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Improvement of the Data Authentication of CCN

CCN 데이터 인증 기술의 성능 개선 연구

  • 김대엽 (수원대학교 정보보호학과)
  • Received : 2017.05.18
  • Accepted : 2017.08.20
  • Published : 2017.08.28

Abstract

CCN proposes that intermediate network nodes on a network path for a transmitted data-packet cache the data-packet. If the nodes receive request packets for the cached data, the nodes can directly respond to the request-packets using the cached data. Since a request-packet can be responded by one of the intermediate nodes on a path of the request-packet, both faster response time and decreased data transmission amount are expected comparing to the existing host centric networking. However, CCN is vulnerable against forgery attacks because data-packet receivers cannot identify a data provider. Hence, a data authentication scheme is essentially needed to make CCN more secure. But such a data authentication process is one of the main causes of CCN-based service delays. This paper first analyzes the problems of a CCN data authentication scheme, then proposes an improved authentication operation scheme for efficiently authenticating data, and finally evaluates its performance.

Keywords

ICN;CCN;Content Cache;Data Authentication;MHT

Acknowledgement

Supported by : 한국연구재단, 수원대

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