Identity authentication method of internet information publisher and system thereof

The invention discloses an identity authentication method of an internet information publisher and a system thereof, mainly designed for performing the anti-fake authentication to the network information and protecting the network copyright of the network information publisher. In the invention, the identity information of a publisher and the signature information of the publisher to published content are extracted from used information through a feature extraction device and an identity authentication device provided by an internet user use information publishing platform; the extracted identity feature information of the publisher is compared with the published identity information to determine whether the identity is true or not; and the result of the signature validation is taken as the copyright ownership of the network information on the basis of real identity. The invention provides an operable basis for the network information publisher to protect the network copyright by using technical means.