FIPS compatibility #26

Job	Run time
clippy	2m 27s
rustfmt	10s
cargo-careful	1m 35s
build-wasm (1.83.0, wasm32-unknown-unknown)	23s
build-wasm (stable, wasm32-unknown-unknown)	18s
slow-tests (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	2m 44s
test-and-coverage	43s
slow-tests (x86_64-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	3m 3s
	11m 23s

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