func fingerprint(keyfile string, keytype string) {
var err error
if keyfile == "" {
defkey := defaultKey(keytype)
defkey += ".pub"
prompt := fmt.Sprintf("Enter file in which the key is (%s): ", defkey)
keyfile, err = ReadPrompt(prompt)
checkErr(err)
if keyfile == "" {
keyfile = defkey
}
}
pub, err := sshkey.LoadPublicKeyFile(keyfile, true)
checkErr(err)
fpr, err := sshkey.FingerprintPretty(pub, 0)
checkErr(err)
comment := pub.Comment
if comment == "" {
comment = keyfile
}
fmt.Printf("%d %s %s (%s)\n", pub.Size(), fpr, comment, strings.ToUpper(keytype))
os.Exit(0)
}
// Generate a random box key, encrypt the key to the RSA public key,
// package the box appropriately, and write it out to a file.
func encrypt(in, out, keyfile, signkey string, local, armour bool) (err error) {
pub, err := sshkey.LoadPublicKeyFile(keyfile, local)
if err != nil {
fmt.Printf("[!] failed to load the public key:\n\t%s\n",
err.Error())
return
}
switch pub.Type {
case sshkey.KEY_RSA:
err = encryptRSA(in, out, pub.Key.(*rsa.PublicKey), signkey,
local, armour)
case sshkey.KEY_ECDSA:
err = encryptECDSA(in, out, pub.Key.(*ecdsa.PublicKey), signkey,
local, armour)
default:
err = sshkey.ErrInvalidPrivateKey
fmt.Println("[!]", err.Error())
}
return
}