r/crypto

Join us in 2 weeks on Thursday, July 17th at 3PM CEST for an FHE.org meetup with Antonio Guimarães, postdoctoral researcher at IMDEA Software Institute presenting "Fast Amortized Bootstrapping with Small Keys and Polynomial Noise Overhead".

Bug Hunt: Zero-Knowledge, Full-Paranoia, and the AI That Stares Back

Cloudflare released E2EE video calling software using MLS

Apps shouldn't let users enter OpenSSL cipher-suite strings

Why the minimal embedding field can’t be smaller than the embedding degree when the characteristic from the binary curve is large ?

I was reading [this paper](https://eprint.iacr.org/2006/415.pdf) that describe how to find an embedding field which is smaller than the one from the embedding degree. But why the method doesn’t work when the characteristic is large (I fail to understand the paper …

Join us next week Thursday on July 3rd at 2PM CEST for an FHE.org meetup with Olivier Bernard, Cryptology researcher at Zama presenting "Bootstrapping (T)FHE Ciphertexts via Automorphisms: Closing the Gap Between Binary and Gaussian Keys".

Longfellow-zk (google-zk)

Remember when recently Google made headlines announcing its privacy-preserving technology based on zero-knowledge proof for mobile digital wallets? I was granted access to their the C++ implementation code and here is my independent analysis of it.

Uncovering the Phantom Challenge Soundness Bug in Solana's ZK ElGamal Proof Program

Comments on Rijndael-256-256 and similar ciphers

Professional help for < $1000?

We periodically get developers asking for *'is it okay if I use this construction'* advice for projects that are meant to be widely used. Who exactly is available to give actual "I do this for a living" guidance to people …