ssl connection

trying to run adi_update_tools.sh after running the latest image downloaded (2018_R1-2018_06_26.img)
root@analog:/usr/local/bin# sudo ./adi_update_tools.sh   
Unable to establish SSL connection.                                             
eth0      Link encap:Ethernet  HWaddr 00:0a:35:00:01:22                         
          inet addr:172.27.1.44  Bcast:172.27.255.255  Mask:255.255.0.0         
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1                    
          RX packets:10305 errors:0 dropped:200 overruns:0 frame:0              
          TX packets:817 errors:0 dropped:0 overruns:0 carrier:0                
          collisions:0 txqueuelen:1000                                          
          RX bytes:1513433 (1.5 MB)  TX bytes:97254 (97.2 KB)                   
          Interrupt:29 Base address:0xb000                                      
                                                                                
lo        Link encap:Local Loopback                                             
          inet addr:127.0.0.1  Mask:255.0.0.0                                   
          UP LOOPBACK RUNNING  MTU:65536  Metric:1                              
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0                   
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0                 
          collisions:0 txqueuelen:1                                             
          RX bytes:600 (600.0 B)  TX bytes:600 (600.0 B)                        
                                                                                
                                                                                
                                                                                
Network Connection: FAILED            
root@analog:~# wget --spider -nv http://github.com/analogdevicesinc             
Unable to establish SSL connection.                                             
root@analog:~# wget http://github.com/analogdevicesinc                          
--2019-01-02 04:54:49--  http://github.com/analogdevicesinc                     
Resolving github.com (github.com)... 192.30.253.112, 192.30.253.113             
Connecting to github.com (github.com)|192.30.253.112|:80... connected.          
HTTP request sent, awaiting response... 301 Moved Permanently                   
Location: https://github.com/analogdevicesinc [following]                       
--2019-01-02 04:54:54--  https://github.com/analogdevicesinc                    
Connecting to github.com (github.com)|192.30.253.112|:443... connected.         
Unable to establish SSL connection.                                             
root@analog:~#
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