func TestSign(t *testing.T) {
data := bytes.NewReader([]byte("this is a string to sign"))
s, err := signature.Sign(privKey, data)
if err != nil {
t.Fatal(err)
}
if !bytes.Contains(s, []byte("SIGNATURE")) {
t.Error("should be a signature")
}
}
func sign(keyname, dataname string) {
privkey, err := ioutil.ReadFile(keyname)
if err != nil {
log.Fatal(err)
}
fd, err := os.Open(dataname)
if err != nil {
log.Fatal(err)
}
defer fd.Close()
sig, err := signature.Sign(privkey, fd)
if err != nil {
log.Fatal(err)
}
os.Stdout.Write(sig)
}