Tor Project Blog company blog

Counter Galois Onion: Improved encryption for Tor circuit traffic

Tor is upgrading its relay encryption algorithm for improved security. In upcoming releases, Arti and Tor will both support a new encryption algorithm called Counter Galois Onion (CGO). CGO prevents attackers from tampering with encrypted traffic, adds forward secrecy, and brings Tor's encryption up to modern…
Points
104
HN comments
31
Submissions
1
Cited by
0 commenters

Security & PrivacyNetworking & Internet2025

On Hacker News

SubmittedTitle on HNPointsComments
Nov 25, 2025Counter Galois Onion: Improved encryption for Tor circuit traffic by wrayjustin10431

More from Tor Project Blog

All 75 posts →

Related posts from the same era