package private import ( "crypto/ed25519" "crypto/rand" "fmt" "strings" "git.sigsum.org/sigsum-go/pkg/hex" ) const privateKeySize = 64 func Main(args []string) error { if len(args) != 0 { return fmt.Errorf("trailing arguments: %s", strings.Join(args, ", ")) } _, priv, err := ed25519.GenerateKey(rand.Reader) if err != nil { return fmt.Errorf("generate key: %w", err) } if len(priv) != privateKeySize { return fmt.Errorf("invalid key size %d", len(priv)) } fmt.Printf("%s\n", hex.Serialize(priv[:])) return nil }