电子学报2011，Vol.39Issue(7)：1613-1617,5.
普适安全的基于身份的签名机制
Universally Composable Identity-Based Signature
摘要
Abstract
Idea Functionality is the core and basic unit of Universally Composable (UC) security protocols. The first step of designing the protocols, within the Ucsecurity framework, is to extract an ideal functionality from the expected functionalities of the protocols. To appropriately define an ideal functionality we should not only protect the security of the definition, but also consider the realizability.This study investigates the security of identity-based signature (IBS) within the Ucframework,defines a realizable identity-based signature functionality F^, proves that UC-secure IBS is equivalent to conventionally-secure (EUF-CMIA -secure) IBS. As a result, we are able to make sure that the EUF-CMIA scheme can be a module in designing a complex protocol that satisfies the Ucrequirement.关键词
普适安全/理想功能/基于身份的签名机制/抗选择性消息和身份攻击Key words
universally composable (UC) security/ideal functionality/identity-based signature(IBS)/existential unforgery for adaptive chose-message and identity attack (EUF-CMIA)分类
信息技术与安全科学引用本文复制引用
王竹,戴一奇,叶顶锋..普适安全的基于身份的签名机制[J].电子学报,2011,39(7):1613-1617,5.基金项目
国家863高技术研究发展计划(No.2006AA01Z420) （No.2006AA01Z420）
