func TestCrypto(t *testing.T) {
passwd := "hello world"
initKey := sha256.Sum256([]byte(passwd))
nonce := sha512.Sum512_224([]byte(passwd))
cs, err := chacha20.NewXChaCha(initKey[:], nonce[:chacha20.XNonceSize])
ds, err := chacha20.NewXChaCha(initKey[:], nonce[:chacha20.XNonceSize])
if err != nil {
t.Errorf("Bad init")
}
dst := make([]byte, len(passwd))
cs.XORKeyStream(dst, []byte(passwd))
den := make([]byte, 4)
ds.XORKeyStream(den, dst[:4])
if !bytes.Equal([]byte("hell"), den) {
t.Errorf("Bad Decoder")
}
}
func shasum(data *[]byte, algorithm string) (interface{}, error) {
var sum interface{}
switch strings.ToLower(algorithm) {
case "md5":
sum = md5.Sum(*data)
case "1":
sum = sha1.Sum(*data)
case "224":
sum = sha256.Sum224(*data)
case "256":
sum = sha256.Sum256(*data)
case "384":
sum = sha512.Sum384(*data)
case "512":
sum = sha512.Sum512(*data)
case "512224":
sum = sha512.Sum512_224(*data)
case "512256":
sum = sha512.Sum512_256(*data)
default:
return nil, errors.New("unsupported algorithm")
}
return sum, nil
}