StopGuess:使用关键字搜索进行公钥身份验证加密的框架

IF 4.1 2区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE Computer Standards & Interfaces Pub Date : 2023-11-03 DOI:10.1016/j.csi.2023.103805
Tao Xiang , Zhongming Wang , Biwen Chen , Xiaoguo Li , Peng Wang , Fei Chen
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引用次数: 0

摘要

PEKS (Public key encryption with keyword search)允许用户在不泄露密文中的关键字信息的情况下对加密后的数据进行搜索。但是它不能保护陷阱门中的关键字隐私,因为对手(例如,不受信任的服务器)可能会发起内部关键字猜测攻击(IKGA)来猜测陷阱门中的关键字。近年来,基于关键字搜索的公钥认证加密(PAEKS)已成为对抗IKGA的一种很有前途的原语。然而,现有的PAEKS方案侧重于PAEKS的具体构造,无法支持模块化构造、直观证明和灵活扩展。在本文中,我们提出的“StopGuess”是第一个实现上述功能的优雅框架。StopGuess提供了一种消除IKGA的通用解决方案,我们可以在该框架下根据不同的密码假设构造一组PAEKS方案。为了证明其可行性,我们以一种更简单和更模块化的方式提出了PAEKS的两种通用结构及其实例化(基于配对和基于格)。此外,在不增加成本的情况下,我们扩展paek以实现匿名,从而保留用户的身份;我们将其与对称加密集成在一起,以支持数据检索功能,这使得它在资源受限的应用程序中非常实用。
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StopGuess: A framework for public-key authenticated encryption with keyword search

Public key encryption with keyword search (PEKS) allows users to search on encrypted data without leaking the keyword information from the ciphertexts. But it does not preserve keyword privacy within the trapdoors, because an adversary (e.g., untrusted server) might launch inside keyword-guessing attacks (IKGA) to guess keywords from the trapdoors. In recent years, public key authenticated encryption with keyword search (PAEKS) has become a promising primitive to counter the IKGA. However, existing PAEKS schemes focus on the concrete construction of PAEKS, making them unable to support modular construction, intuitive proof, or flexible extension. In this paper, our proposal called “StopGuess” is the first elegant framework to achieve the above-mentioned features. StopGuess provides a general solution to eliminate IKGA, and we can construct a bundle of PAEKS schemes from different cryptographic assumptions under the framework. To show its feasibility, we present two generic constructions of PAEKS and their (pairing-based and lattice-based) instantiations in a significantly simpler and more modular manner. Besides, without additional costs, we extend PAEKS to achieve anonymity which preserves the identity of users; we integrate it with symmetric encryption to support data retrieval functionality which makes it practical in resource-constrained applications.

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来源期刊
Computer Standards & Interfaces
Computer Standards & Interfaces 工程技术-计算机:软件工程
CiteScore
11.90
自引率
16.00%
发文量
67
审稿时长
6 months
期刊介绍: The quality of software, well-defined interfaces (hardware and software), the process of digitalisation, and accepted standards in these fields are essential for building and exploiting complex computing, communication, multimedia and measuring systems. Standards can simplify the design and construction of individual hardware and software components and help to ensure satisfactory interworking. Computer Standards & Interfaces is an international journal dealing specifically with these topics. The journal • Provides information about activities and progress on the definition of computer standards, software quality, interfaces and methods, at national, European and international levels • Publishes critical comments on standards and standards activities • Disseminates user''s experiences and case studies in the application and exploitation of established or emerging standards, interfaces and methods • Offers a forum for discussion on actual projects, standards, interfaces and methods by recognised experts • Stimulates relevant research by providing a specialised refereed medium.
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