There's a new way to break RSA that's faster than anything we've seen before
Until now, cryptographers thought factoring was the only way to break RSA. Not anymore.
For decades, the RSA cryptosystem has been viewed as a reliable foundation for security. However, the emergence of quantum computing could render its security obsolete in the near future. Recent research has unveiled a groundbreaking technique that leverages classical computing to significantly lower the current level of RSA security to an unacceptably low threshold.
Although this revelation might not pose an immediate practical threat, it could become a concern, particularly in isolated scenarios. Applying this attack to the outdated practice of using 1024-bit keys, for instance, necessitates a considerable amount of computation—beyond the capabilities of most individuals or companies, barring nation-states or entities with vast resources.
Widely adopted RSA implementations remain secure. Surprisingly, cryptographers have been taken aback by this study, as it introduces a novel method for forging signatures, effectively breaking RSA keys without the need for factoring. Most importantly, this innovative approach drastically reduces the required computing resources by significant margins.
Written by urgent.news from Ars Technica's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
