private void checkAndSetSalt(final String salt) {
if (TextUtils.isEmpty(salt)) {
this.salt = CryptoHelper.getRandomBytes(AESCrypto.SALT_SIZE_DEFAULT);
} else {
this.salt = CryptoHelper.getRawBytes(salt);
}
}
private void checkAndSetIV() {
this.iv = CryptoHelper.getRandomBytes(AESCrypto.IV_SIZE_DEFAULT);
}