Filippo Valsorda personal blog
Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys
There is no need to update symmetric key sizes as part of the post-quantum transition, due to the details of how Grover's algorithm scales. Most authorities agree.
- Points
- 307
- HN comments
- 109
- Submissions
- 1
- Cited by
- 0 commenters
Security & PrivacyMath & Algorithms2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Apr 20, 2026 | Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys by hasheddan | 307 | 109 |
