name                                       time/op
HandshakeServer/RSA-4                      1.10ms ± 0%
HandshakeServer/ECDHE-P256-RSA-4           1.23ms ± 1%
HandshakeServer/ECDHE-P256-ECDSA-P256-4     178µs ± 1%
HandshakeServer/ECDHE-X25519-ECDSA-P256-4   180µs ± 2%
HandshakeServer/ECDHE-P521-ECDSA-P521-4    19.8ms ± 1%

Change-Id: I6b2c79392995d259cfdfc5199be44cc7cc40e155
Reviewed-on: https://go-review.googlesource.com/44730Reviewed-by: Adam Langley <agl@golang.org>
Run-TryBot: Adam Langley <agl@golang.org>