可修订数字签名研究综述

发布时间：2018-10-15 19:32

【摘要】：数据的安全问题已成为关系国家经济、政治、国防、文化安全的重大问题.数字签名可验证数据内容的完整性和数据源的真实性,是保障数据安全的核心技术之一.数字签名的传统安全要求为在自适应选择消息攻击下满足存在不可伪造性.虽然数字签名的传统安全目标能满足数据认证的基本要求,但也阻碍了对已签名数据的合理操作,不能满足很多实际应用的需求.可修订签名是一类支持编辑操作的具有同态性质的数字签名.在不与签名人交互的情况下,签名持有人(修订者)可删除已签名数据中的敏感子数据,并计算修订后数据的有效签名.自2001年可修订数字签名被正式提出以来,就一直是应用密码学领域的研究热点.近年来许多国内外的学者从形式化安全定义、修订规则、计算效率、通信效率等多个方面对其进行探索研究,相继取得了一批有意义的研究成果.网络技术及其应用的快速发展在不断地对可修订数字签名提出新的要求,将从其核心算法定义、安全模型以及现有的代表性方案等方面对可修订数字签名进行概括和分析,并探讨值得进一步研究的问题.
[Abstract]:Data security has become a major issue of national economy, politics, national defense and cultural security. Digital signature can verify the integrity of data content and the authenticity of data source. It is one of the core technologies to ensure data security. The traditional security requirement of digital signature is to satisfy the unforgeability under the adaptive selection message attack. Although the traditional security target of digital signature can meet the basic requirements of data authentication, it also hinders the reasonable operation of the signed data and can not meet the needs of many practical applications. Revisable signature is a kind of homomorphic digital signature which supports editing operation. Without interacting with the signer, the signature holder (the reviser) can delete the sensitive subdata from the signed data and calculate the valid signature of the revised data. Since 2001, the revisable digital signature has been a hot topic in the field of applied cryptography. In recent years, many scholars at home and abroad have explored and studied security definitions, revised rules, computational efficiency, communication efficiency and so on, and have obtained a lot of meaningful research results. With the rapid development of network technology and its application, the new requirements of revisable digital signature are constantly put forward. The revisable digital signature will be summarized and analyzed in terms of its core algorithm definition, security model and existing representative scheme. The problems worth further study are also discussed.
【作者单位】：福建师范大学数学与信息学院;福建省网络安全与密码技术重点实验室(福建师范大学);澳大利亚迪肯大学信息技术学院;
【基金】：国家自然科学基金项目(61402110,61472083,61771140) 福建师范大学校创新团队基金项目(IRTL1207) 福建省杰出青年科学基金项目(2016J06013)~~
【分类号】：TP309

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