Java實現異或加密

標籤：

    /**     * 異或加密     *     * @param strOld     *            源字串     * @param strKey     *            密鑰     * @return 加密後的字串     */    public static String encrypt(String strOld, String strKey) {        byte[] data = strOld.getBytes();        byte[] keyData = strKey.getBytes();        int keyIndex = 0;        for (int i = 0; i < strOld.length(); i++) {            data[ i] = ( byte) ( data[ i] ^ keyData[ keyIndex]);            if (++ keyIndex == keyData. length) {                keyIndex = 0;            }        }        return new String(data);    }

Java實現異或加密