doing a ECDH derivation seems like a low hanging fruit for native code inside extensions though, has anyone considered this? or even pushing out the entire thing to native code?

why is it, anyway, that javascript engines still don't have a native sha256 hash function? or an AES (rijndael) hash function? this seems like a really simple problem yet because they still treat browsers as dumb presentation engines while constantly overloading it with GUI logic nobody bothered to provide a fast path for this