Feistel Networks — The Classic Blueprint Behind DES
Автор: Fearless in Rust
Загружено: 2025-12-04
Просмотров: 68
Описание:
Feistel networks are the backbone of classic block ciphers like DES and 3DES — cryptographically obsolete, but conceptually foundational.
In this video, you'll learn:
How Feistel rounds work
Why XOR and swapping make it reversible
How to implement both encryption and decryption in Rust
Why this structure was once state-of-the-art
📚 This lesson is part of Sealed in Rust — my hands-on book for building and understanding cryptography in Rust:
https://vinecksie.github.io/sealed-in...
0:00 intro
1:11 encryption explanation
3:15 encryption coding
8:29 decryption explanation
10:47 decryption coding
14:43 summary
#rustlang #cryptography #feistel #blockcipher #rustcrypto #sealedinrust
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