Technology of Information Security
|
1852-1855

New design of secure outsourcing algorithm of modular exponentiation

Zhao Zhengyu1,2
Wang Shaohui1,2
1. School of Computer Science, Nanjing University of Posts & Telecommunications, Nanjing 210003, China
2. Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China

Abstract

On account of the high computational cost of modular exponentiation, the local clients with limited resources can delegate the modular exponentiation to the cloud servers with strong computing capacity. This paper mainly studied the outsourcing algorithm of the modular exponentiation like ua(mod N), where N is the product of two large prime numbers. The method used Euler theorem to design a new modular exponentiation outsourcing scheme based on two servers model. In the process of computing and outsourcing, it guaranteed the privacy protection of base u, exponent a and calculation results for the two severs. The safety and efficiency analysis and experimental simulation show that compared with the existing schemes, the proposed new scheme has better execution efficiency and verifiability, the efficiency is higher on the client side, and the probability of verifiability of the new scheme is 1.

Foundation Support

国家自然科学基金资助项目(61872192)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.11.0613
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 6
Section: Technology of Information Security
Pages: 1852-1855
Serial Number: 1001-3695(2022)06-043-1852-04

Publish History

[2022-01-17] Accepted Paper
[2022-06-05] Printed Article

Cite This Article

赵铮宇, 王少辉. 模幂运算安全外包算法的新设计 [J]. 计算机应用研究, 2022, 39 (6): 1852-1855. (Zhao Zhengyu, Wang Shaohui. New design of secure outsourcing algorithm of modular exponentiation [J]. Application Research of Computers, 2022, 39 (6): 1852-1855. )

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  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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