Accelerated algorithm in attribute-based encryption over cloud environment

Guowei WU; Ning FAN; Laifu WANG; Shuai WANG; Jun SHEN; Huamin JIN

doi:10.11959/j.issn.1000-0801.2019145

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Accelerated algorithm in attribute-based encryption over cloud environment

Operation technology wide Angle | 更新时间：2024-06-05

- Accelerated algorithm in attribute-based encryption over cloud environment
- Telecommunications Science Vol. 35, Issue 11, Pages: 101-107(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2019145
  CLC： TP309
- Published Online：2019-11，
  
  Published：20 November 2019
- 稿件说明：
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Guowei WU, Ning FAN, Laifu WANG, et al. Accelerated algorithm in attribute-based encryption over cloud environment[J]. Telecommunications science, 2019, 35(11): 101-107.
DOI：

Guowei WU, Ning FAN, Laifu WANG, et al. Accelerated algorithm in attribute-based encryption over cloud environment[J]. Telecommunications science, 2019, 35(11): 101-107. DOI： 10.11959/j.issn.1000-0801.2019145.

摘要

云计算为租户提供存储、计算和网络服务，数据安全保护和租户间的数据共享与访问控制是其必不可少的能力。基于属性的加密体制是一种一对多的加密体制，可以根据用户属性实现细粒度访问控制，适用于云计算环境多租户数据共享。但现有的基于属性加密体制的算法效率较低，难以在实际环境中应用。分析了基于属性的加密体制的两种类型及其应用场景，提出一个基于属性加密体制算法的加速方案。通过实验表明，提出的方案可提高基于属性加密体制的密钥生成算法、加密算法和解密算法的效率。

Abstract

Cloud computing provides storage

computing and network services to tenants.Data security and data sharing and access control between tenants are indispensable functions.Attribute-based encryption (ABE) system is a one to many encryption system

which allows users to fine -grained access control on encrypted data according to users’ attributes.This encryption system is very suitable for multi-tenant data sharing overcloud computing environment.However

the existing attribute-based encryption schemes is inefficient

which cannot be applied to practical applications.Two types of ABE and their application scenarios were analyzed

and an acceleration algorithms scheme in attribute encryption cryptosystem was proposed.The experiment can illustrate that the proposed scheme can improve the efficiency of key generation algorithm

encryption algorithm and decryption algorithm.

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references

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