---
format: "aidr-story-markdown/v1"
id: "fac5a01055fd130425aa64526bf2d6cd0a0c754d23b2b8e64644650202a89fed"
canonical_url: "https://aidr.today/fac5a010?lang=en"
title: "I’ve factored the RSA keys of a Certificate Authority…from the 90s"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-09-08T04:05:34.000Z"
category: "Research"
topics: ["cryptography","rsa","factoring","security","digital-certificates"]
source_urls: ["https://mcpherrin.ca/2026/09/07/rsa.html","https://lobste.rs/s/wl0mln/i_ve_factored_rsa_keys_certificate"]
summary: "… from the 90s."
---

# I’ve factored the RSA keys of a Certificate Authority…from the 90s

> [Open the canonical story](<https://aidr.today/fac5a010?lang=en>)

**Published:** 2026-09-08T04:05:34.000Z
**Category:** Research
**Topics:** cryptography, rsa, factoring, security, digital\-certificates

## Summary

… from the 90s\.

## Sources

- [Story source](<https://mcpherrin.ca/2026/09/07/rsa.html>)
- [Discussion](<https://lobste.rs/s/wl0mln/i_ve_factored_rsa_keys_certificate>)