生成psk网址：
https://www.wireshark.org/tools/wpa-psk.html
相关 bug：
重点 关注 ：
https://en.community.sonos.com/troubleshooting-228999/sonosnet-wifi-extender-for-android-problem-43413
https://forums.gentoo.org/viewtopic-t-949408-start-0.html
一般：
http://us.findeen.com/wpa_4_way_handshake_failed__pre_shared_key_may_be_incorrect.html
https://bbs.archlinux.org/viewtopic.php?id=76876
https://e2e.ti.com/support/wireless_connectivity/wilink_wifi_bluetooth/f/307/t/348400
WPA: 4-Way Handshake failed - pre-shared key may be incorrect
原文：http://www.cnblogs.com/dirt2/p/5837981.html