update build target

But still has mismatch in real web browse

All ciphertext and plaintext are same. But after comment out  the MbedTLS.cipher_auth_encrypt() part, test fail.

and plain cipher for aead for fun

revert d24548a04f

partially revert 421554f8ec

Hope it will resolve errors in CI.

- update mbedtls to 2.7.0, use new md5 api
- update libsodium to 1.0.16
- static link to openssl 1.1.0g, check libsscrypto repo for detail

Don't use Cname

Note: If you want to compile it by yourself, please make sure
do NOT use `no-asm` configure option, since the main point of
this commit is to utilize assembly in openssl

Add OpenSSL test

which is hardware accelerated compared to AES-GCM in mbedtls

We have to drop this commit when mbedtls support hw-accelerated GCM
when compiling with MSVC

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

to get rid of deep copy

- update NuGet pkg

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>