Switch from CBC to GCM for Geo logout tokens
What does this MR do?
This MR changes the cipher used to generate Geo logout tokens from AES-256-GCM to AES-128-CBC. Switching the cipher does not break existing Geo logins since those tokens are generated only when user sign out from a Geo secondary node.
What are the relevant issue numbers?
Closes #5609
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
Tests added for this feature/bug -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides -
~~Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.~~ -
EE specific content should be in the top level /eefolder -
For a paid feature, have we considered GitLab.com plans, how it works for groups, and is there a design for promoting it to users who aren't on the correct plan?
Edited by Douglas Barbosa Alexandre