---
title: "Discussion on \"Block cipher - Modes of Operation\" | Hashnode"
description: "Discussion on \"Block cipher - Modes of Operation\". What is Mode?\nA mode of operation in cryptography refers to the method used to apply a block cipher algorithm (such as AES or DES) to encrypt or decrypt larger amounts of data. Since block ciphers operate on fixed-size blocks (e.g., 128-bit blocks in..."
url: "https://hashnode.com/posts/block-cipher-modes-of-operation/67d880e814e0c05d324b1d8a"
---

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# [Block cipher - Modes of Operation](https://psk-study.hashnode.dev/block-cipher-modes-of-operation?utm_source=hashnode&utm_medium=feed)

What is Mode? A mode of operation in cryptography refers to the method used to apply a block cipher algorithm (such as AES or DES) to encrypt or decrypt larger amounts of data. Since block ciphers operate on fixed-size blocks (e.g., 128-bit blocks in...

Mar 17, 2025 · 4 min read · psk-study.hashnode.dev  
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-   [#modes](https://hashnode.com/tag/modes)

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