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A Node Mobility-based Adaptive Route Optimization Scheme for Hierarchical Mobile IPv6 Networks  

황승희 (고려대학교 컴퓨터학과)
이보경 (한국산업기술대학교 컴퓨터공학과)
황종선 (고려대학교 컴퓨터학과)
한연희 (삼성종합기술원)
Abstract
The secret sharing is the basic concept of the threshold cryptosystem and has an important position in the modern cryptography. At 1995, Jarecki proposed the proactive secret sharing to be a solution of existing the mobile adversary and also proposed the share renewal scheme for (k, n) threshold scheme. For n participants in the protocol, his method needs O($n^2$) modular exponentiation per one participant. It is very high computational cost and is not fit for the scalable cryptosystem. In this paper, we propose the efficient share renewal scheme that need only O(n) modular exponentiation per participant. And we prove our scheme is secure if less that ${\frac}\frac{1}{2}n-1$ adversaries exist and they static adversary.
Keywords
Mobile IPv6; Hierarchical Mobile IPv6; Packet delivery; Route optimization; profile management;
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