---
id: 4674
title: "NEAT and NES Algorithms"
source_domain: theori.io
source_url: "https://theori.io/blog/neat-and-nes-algorithms"
published_at: "2023-04-20T15:00:00Z"
tags: ["cryptography", "reverse-engineering", "block-cipher", "neat", "nes", "kisa"]
phying_url: "https://phying.com/item/4674"
lang: en
---

# NEAT and NES Algorithms

## Summary

Theori reverse-engineered NEAT and NES, two previously unpublished symmetric ciphers in South Korea's GPKI cryptography library, publishing full descriptions and working implementations.

## Intelligence Metadata

- **Sources:** theori.io
- **Published:** 2023-04-20T15:00:00Z
- **Original:** https://theori.io/blog/neat-and-nes-algorithms
- **Phying News:** https://phying.com/item/4674