golang-examples/example-ssh/ed25519.go

29 lines
666 B
Go

// +build ignore
package main
import (
"crypto/rand"
"encoding/pem"
"io/ioutil"
"github.com/mikesmitty/edkey"
"golang.org/x/crypto/ed25519"
"golang.org/x/crypto/ssh"
)
func main() {
// Generate a new private/public keypair for OpenSSH
pubKey, privKey, _ := ed25519.GenerateKey(rand.Reader)
publicKey, _ := ssh.NewPublicKey(pubKey)
pemKey := &pem.Block{
Type: "OPENSSH PRIVATE KEY",
Bytes: edkey.MarshalED25519PrivateKey(privKey),
}
privateKey := pem.EncodeToMemory(pemKey)
authorizedKey := ssh.MarshalAuthorizedKey(publicKey)
_ = ioutil.WriteFile("id_ed25519", privateKey, 0600)
_ = ioutil.WriteFile("id_ed25519.pub", authorizedKey, 0644)
}