func encryptECDSA(in, out string, key *ecdsa.PublicKey, signkey string, local, armour bool) (err error) {
message, err := ioutil.ReadFile(in)
if err != nil {
fmt.Println("[!]", err.Error())
return
}
eciesKey := ecies.ImportECDSAPublic(key)
eciesKey.Params = ecies.ParamsFromCurve(key.Curve)
box, error := ecies.Encrypt(rand.Reader, eciesKey, message, nil, nil)
if error != nil {
fmt.Println("[!]", err.Error())
return
}
pkg, err := packageBox(nil, box, armour)
if err != nil {
return
}
err = ioutil.WriteFile(out, pkg, 0644)
if err != nil {
fmt.Println("[!]", err.Error())
}
if err != nil {
fmt.Println("[!]", err.Error())
}
return
}
func decryptECDSA(in, out string, key *ecdsa.PrivateKey, verifykey string, armour bool) (err error) {
pkg, err := ioutil.ReadFile(in)
if err != nil {
fmt.Println("[!]", err.Error())
return
}
_, box, err := unpackageBox(pkg)
if err != nil {
return
}
eciesKey := ecies.ImportECDSA(key)
eciesKey.PublicKey.Params = ecies.ParamsFromCurve(key.PublicKey.Curve)
message, err := eciesKey.Decrypt(rand.Reader, box, nil, nil)
if err != nil {
fmt.Println("[!]", err.Error())
return
}
err = ioutil.WriteFile(out, message, 0644)
return
}