Expose various APIs necessary for certificate selection logic #794

Job	Run time
clippy	1m 10s
Test FIPS integration	2m 46s
Cross build from macOS to Linux (FIPS) (x86_64-unknown-linux-gnu)	21s
Cross build from macOS to Linux (x86_64-unknown-linux-gnu)	1m 42s
rustfmt	4s
Test (stable)	1m 57s
Test features	6m 15s
Test (arm-android)	1m 49s
Test (arm64-android)	1m 50s
Test (i686-android)	1m 55s
Test (x86_64-android)	1m 56s
Test (aarch64-ios)	2m 18s
Test (aarch64-ios-sim)	2m 23s
Test (x86_64-ios)	3m 48s
Test (i686-linux)	2m 18s
Test (arm-linux)	2m 11s
Test (aarch64-linux)	2m 23s
Test (arm64-macos)	3m 30s
Test (x86_64-macos)	3m 47s
Test (x86_64-mingw)	6m 18s
Test (i686-msvc)	5m 46s
Test (x86_64-msvc)	5m 15s
	1h 1m 42s

Provide feedback