Esempio n. 1
0
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()
	}
}
Esempio n. 2
0
func sshAgentConfig(userName string, a agent.Agent) (*ssh.ClientConfig, error) {
	signers, err := a.Signers()
	if err != nil {
		return nil, err
	}

	return &ssh.ClientConfig{
		User: userName,
		Auth: []ssh.AuthMethod{
			ssh.PublicKeys(signers...),
		},
	}, nil
}
Esempio n. 3
0
func listKeys(a agent.Agent) {
	keys, err := a.List()
	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 {
		fmt.Fprintf(w, "%02d: %s\t%s\t%s\n", i, k.Format, base64.StdEncoding.EncodeToString(k.Blob), k.Comment)
		w.Flush()
	}
}
Esempio n. 4
0
func verify(a agent.Agent, b string, sFormat string, s 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)
	}

	sigData, err := base64.StdEncoding.DecodeString(s)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	sig := &ssh.Signature{sFormat, sigData}

	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 {
		mKey := k.Marshal()
		verifyKey, err := ssh.ParsePublicKey(mKey)
		if err != nil {
			fmt.Println(err.Error())
			os.Exit(1)
		}
		ok := true
		err = verifyKey.Verify(data, sig)
		if err != nil {
			ok = false
		}
		fmt.Fprintf(w, "%02d: verified: %t\n", i, ok)
		w.Flush()
	}
}