---
title: "#symmetrickey articles | Hashnode"
description: "Explore 1 articles tagged #symmetrickey on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/symmetrickey"
---

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# #symmetrickey

1 posts · 0 followers

[박서경](https://hashnode.com/@eumgil) · [Mar 17, 2025](https://hashnode.com/posts/symmetric-key-algorithm-1-des/67d8018eb432fbcc25234c57)

### [Symmetric key algorithm - (1) DES](https://psk-study.hashnode.dev/symmetric-key-algorithm-1-des?utm_source=hashnode&utm_medium=feed)

(1)Characteristics of DES Block Cipher: Encrypts data in fixed-size 64-bit blocks. Key Length: Uses a 56-bit key, making it vulnerable to brute-force attacks. Feistel Structure: Based on a Feistel network with 16 rounds of encryption . Subkeys Ge...

6 min read · [psk-study.hashnode.dev](https://psk-study.hashnode.dev/symmetric-key-algorithm-1-des?utm_source=hashnode&utm_medium=feed)