Implement FrodoPIR #5

Job	Run time
build (ubuntu-latest, g++, debug, standard)	2m 15s
build (ubuntu-latest, g++, debug, asan)	18m 1s
build (ubuntu-latest, g++, debug, ubsan)	15m 30s
build (ubuntu-latest, g++, release, standard)	1m 14s
build (ubuntu-latest, g++, release, asan)	16m 0s
build (ubuntu-latest, g++, release, ubsan)	12m 36s
build (ubuntu-latest, clang++, debug, standard)	1m 40s
build (ubuntu-latest, clang++, debug, asan)	7m 48s
build (ubuntu-latest, clang++, debug, ubsan)	1h 0m 14s
build (ubuntu-latest, clang++, release, standard)	1m 32s
build (ubuntu-latest, clang++, release, asan)	3m 1s
build (ubuntu-latest, clang++, release, ubsan)	16m 7s
build (macos-latest, g++, debug, standard)	30m 8s
build (macos-latest, g++, debug, asan)	34m 17s
build (macos-latest, g++, debug, ubsan)	42m 33s
build (macos-latest, g++, release, standard)	31m 12s
build (macos-latest, g++, release, asan)	35m 9s
build (macos-latest, g++, release, ubsan)	38m 47s
build (macos-latest, clang++, debug, standard)	35m 33s
build (macos-latest, clang++, debug, asan)	36m 42s
build (macos-latest, clang++, debug, ubsan)	40m 26s
build (macos-latest, clang++, release, standard)	44m 1s
build (macos-latest, clang++, release, asan)	32m 27s
build (macos-latest, clang++, release, ubsan)	39m 38s
	9h 56m 51s

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