Use "RandomShake" as CSPRNG #17

Job	Run time
build (ubuntu-latest, g++, debug, standard)	2m 26s
build (ubuntu-latest, g++, debug, asan)	14m 55s
build (ubuntu-latest, g++, debug, ubsan)	15m 13s
build (ubuntu-latest, g++, release, standard)	2m 3s
build (ubuntu-latest, g++, release, asan)	15m 37s
build (ubuntu-latest, g++, release, ubsan)	15m 3s
build (ubuntu-latest, clang++, debug, standard)	2m 35s
build (ubuntu-latest, clang++, debug, asan)	10m 11s
build (ubuntu-latest, clang++, debug, ubsan)	29m 23s
build (ubuntu-latest, clang++, release, standard)	2m 34s
build (ubuntu-latest, clang++, release, asan)	4m 43s
build (ubuntu-latest, clang++, release, ubsan)	11m 59s
build (macos-latest, g++, debug, standard)	50m 3s
build (macos-latest, g++, debug, asan)	53m 57s
build (macos-latest, g++, debug, ubsan)	39m 36s
build (macos-latest, g++, release, standard)	41m 34s
build (macos-latest, g++, release, asan)	48m 41s
build (macos-latest, g++, release, ubsan)	45m 20s
build (macos-latest, clang++, debug, standard)	28m 21s
build (macos-latest, clang++, debug, asan)	50m 52s
build (macos-latest, clang++, debug, ubsan)	43m 36s
build (macos-latest, clang++, release, standard)	37m 47s
build (macos-latest, clang++, release, asan)	41m 33s
build (macos-latest, clang++, release, ubsan)	49m 4s
	10h 57m 6s

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