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An Ideal Lattice Based IBE Scheme in the Standard Model
  • ISSN号:1009-6833
  • 期刊名称:《网络安全技术与应用》
  • 时间:0
  • 分类:TP309[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术]
  • 作者机构:[1]The Institute of Information Security, Engineering Collegeof Chinese Armed Police Force, Xi an 710086, Shaanxi, China, [2]Key Laboratory of Network & Information Security,Engineering College of Chinese Armed Police Force, Xi'an710086, Shaanxi, China
  • 相关基金:Supported by the National Natural Science Foundation of China (60573036) and Funding Research Project of the Engineering College of Chinese Armed Police Force(wjy201023)
中文摘要:

在标准模型下面, IND-sID-CPA 安全 IBE (身份基于加密)计划被建议,它在戒指和 decisional R-LWE 上基于改进地板门产生功能(与错误学习戒指)假设,因此,恢复系统主人钥匙的坚硬能被减少解决 Ideal-SIS (小整数答案)到密文的问题,和攻击等价于在理想的格子上在最糟的盒子中解决 SVP (最短的向量问题)到在内一 poly 修理了(n) fa 而且,建议计划在标准模型下面从标准格子与所有已知的 IBE 计划相比有高加密和解密速度和低加密发作因素的优点。

英文摘要:

Under the standard model, an IND-slD-CPA secure IBE (Identity Based Encryption) scheme is proposed, which is based on an improved trapdoor generation function over ring and decisional R-LWE (ring-learning with errors) assumption, thus the hardness of recovering system master key can be reduced to solve the Ideal-SIS (small integer solution) problem, and the attack to the ciphertext is equivalent to solving the SVP (the shortest vector problem) in the worst case on ideal lattice to within a fixed poly(n) factor. Moreover, the proposed scheme has advantages of high encrypfion and decryption speed and low encryption blowup factor compared with all known IBE scheme from the standard lattice under the standard model.

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期刊信息
  • 《网络安全技术与应用》
  • 主管单位:中华人民共和国教育部
  • 主办单位:北京大学出版社
  • 主编:黄庆生
  • 地址:北京市海淀区成府路205号
  • 邮编:100871
  • 邮箱:wlaq-zzs@163.com
  • 电话:010-62765013
  • 国际标准刊号:ISSN:1009-6833
  • 国内统一刊号:ISSN:11-4522/TP
  • 邮发代号:2-741
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:9572