Encryption sample (#46) #86

Job	Run time
build-lint-test (ubuntu-latest, 3.2)	2m 10s
build-lint-test (ubuntu-latest, 3.4)	2m 2s
build-lint-test (macos-latest, 3.4)	1m 8s
build-lint-test (macos-latest, 3.2)	1m 40s
	7m 0s

Provide feedback