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Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys

🛡️ Quantum Computers and 128-Bit Symmetric Keys: No Threat Here



Quantum computers aren't a threat to 128-bit symmetric keys; these keys remain secure due to their robust encryption strength, which can't be feasibly cracked by quantum computing power. This matters because it means current encryption methods, like AES-128, are expected to withstand the rise of quantum computing without needing immediate upgrades.

8:05 pm, April 20, 2026

guid

https://news.ycombinator.com/item?id=47836784

source_url

https://words.filippo.io/128-bits/

author_name

hasheddan

id: 2021
uid: s2eAw
insdate: 2026-04-20 20:05:21
title: Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys
additional:

🛡️ Quantum Computers and 128-Bit Symmetric Keys: No Threat Here



Quantum computers aren't a threat to 128-bit symmetric keys; these keys remain secure due to their robust encryption strength, which can't be feasibly cracked by quantum computing power. This matters because it means current encryption methods, like AES-128, are expected to withstand the rise of quantum computing without needing immediate upgrades.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47836784
source_url: https://words.filippo.io/128-bits/
updated:
image:
author_name: hasheddan
author_link:
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