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后量子时代下的网络隐私：Privacy Pass 协议面临迁移
AI summary
向抗量子密码迁移的首要任务是 TLS 等认证密钥协商协议的基础构件，否则量子计算机出现后互联网安全通信将无法实现。但如今依赖量子脆弱密码的远不止 TLS，Cloudflare 等站点用 Privacy Pass 防止滥用，通过限流单个客户端避免资源被过度占用。该协议原本旨在避免验证码带来的摩擦与隐私损失之间的取舍。
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