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[:]))
}
func registerCommand(args []string) {
fs := flag.NewFlagSet("register", flag.ExitOnError)
port := fs.Int("port", 9443, "Server port number")
fs.Usage = usageFor(fs, msgRegisterUsage)
fs.Parse(args)
args = fs.Args()
if len(args) != 1 {
fs.Usage()
exit(3)
}
server := fmt.Sprintf("%s:%d", args[0], *port)
conn, err := tls.Dial("tcp", server, &tls.Config{InsecureSkipVerify: true})
fatalErr(err)
fp := certFingerprint(conn)
fpstr := hexBytes(fp)
moleIni.Set("server", "host", args[0])
moleIni.Set("server", "port", strconv.Itoa(*port))
moleIni.Set("server", "fingerprint", fpstr)
saveMoleIni()
infof("%s", randomart.Generate(fp, "mole"))
infoln(fpstr)
okf(msgRegistered, args[0])
}
func doGenerateKeyEd25519() {
_, sk, err := ed25519.GenerateKey(rand.Reader)
log.Fatale(err, "cannot generate key")
s, err := sx.SXCanonical.String(spki.FormEd25519PrivateKey(sk))
log.Fatale(err, "cannot serialize key")
fmt.Fprintf(os.Stderr, ";; Fingerprint: %v\n;;\n", hexFormat(sk[32:64]))
fmt.Fprintf(os.Stderr, "%s", prefix(randomart.Generate(sk[32:64], " Ed25519").String()))
w, err := armor.Encode(os.Stdout, "SPKI PRIVATE KEY", map[string]string{
"Version": "Davka",
})
log.Fatale(err)
defer w.Close()
w.Write([]byte(s))
}