https://github.com/awslabs/s2n/blob/master/docs/USAGE-GUIDE.md#io-functions https://github.com/awslabs/s2n/blob/master/docs/USAGE-GUIDE.... Looks like currentl

https://github.com/awslabs/s2n/blob/master/docs/USAGE-GUIDE.md#io-functions https://github.com/awslabs/s2n/blob/master/docs/USAGE-GUIDE.... Looks like currently you must set a file descriptor (though the docs mention the possibility of using a pipe). Once an FD is set, you do control pulling/pushing data to s2n. Can you elaborate more on "not too well-performing"?