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P25-P2 Encryption Synchronization ReSync #1792

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merged 3 commits into from
Jan 12, 2024
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crsawyer
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  • Enhanced resync of ESS processor
  • Re-Order of AbstractVoiceTimeslot processing
  • Updated P25 MBE recorders to include synchronized encryption information (mainly to verify this fix worked)

Resync:
When a channel goes from "Call->Hangtime->PTT->Call", the first call is not guaranteed to end on a Voice-2 (See TIA-102.BBAC, Figure D-5). When the second call initiates, the ESS processor does not always start on the first Voice-4. Updated to reset ESS processor on PTT, END_PTT, HANGTIME, and IDLE.

Re-Order:
On a Voice-2 slice, the computed ESS applies to the following Voice slices. Re-ordered so that the current Voice-2 is processed before the computed ESS is processed.

@DSheirer DSheirer merged commit 3c18bfd into DSheirer:master Jan 12, 2024
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Thanks!

@DSheirer DSheirer added this to the Version 0.7.0 milestone Jan 12, 2024
@DSheirer DSheirer self-assigned this Jan 12, 2024
@crsawyer crsawyer deleted the p25-p2-ess branch January 12, 2024 14:54
@DSheirer DSheirer modified the milestones: Version 0.7.0, Version 0.6.1 Feb 3, 2024
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2 participants