Abstract：The digitization of information media provides a lot convenience for the information preservation and extraction.
With the development of digital media transfer space expanding, the transfer time has been shorted. Digital products are easily infringed,
pirated or juggled in the process of transmission. This paper aims at protecting the image information, the ownership of
copyright and content integrity, uses the LSB technology to solve the problem of image information authentication, to realize the
function of protecting the copyright of the digital information.
2015, Vol. 1 
