Unverified50% confidenceFactExact time
Signal使用的Signal Protocol基于双棘轮算法为每条消息生成独立加密密钥，实现前向保密性
1
Sources
50%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
OpenAI向FBI举报用户：AI安全监控的边界之争
Related Claims
VerifiedThe Signal Protocol introduces the Double Ratchet algorithm to achieve forward secrecy, meaning that even if a session key is compromised, past or future messages are not affected.78% similarUnverifiedThe Signal protocol involves the Double Ratchet algorithm and X3DH key agreement, achieving forward secrecy, and has been adopted by WhatsApp and Signal.76% similarUnverifiedSignal 协议前身为 TextSecure 协议，是当前最广泛部署的端到端加密通讯协议之一76% similarUnverifiedSignal 协议综合运用了 X3DH 密钥协商算法和 Double Ratchet 双棘轮算法，实现前向保密和破坏后恢复安全性73% similar
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