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In this paper, the authors proposed a system architecture in which contents are distributed and stored in each local network caching server by building a CDN system in contents distribution networks. Also, this paper designed the DRM server and the D-DRM module in order to safely perform the contents request of users. In addition, this paper performed a lightening process for the existing OPENSSL for supporting safe data transmission between distributed DRM modules. Also, this paper designed an optimized ICN-OPENSSL module by replacing the existing OPENSSL with the encryption algorithm designed in this paper.
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