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Key Establishment Scheme for Multicast CoAP Security
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멀티캐스트 CoAP 보안을 위한 키 설정 기법

논문 기본 정보

Type
Academic journal
Author
Cho, Jung mo (단국대학교/컴퓨터학과 소프트웨어보안) Han, Sang woo (단국대학교/컴퓨터학과 소프트웨어보안) Park, Chang seop (단국대학교/소프트웨어학과)
Journal
한국융합보안학회 융합보안논문지 융합보안논문지 제17권 제5호 KCI Accredited Journals
Published
2017.1
Pages
77 - 85 (9page)

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Key Establishment Scheme for Multicast CoAP Security
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In this paper, we propose a key establishment scheme for multicast CoAP security. For multicast CoAP applications, a CoAP Request message from a CoAP client is sent to a group of CoAP servers while each CoAP server responds with a unicast CoAP Response message. In this case, the CoAP Request message should be secured with a group key common to both the CoAP client and servers, while a pairwise key(unicast key) should be employed to secure each CoAP Response message. In the proposed protocol, the CoAP client and the CoAP server establish the group key and the pairwise key using the ECDH in the initial CoAP message exchange process. The proposed protocol, which is highly efficient and scalable, can replace DTLS Handshake and it can support end-to-end security by setting pairwise keys.

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