result :=make([]byte,16) crypter := cipher.NewCBCEncrypter(block, result) crypter.CryptBlocks(masterKey[:16], masterKey[:16]) crypter = cipher.NewCBCEncrypter(block, result) crypter.CryptBlocks(masterKey[16:], masterKey[16:]) } tmp := sha256.Sum256(masterKey) masterKey = tmp[:] m...