crypto: deduplicate and canonicalize CryptoKey usages #5912

Job	Run time
Build slim tarball	2m 48s
aarch64-darwin: with shared libraries	21m 44s
x86_64-linux: with shared libraries	24m 18s
x86_64-darwin: with shared libraries	41m 32s
aarch64-linux: with shared libraries	20m 22s
	1h 50m 44s

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