Expose EchConfig for xray core client config

handshake_client.go

@@ -240,7 +240,7 @@ func (c *Conn) makeClientHello() (*clientHelloMsg, *keySharePrivateKeys, *echCli
 }
 
 type echClientContext struct {
-	config          *echConfig
+	config          *EchConfig
 	hpkeContext     *hpke.Sender
 	encapsulatedKey []byte
 	innerHello      *clientHelloMsg
@@ -683,7 +683,7 @@ func (hs *clientHandshakeState) doFullHandshake() error {
 			c.sendAlert(alertUnexpectedMessage)
 			return errors.New("tls: received unexpected CertificateStatus message")
 		}
-		
+
 		c.ocspResponse = cs.response
 
 		msg, err = c.readHandshake(&hs.finishedHash)
@@ -1013,7 +1013,7 @@ func (hs *clientHandshakeState) readFinished(out []byte) error {
 	if err := transcriptMsg(serverFinished, &hs.finishedHash); err != nil {
 		return err
 	}
-	
+
 	copy(out, verify)
 	return nil
 }