Contents I. Introduction
Mobile education refers to the movement of the study area or the use of mobile learning tools implement education, the corresponding user group also has mobility. Under this environment in order to safeguard the rights and interests of the users, to identify users legal information is indispensable link. Two dimensional barcode identification authentications is a common way, it has a series of superiority such as high information capacity, high reliability, and supports multiple error correction level. It is a concise and cheap way of information storage. In specific encoding rules, the two-dimensional bar code technology can compress numbers, text and image data sources into geometry image. Decoding device in reading this graphics can restore this graphics into the corresponding original data according to the appropriate decoding algorithm.
