All news with #encryption tag

Tor adopts Counter Galois Onion (CGO) for relay encryption

🔐 Tor has replaced its legacy tor1 relay encryption with a new design called Counter Galois Onion (CGO) to strengthen circuit traffic confidentiality and integrity. CGO is built on a Rugged Pseudorandom Permutation (RPRP) construction named UIV+ and provides wide-block encryption, tag chaining, per-cell key updates for immediate forward secrecy, and a 16-byte authenticator that removes SHA-1. The change is currently experimental in the C Tor implementation and the Rust client Arti, will be deployed transparently to Tor Browser users, and aims to block tagging and other malleability attacks with only modest bandwidth cost.

Under Lock and Key: Strengthening Business Encryption

🔒 Encryption is a critical layer in modern data protection, safeguarding sensitive and business‑critical information both at rest and in transit. The article outlines key drivers — remote/hybrid work, explosive data growth, device loss, third‑party risks, ransomware and insider threats — that make encryption essential. It recommends robust algorithms such as AES-256, centralized management and solutions for disks, files, removable media and email, alongside minimal end‑user friction. The piece also warns that regulators and insurers increasingly expect strong encryption as part of compliance and underwriting.