# Generate RSA ```sh $ openssl genrsa -des3 -out private_rsa.pem 2048 ``` ```go b, err := ioutil.ReadFile("./private_rsa.pem") if err != nil { panic(err) } key := jwt.MustParseRSAPrivateKey(b, []byte("pass")) ``` OR ```go import "crypto/rand" import "crypto/rsa" key, err := rsa.GenerateKey(rand.Reader, 2048) ``` # Generate Ed25519 ```sh $ openssl genpkey -algorithm Ed25519 -out private_ed25519.pem $ openssl req -x509 -key private_ed25519.pem -out cert_ed25519.pem -days 365 ```