Support getting encryption context on a message #1000

Job	Run time
Formatting Check	1m 42s
Lint	29m 29s
Build the Wireshark dissector (ubuntu-latest)	44s
Run unit tests	17m 8s
Build CPP Client on ${{ matrix.name }}	0s
Build with the C++20 standard	5m 9s
Build CPP Client on macOS with static dependencies	8m 25s
Build ${{ matrix.pkg.name }} ${{ matrix.cpu.platform }}	0s
Check Completion	-1s
Formatting Check	1m 42s
Run unit tests	22m 6s
Build the Wireshark dissector (ubuntu-latest)	44s
Lint	29m 29s
Build CPP Client on macOS with static dependencies	8m 25s
Build with the C++20 standard	5m 9s
Build CPP Client on Windows x64	25m 7s
Build CPP Client on Windows x86	25m 9s
Build Deb x86_64	10m 45s
Build RPM x86_64	9m 51s
Build Alpine x86_64	16m 33s
Check Completion	1s
	3h 37m 37s

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