EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Sep 8·5 min read
I've factored the RSA keys of a Certificate Authority from the 90s
TL;DR
RSA keys from a 90s Certificate Authority were successfully factored, highlighting vulnerabilities in older cryptographic standards. This raises concerns about the security of legacy systems still in use today.
✦ Why It Matters
Review and upgrade any legacy systems using outdated RSA keys to enhance security against potential attacks.
Key Takeaways
- Identify and upgrade any legacy systems using small RSA keys.
- Consider the implications of quantum computing on current encryption methods.
- Utilize modern cryptographic standards to ensure data security.
- Experiment with cryptographic tools like CADO-NFS for educational purposes.
How It Works
The author used the CADO-NFS tool to factor the 512-bit RSA keys, which involves finding the two prime numbers that multiply to form the semiprime. This process exploits the mathematical properties of RSA encryption, where the security relies on the difficulty of this factorization.