基于身份的线性同型签名,用于电子商务的受限制组合者组
Yuan Tian1, Weitao Song1, Tanping Zhou2
1Information Engineering University, Zhengzhou, Henan, China.
PeerJ. Computer science
|September 24, 2025
概括
这项研究通过将中国残余定理 (CRT) 与同型签名集成来增强电子商务安全性,以防止数据滥用. 新的基于身份的线性同态签名用于受限制的组合器.
科学领域:
- 密码学 密码学 密码学 密码学
- 电子商务 安全 安全 电子商务
- 网络编码 网络编码
背景情况:
- 随着电子交易数据量不断增加,需要实时处理,推动网络编码的采用.
- 现有的同态签名确保数据完整性,但易受中间签名的恶意利用,导致带宽问题并阻碍验证.
- 在早期的网络编码实现中,伪造和数据泄露等关键安全问题被忽视了.
研究的目的:
- 通过引入使用中国残余定理 (CRT) 的秘密共享层来解决同态签名中的恶意组合.
- 为了正式定义一个基于身份的线性同态签名,为一个受限制的组合者组 (IBLHS-RCG).
- 为IBLHS-RCG开发一个专门的电子商务安全计划.
主要方法:
- 应用中国剩余定理 (CRT) 对秘密共享来限制授权用户的访问.
- 整合线性同态签名与CRT用于IBLHS-RCG框架.
- 开发和演示一种不可伪造的方案来对抗自适应选择消息攻击.
主要成果:
- 拟议的方案有效地限制了授权用户的访问,减轻了恶意组合.
- 开发的IBLHS-RCG方案已被证明是无法对抗自适应选择消息攻击的.
- 使用基于Python配对的加密库 (PYPBC) 的模拟表明签名和验证成本较低.
结论:
- 新的IBLHS-RCG方案通过将同型签名与基于CRT的秘密共享相结合来提高电子商务的安全性.
- 该计划提供强大的保护,防止数据伪造和泄露,同时保持效率.
- 这种方法为实时电子交易提供了安全和实用的解决方案.
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