Exemple #1
0
func doKeyInfo() {
	b, err := ioutil.ReadFile(*kiFilename)
	log.Fatale(err, "cannot read keyfile")

	var sk [64]byte
	isPrivate, err := spki.LoadKeyFile(bytes.NewReader(b), &sk)
	log.Fatale(err, "cannot decode keyfile")

	if isPrivate {
		fmt.Fprintf(os.Stderr, ";; Ed25519 Private Key\n")
	} else {
		fmt.Fprintf(os.Stderr, ";; Ed25519 Public Key\n")
	}
	fmt.Fprintf(os.Stderr, ";; Fingerprint: %v\n", hexFormat(sk[32:64]))
	fmt.Fprintf(os.Stderr, ";; Fingerprint (b32): %v\n", spki.EncodeB32(sk[32:64]))
	fmt.Fprintf(os.Stderr, "%s", prefix(randomart.Generate(sk[32:64], " Ed25519").String()))

	var cpk [32]byte
	var edpub [32]byte
	copy(edpub[:], sk[32:64])
	if !extra25519.PublicKeyToCurve25519(&cpk, &edpub) {
		log.Fatal("Cannot derive Curve25519 public key.")
	}

	fmt.Fprintf(os.Stderr, ";; Curve25519 Fingerprint: %v\n", hexFormat(cpk[:]))
	fmt.Fprintf(os.Stderr, ";; Curve25519 Fingerprint (b32): %v\n", spki.EncodeB32(cpk[:]))
}
Exemple #2
0
func TestB32(t *testing.T) {
	const c = "rtum6hh5iddpaytvcqq4akx6dem4p66tb4dcrp4avssymxmkkvka"

	b, err := spki.DecodeB32(c)
	if err != nil {
		t.Fatalf("error: %v", err)
	}

	s := spki.EncodeB32(b)
	if s != c {
		t.Fatalf("mismatch")
	}
}