小编And*_*rov的帖子

如何在C中实现它？

openssl req -new -key cert.key -out cert.csr

openssl x509 -req -in cert.csr -CA rootCA.crt -CAkey rootCA.key -CAcreateserial -out cert.crt -days 5000

为什么ping6在我的Android dev上不起作用？

Android dev上的ping6.

bullhead:/ # ping6 fe80::405a:e0a5:e054:cbde
connect: Invalid argument
2|bullhead:/ # ping6 -I wlan0 fe80::405a:e0a5:e054:cbde                                                                                                                                                           
PING fe80::405a:e0a5:e054:cbde(fe80::405a:e0a5:e054:cbde) from fe80::7af8:82ff:fea2:3210 wlan0: 56 data bytes
ping: sendmsg: Invalid argument
^C
--- fe80::405a:e0a5:e054:cbde ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

1|bullhead:/ # ping6 -I wlan0 fe80::405a:e0a5:e054:cbde@20                                                                                                                                                        
unknown host

Android dev上的ifconfig.

wlan0     Link encap:Ethernet  HWaddr 78:f8:82:a2:32:10
          inet addr:192.168.0.101  Bcast:192.168.0.255  Mask:255.255.255.0 
          inet6 addr: fe80::7af8:82ff:fea2:3210/64 Scope: Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5174 errors:0 dropped:0 overruns:0 …