Yeahhh, that's a fair point about unnecessary complexity. The docs say if only one symmetric key is necessary, you can just set one of tx/rx to null, and the ot

Yeahhh, that's a fair point about unnecessary complexity. The docs say if only one symmetric key is necessary, you can just set one of tx/rx to null, and the other will still be the requisite 256 bits, but I appreciate why that's a bit ugly.