Verified75% confidenceFactExact time
The 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.
5
Sources
75%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Chat Control Explained: The EU's Chat Monitoring Legislation vs. Encryption Privacy
hackernewshackernews7/7/2026
Related Claims
UnverifiedSignal 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81% similarUnverifiedSignal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78% similarUnverifiedThe Signal protocol combines elliptic curve Diffie-Hellman key exchange (ECDH), the Double Ratchet algorithm, and pre-key mechanisms to ensure forward secrecy.77% similarUnverifiedMatrix 协议使用双棘轮算法（Double Ratchet Algorithm）提供端到端加密，采用开放联邦式架构，Element 为其客户端72% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/342329API
curl https://kongchang.com/api/v1/knowledge/claims/342329MCP
get_claim(id=342329)