func Sign(plaintext string) string {
secringFile, _ := os.Open("C:/Users/huangyg/Desktop/huangyg.sec")
defer secringFile.Close()
secring, _ := openpgp.ReadArmoredKeyRing(secringFile)
myPrivateKey := getKeyByEmail(secring, "*****@*****.**")
myPrivateKey.PrivateKey.Decrypt([]byte("passphrase"))
ret := ""
buf := bytes.NewBufferString(ret)
openpgp.ArmoredDetachSignText(buf, myPrivateKey, bytes.NewBufferString(plaintext), nil)
ret = buf.String()
return ret
}
// Sign signs the given message and writes the ascii armored OpenPGP signature
// to w.
func (s *gpgSigner) Sign(w io.Writer, message io.Reader) error {
return openpgp.ArmoredDetachSignText(w, s.signer, message, nil)
}