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一種異構(gòu)混合群組簽密方案的安全性分析與改進(jìn)

張玉磊 劉祥震 郎曉麗 張永潔 王彩芬

張玉磊, 劉祥震, 郎曉麗, 張永潔, 王彩芬. 一種異構(gòu)混合群組簽密方案的安全性分析與改進(jìn)[J]. 電子與信息學(xué)報, 2019, 41(11): 2708-2714. doi: 10.11999/JEIT190129
引用本文: 張玉磊, 劉祥震, 郎曉麗, 張永潔, 王彩芬. 一種異構(gòu)混合群組簽密方案的安全性分析與改進(jìn)[J]. 電子與信息學(xué)報, 2019, 41(11): 2708-2714. doi: 10.11999/JEIT190129
Yulei ZHANG, Xiangzhen LIU, Xiaoli LANG, Yongjie ZHANG, Caifen WANG. Security Analysis and Improvements of Hybrid Group Signcryption Scheme Based on Heterogeneous Cryptosystem[J]. Journal of Electronics & Information Technology, 2019, 41(11): 2708-2714. doi: 10.11999/JEIT190129
Citation: Yulei ZHANG, Xiangzhen LIU, Xiaoli LANG, Yongjie ZHANG, Caifen WANG. Security Analysis and Improvements of Hybrid Group Signcryption Scheme Based on Heterogeneous Cryptosystem[J]. Journal of Electronics & Information Technology, 2019, 41(11): 2708-2714. doi: 10.11999/JEIT190129

一種異構(gòu)混合群組簽密方案的安全性分析與改進(jìn)

doi: 10.11999/JEIT190129
基金項目: 國家自然科學(xué)基金(61163038, 61262056,61262057),甘肅省高等學(xué)校科研項目(2017A-003, 2018A-207)
詳細(xì)信息
    作者簡介:

    張玉磊:男,1979年生,博士,副教授,研究方向為密碼學(xué)與信息安全

    劉祥震:男,1991年生,碩士生,研究方向為密碼學(xué)與信息安全

    郎曉麗:女,1993年生,碩士生,研究方向為密碼學(xué)與信息安全

    張永潔:女,1978年生,碩士,副教授,研究方向為密碼學(xué)與信息安全

    王彩芬:女,1963年生,博士,教授,博士生導(dǎo)師,研究方向為密碼學(xué)與信息安全

    通訊作者:

    劉祥震 woliuxiangzhen@foxmail.com

  • 中圖分類號: TP309

Security Analysis and Improvements of Hybrid Group Signcryption Scheme Based on Heterogeneous Cryptosystem

Funds: The National Natural Science Foundation of China (61163038, 61262056, 61262057), The Higher Educational Scientific Research Foundation of Gansu Province (2017A-003, 2018A-207)
  • 摘要: 異構(gòu)混合群組簽密不僅能夠解決不同密碼體制下數(shù)據(jù)傳輸?shù)臋C密性和不可偽造性,而且還能對任意長度的數(shù)據(jù)進(jìn)行加密。該文首先分析了一種異構(gòu)密碼體制下混合群組簽密方案的安全性,指出該方案不滿足正確性、機密性和不可偽造性。并提出了一種新的高效異構(gòu)混合群組簽密方案。其次在隨機預(yù)言機模型下證明了該方案是安全的。最后效率分析表明,該方案在實現(xiàn)原方案所有的功能的基礎(chǔ)上同時降低了計算代價。
  • 圖  1  簽密階段計算效率

    圖  2  解簽密階段計算效率

    表  1  性能分析

    方案方向簽密解簽密機密性不可偽造性
    牛方案IBC→CLC(2n+7)M(2n+5)M××
    本文方案IBC→CLCP+(4+n)M3P+E+(n+2)M
    下載: 導(dǎo)出CSV

    表  2  簽密計算時間(s)

    N1002003004005006007008009001000
    牛方案0.4480.8811.3141.7472.182.6133.0463.4793.9124.345
    本文方案0.2290.4450.6620.8781.0951.3111.5291.7441.9612.177
    下載: 導(dǎo)出CSV

    表  3  解簽密計算時間(s)

    N1002003004005006007008009001000
    牛方案0.4430.8761.3091.7422.1752.6083.0413.4743.9074.340
    本文方案0.2360.4530.6690.8891.1021.3181.5351.7511.9682.184
    下載: 導(dǎo)出CSV
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出版歷程
  • 收稿日期:  2019-03-05
  • 修回日期:  2019-06-29
  • 網(wǎng)絡(luò)出版日期:  2019-07-19
  • 刊出日期:  2019-11-01

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