istio.io/istio@v0.0.0-20240520182934-d79c90f27776/samples/jwt-server/testdata/README.MD (about) 1 # SAN Certificate Creation with OpenSSL 2 3 ### Creating CA 4 5 ``` 6 openssl genrsa -out ca.key 2048 7 8 openssl req -new -x509 -days 3650 -key ca.key -subj "/C=US/ST=AZ/O=Acme, Inc./CN=Acme Root CA" -out ca.crt 9 ``` 10 11 ### Creating Server Certificate 12 ``` 13 openssl req -newkey rsa:2048 -nodes -keyout server.key -subj "/C=US/ST=AZ/O=Acme, Inc./CN=*.com" -out server.csr 14 ``` 15 16 ### Signing Certificate with CA 17 ``` 18 openssl x509 -req -extfile <(printf "subjectAltName=DNS:jwt-server,DNS:localhost") -days 3650 -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out server.crt 19 ```