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Created by Jurre van Bergen@DrWhaxOwner6 of 6 tasks completed6/6 tasks

Check that Old Mac keys are correctly revealed

Created by: claucece

Why

As we are currently implementing the revision number 2 of the OTRv4 specification, we need to include a consistent way of revealing MAC keys.

Reference

Please, refer to the "Revealing MAC keys" section of the OTRv4 spec.

Tasks

  • Check that the list of the old mac keys is correctly set up.
  • Check that all old mac keys are included in the appropriate list.
  • Check that TLV type 1 reveals some MAC keys.
  • Reveal MAC keys of skipped stored messages keys.
  • Check that MAC keys are derived from the message key.
  • Correctly derive the MAC keys for the non-interactive DAKE.

Open questions

None.