Opaque keys support for the openssl command line #444

Job	Run time
compiler (gcc-7, ubuntu-20.04)	4m 37s
compiler (gcc-8, ubuntu-20.04)	4m 50s
compiler (gcc-9, ubuntu-20.04)	5m 10s
compiler (gcc-10, ubuntu-20.04)	4m 44s
compiler (gcc-11, ubuntu-22.04)	4m 41s
compiler (gcc-12, ubuntu-22.04)	5m 6s
compiler (gcc-13, ubuntu-22.04, ubuntu-toolchain-r/test)	7m 31s
compiler (clang-6.0, ubuntu-20.04)	4m 58s
compiler (clang-7, ubuntu-20.04)	4m 50s
compiler (clang-8, ubuntu-20.04)	5m 12s
compiler (clang-9, ubuntu-20.04)	5m 21s
compiler (clang-10, ubuntu-20.04)	4m 49s
compiler (clang-11, ubuntu-20.04)	4m 45s
compiler (clang-12, ubuntu-20.04)	4m 51s
compiler (clang-13, ubuntu-22.04)	5m 2s
compiler (clang-14, ubuntu-22.04)	5m 11s
compiler (clang-15, ubuntu-22.04, jammy)	5m 0s
compiler (clang-16, ubuntu-22.04, jammy)	5m 11s
compiler (clang-17, ubuntu-22.04, jammy)	5m 9s
	1h 36m 58s

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