This is a software for Picture (Video) Information Hiding Encryption and Decryption.(Hollow 图片（视频）信息隐藏加解密软件)

It is a picture encryption transmission system which includes two modules, one is the transmit module called 'client', the other is the accept module called 'server'. The communcation of the two modules is based on TCP. In addition, the way of encryption is chaos encryption.