r/crypto

Shamir Secret Sharing + AES-GCM file encryption tool - seeking cryptographic review

I've built a practical tool for securing critical files using Shamir's Secret Sharing combined with AES-256-GCM encryption. The implementation prioritizes offline operation, cross-platform compatibility, and security best practices. # Core Architecture 1. Generate 256-bit AES key using enhanced entropy collection 2. Encrypt entire files with AES-256-GCM (unique nonce per operation) …

Join us next Thursday on June 19th at 4PM CEST for an FHE.org meetup with Alexandra Henzinger, graduate student at MIT presenting "Somewhat Homomorphic Encryption from Sparse LPN".

New Quantum Algorithm Factors Numbers With One Qubit (and all the energy of a star)

Reflections on a Year of Sunlight - by Let's Encrypt, regarding certificate transparency

A Deep Dive into Logjumps: a Faster Modular Reduction Algorithm

Rewriting SymCrypt in Rust to modernize Microsoft’s cryptographic library

The Guardian launches Secure Messaging, a world-first from a media organisation, in collaboration with the University of Cambridge - Cover traffic to obscure whistleblowing

Javascript Persisted Encryption-At-Rest

hey. im working on "yet another javascript UI framework". itas intended for my personal project and i have a need for persisted encryption at rest. my projects are largely webapps and there are nuances to cybersecurity there. so to enhance my projects, i wanted to add functionality for encrypted and …

Proofs On A Leash: Post-Quantum Lattice SNARK With Greyhound

No Phone Home - "identity systems must be built without the technological ability for authorities to track when or where identity is used"