Expose various APIs necessary for certificate selection logic #783

Job	Run time
Cross build from macOS to Linux (FIPS) (x86_64-unknown-linux-gnu)	3m 46s
Cross build from macOS to Linux (x86_64-unknown-linux-gnu)	1m 44s
rustfmt	12s
clippy	59s
Test (stable)	2m 11s
Test FIPS integration	2m 55s
Test (arm-android)	1m 59s
Test features	6m 15s
Test (arm64-android)	1m 52s
Test (i686-android)	2m 2s
Test (x86_64-android)	1m 54s
Test (aarch64-ios)	2m 48s
Test (aarch64-ios-sim)	2m 25s
Test (x86_64-ios)	2m 21s
Test (i686-linux)	2m 45s
Test (arm-linux)	2m 22s
Test (aarch64-linux)	2m 18s
Test (arm64-macos)	2m 10s
Test (x86_64-macos)	2m 30s
Test (x86_64-mingw)	5m 56s
Test (i686-msvc)	6m 5s
Test (x86_64-msvc)	5m 34s
	1h 3m 3s

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