Posts
NSA cryptanalysis in the 90's
I was reading an old NSA internal publication about their reliance on HPC for cryptanalytic efforts: [https://media.defense.gov/2021/Jun/29/2002751648/-1/-1/0/NSA_AND_THE_SUPERCOMPUTER.PDF](https://media.defense.gov/2021/Jun/29/2002751648/-1/-1/0/NSA_AND_THE_SUPERCOMPUTER.PDF). My guess is it's from around 1995, as it mentions Cray Computers going bankrupt and Convex purchase by HP. On page 5 it mentions that embarrassingly parallel problems *form only a small fraction …
QFESTA, an Efficient Isogeny-Based PQC with Small Public Key and Ciphertext Size
Concern for Speed and Scalability of NIST PQC?
While I am glad that the NIST announced support for Post-Quantum Algorithms I am concerned about their performance. Speed and scalability matters in the business world because all organizations are constrained by a budget. While I was reading [CloudFlare's blog post](https://blog.cloudflare.com/nist-post-quantum-surprise/) on the speed of Dilithium, Kyber, SPHINCS+, and others …
Reason for not using Curve 448?
I will soon need to generate new PGP keypairs. I originally started with RSA 2048 in 2011, then transitioned to Curve 25519. Now, it's time to re-evaluate my choice of curve. Using GPG 2.4.5 I can access Curve 448. **Is there any reason** ***not*** **to use Curve 448?** I would …
device-to-device encryption protocol
Hello, I was looking for a device-to-device encryption protocol to secure data transfer and I decided to explore Botan and try to use session keypairs or sender key methods in c++. At the moment I'm using DH X and Ed curves but I'm planning to upgrade to Post Quantum algorithms …
Secure and Private Encrypted P2P Chat in Javascript
im working on a decentralized p2p chat app where it handles all the important cryptographic functions in browser-based javascript. the crypto functionality can be seen [here](https://github.com/positive-intentions/.github/blob/main/cryptography/Cryptography.js) (it is used as a micro frontend and loaded into the main app at runtime). the main chat app is open source for transparency …