Posts
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 on such point) ?
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 like that, without breaking the bank?
Help with Cryptohack challenge
I'm extremely novice to cryptography challenges, and more so to python. For the following course challenge: https://preview.redd.it/epptf5u2ak8f1.png?width=1206&format=png&auto=webp&s=9c52b1f9b1d2419d6451f08feef2e733db6df32f I've written the following program. https://preview.redd.it/rq0s2rm4ak8f1.png?width=971&format=png&auto=webp&s=cab457b4b04374ad8e1c00e84e45be8b656dc1f6 Is there something wrong with my approach? I've watched some videos on it but I'm stuck