WGRe:a re-encryption anonymous tunnel

LU Tian-bo1; QIN Bao-shan2; LI Yang3; DING Li1

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WGRe:a re-encryption anonymous tunnel

更新时间：2024-10-14

- WGRe:a re-encryption anonymous tunnel
- Vol. 30, Issue 4, Pages: 66-73(2009)
- 作者机构：
  
  1. 国家计算机网络应急技术处理协调中心
  2. 北京邮电大学
  3. 中国移动通信研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.08
- Published：2009
- 稿件说明：
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LU Tian-bo1, QIN Bao-shan2, LI Yang3, et al. WGRe:a re-encryption anonymous tunnel[J]. 2009, 30(4): 66-73.
DOI：

LU Tian-bo1, QIN Bao-shan2, LI Yang3, et al. WGRe:a re-encryption anonymous tunnel[J]. 2009, 30(4): 66-73. DOI：

摘要

发现了通用重加密及相关方案的脆弱性并设计了一个新的重加密方案WGRe。它能保证节点输出流的正确性并能够很好地抵抗重放攻击。与通用重加密及其扩展方案的4倍明文长相比

WGRe的密文长度仅仅是明文的2倍

提高了效率。

Abstract

The universal re-encryption scheme URE and its extension EURE were reviewed

discovering their vulnerabilities to Pfitzmann attack.Then a novel re-encryption scheme WGRe（WonGoo Re-encryption） was proposed.WGRe could en-sure the correctness of the outputs from a node and protect against replay attack

which was hard in layered encryption sys-tems.The experimental results show WGRe is practical and more efficient than URE and EURE schemes due to the fact that its ciphertext is only double the size of the corresponding plaintext

instead of four times as URE or EURE.

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Related Institution

Research Center for Information Intelligence and Information Security, Institute of Computing Technology, Chinese Academy of Sciences

国家计算机网络应急技术处理协调中心

School of Information Science and Technology,University of International Relations

School of Cyberspace Security, Beijing University of Posts and Telecommunications

School of Computer Science and Communication Engineering, Jiangsu University

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