pkg context, type CancelCauseFunc func(error) #51365
pkg crypto/ecdh, func P256() Curve #52221
pkg crypto/ecdh, func P384() Curve #52221
pkg crypto/ecdh, func P521() Curve #52221
pkg crypto/ecdh, func X25519() Curve #52221
pkg crypto/ecdh, method (*PrivateKey) Bytes() []uint8 #52221
pkg crypto/ecdh, method (*PrivateKey) Curve() Curve #52221
pkg crypto/ecdh, method (*PrivateKey) ECDH(*PublicKey) ([]uint8, error) #52221

 *  Fix: Don't create malformed URLs when `MockWebServer` is reached via an IPv6 address.
 *  Fix: Don't crash if the system default authenticator is null.
 *  Fix: Don't crash generating elliptic curve certificates on Android.
 *  Fix: Don't crash doing platform detection on RoboVM.
 *  Fix: Don't leak socket connections when web socket upgrades fail.


## Version 3.11.0

_2018-07-12_

pkg crypto/elliptic, func GenerateKey(Curve, io.Reader) ([]uint8, *big.Int, *big.Int, error)
pkg crypto/elliptic, func Marshal(Curve, *big.Int, *big.Int) []uint8
pkg crypto/elliptic, func P224() Curve
pkg crypto/elliptic, func P256() Curve
pkg crypto/elliptic, func P384() Curve
pkg crypto/elliptic, func P521() Curve
pkg crypto/elliptic, func Unmarshal(Curve, []uint8) (*big.Int, *big.Int)