x509 verify params + safety fixes #986

Job	Run time
Test FIPS integration	3m 4s
clippy	1m 9s
Cross build from macOS to Linux (x86_64-unknown-linux-gnu)	2m 20s
Cross build from macOS to Linux (FIPS) (x86_64-unknown-linux-gnu)	4m 54s
rustfmt	10s
Test features	7m 16s
Test (stable)	1s
Test (arm-android)	2m 0s
Test (arm64-android)	1m 59s
Test (i686-android)	1s
Test (x86_64-android)	1s
Test (aarch64-ios)	1m 54s
Test (aarch64-ios-sim)	2m 3s
Test (x86_64-ios)	1s
Test (i686-linux)	1s
Test (arm-linux)	2m 10s
Test (aarch64-linux)	2m 9s
Test (arm64-macos)	1s
Test (x86_64-macos)	1s
Test (x86_64-mingw)	1s
Test (i686-msvc)	1m 45s
Test (x86_64-msvc)	1s
	33m 2s

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