Linux Driver for USB WiFi Adapter using Realtek 8821AU
This is my personal attempt to let Buffalo WI-U2-433DHP working on my Raspberry Pi 2 and CentOS 7.3.1611. And, it works!
- CentOS 7.3.1611
For connecting to "eduroam" network, use the following configuration in /etc/wpa_supplicant/wpa_supplicant.conf.
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel
network={
ssid="eduroam"
scan_ssid=1
key_mgmt=WPA-EAP
eap=TLS
pairwise=CCMP
group=CCMP
phase2="auth=MSCHAPV2"
identity="<Your Email Address>"
ca_cert="<CA Certificate>"
client_cert="<Your Ceritificate>"
private_key="<Your Decrypted Private Key>"
}
You often get the certificate in form of PKCS12 in a .p12 file, for example youremail.p12. To get the required files for the above configuration, you can use the following command on Linux.
To get the "CA Certificate",
openssl pkcs12 -in youremail.p12 -nokeys -cacerts -out ca.pem
To get "Your Ceritificate",
openssl pkcs12 -in youremail.p12 -nokeys -clcerts -out youremail.crt.pem
To get "Your Decrypted Private Key",
openssl pkcs12 -in youremail.p12 -nocerts -out youremail.key.pem
openssl rsa -in youremail.key.pem -out youremail.dkey.pem
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