func sign(a agent.Agent, b string) { keys, err := a.List() if err != nil { fmt.Println(err) os.Exit(1) } data, err := base64.StdEncoding.DecodeString(b) if err != nil { fmt.Println(err) os.Exit(1) } w := new(tabwriter.Writer) // Format in tab-separated columns with a tab stop of 8. w.Init(os.Stdout, 0, 8, 0, '\t', 0) for i, k := range keys { sig, err := a.Sign(k, data) if err != nil { fmt.Println(err) os.Exit(1) } fmt.Fprintf(w, "%02d: %s %s\n", i, sig.Format, base64.StdEncoding.EncodeToString(sig.Blob)) w.Flush() } }