fn credential_finalization_roundtrip()

in src/serialization/tests.rs [464:492]

• 24 lines of code
• 1 McCabe index (conditional complexity)

fn credential_finalization_roundtrip() -> Result<(), ProtocolError> {
    fn inner<CS: CipherSuite>() -> Result<(), ProtocolError>
    where
        <OprfHash<CS> as OutputSizeUser>::OutputSize:
            IsLess<U256> + IsLessOrEqual<<OprfHash<CS> as BlockSizeUser>::BlockSize>,
        OprfHash<CS>: Hash,
        <OprfHash<CS> as CoreProxy>::Core: ProxyHash,
        <<OprfHash<CS> as CoreProxy>::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
        Le<<<OprfHash<CS> as CoreProxy>::Core as BlockSizeUser>::BlockSize, U256>: NonZero,
    {
        let mut rng = OsRng;
        let mut mac = Output::<OprfHash<CS>>::default();
        rng.fill_bytes(&mut mac);

        let input = mac;

        let l3 = CredentialFinalization::<CS>::deserialize(&input)?;
        let l3_bytes = l3.serialize();
        assert_eq!(input.as_slice(), l3_bytes.as_slice());

        Ok(())
    }

    #[cfg(feature = "ristretto255")]
    inner::<Ristretto255>()?;
    inner::<P256>()?;

    Ok(())
}