Abstract
With the rapid development of digital library as well as the increasing rich digital resources, especially special digital resources and digital heritage resources, digital library is a convenient way to provide a variety of digital resources services for different readers, however it also becomes an aim by hot linking activities. So, how to ensure the provided digital resources services not being hot linked becomes an important and urgent problem. This paper introduces a primary anti-leech technologies and Browser Helper Objects technology, presents an anti-leech method based on Cookies and Browser Helper Objects, and brings in the Public-key cryptography and the session key to ensure the security of the interaction information transmitting.
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