评估运输层安全性 1.3 5G跨境漫游的优化策略:全面的安全和性能分析
Jhury Kevin Lastre1, Yongho Ko1, Hoseok Kwon1
1Department of Cyber Security, Kookmin University, Seoul 02707, Republic of Korea.
Sensors (Basel, Switzerland)
|October 16, 2025
概括
新的零往返时间向前保密 (0-RTT FS) 协议确保了安全的5G漫游. 这种0-RTT FS扩展提供了完美的前向保密和重播保护,克服了运输层安全 (TLS) 中的延迟安全权衡 1.3.
科学领域:
- 电信工程 电信工程 电信工程
- 网络安全 网络安全
- 密码学 密码学 密码学
背景情况:
- 跨境5G漫游依赖于通过安全边缘保护代理 (SEPP) 的安全N32连接.
- 目前的运输层安全 (TLS) 1.3实现为漫游提供了延迟安全权衡.
- 标准的TLS 1.3优化损害了完美的前向保密 (PFS) 或引入重播漏洞.
研究的目的:
- 引入一个新的协议扩展,零往返时间转向保密 (0-RTT FS),以确保5G漫游的安全性.
- 解决现有的TLS 1.3优化在平衡性能和安全方面的局限性.
- 实现国际漫游服务的亚毫秒安全握手.
主要方法:
- 开发了0-RTT FS协议扩展.
- 使用ProVerif进行了正式验证.
- 进行了全面的绩效评估.
主要成果:
- 与不安全的0-RTT相比,0-RTT FS实现了195.0μs的握手延迟,只有17%的开销.
- 该协议提供了完全的安全保证,包括PFS和重播保护.
- 在标准TLS 1.3优化模式中识别和缓解了重播关键漏洞.
结论:
- 0-RTT FS为5G漫游提供了TLS 1.3中延迟安全性权衡的解决方案.
- 该协议可实现安全和高性能的国际移动通信.
- 为运营商提供了一个框架来配置安全的,低延迟的漫游握手.
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