f6878d46fc35
    Closes-Bug: #1473042