Topic: forward secrecy
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Tor Upgrades Onion Relay Encryption with New Algorithm
The Tor network has upgraded its encryption from the outdated tor1 system to Counter Galois Onion (CGO), enhancing protection against modern threats like tagging attacks and improving anonymity and data integrity for users. CGO addresses specific vulnerabilities in tor1 by providing immediate for...
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Signal's Post-Quantum Encryption: An Engineering Marvel
Signal's Double Ratchet protocol ensures robust confidentiality by continuously refreshing encryption keys during all interactions, preventing decryption of past messages even if a current secret is compromised. The protocol begins with an initial handshake, recently upgraded to PQXDH, which esta...
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