# CA

openssl genrsa 2048 > ca-key.pem
openssl req -new -x509 -nodes -days 3650 -key ca-key.pem -out ca-cert.pem -subj "/CN=MySQL CA"

# Server-Zertifikat
openssl req -newkey rsa:2048 -days 3650 -nodes -keyout server-key.pem -out server-req.pem -subj "/CN=mash4077.dedyn.io"
openssl x509 -req -in server-req.pem -days 3650 -CA ca-cert.pem -CAkey ca-key.pem -set_serial 01 -out server-cert.pem

# Client-Zertifikat
openssl req -newkey rsa:2048 -nodes -days 3650 -keyout client-key.pem -out client-req.pem -subj "/CN=MacClient"
openssl x509 -req -in client-req.pem -days 3650 -CA ca-cert.pem -CAkey ca-key.pem -set_serial 02 -out client-cert.pem