dockerkeys.sh

function pause(){
 clear
}

rm *.pem
rm ca.srl

read -p "Enter hostname: " HOST

echo Creating key...
openssl genrsa -aes256 -out ca-key.pem 4096
pause
echo Enter CA passphrase
openssl req -new -x509 -days 365 -key ca-key.pem -sha256 -out ca.pem

openssl genrsa -out server-key.pem 4096
openssl req -subj "/CN=$HOST" -sha256 -new -key server-key.pem -out server.csr

pause

echo Please enter the hosts for the certificate
echo in the format of: "IP:X,IP:X"
read -p "HOSTS: " HOSTS
echo subjectAltName = DNS:$HOST,$HOSTS >> extfile.cnf
echo extendedKeyUsage = serverAuth >> extfile.cnf

pause
echo Enter CA passphrase
openssl x509 -req -days 365 -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem \
  -CAcreateserial -out server-cert.pem -extfile extfile.cnf

openssl genrsa -out key.pem 4096
openssl req -subj '/CN=client' -new -key key.pem -out client.csr
echo extendedKeyUsage = clientAuth > extfile-client.cnf
pause
echo Enter CA passphrase
openssl x509 -req -days 365 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem \
  -CAcreateserial -out cert.pem -extfile extfile-client.cnf

pause
echo Finishing setup...
rm -v client.csr server.csr extfile.cnf extfile-client.cnf
chmod -v 0400 ca-key.pem key.pem server-key.pem
chmod -v 0444 ca.pem server-cert.pem cert.pem
echo Done!