# There's a new way to break RSA that's faster than anything we've seen before

Published: 2026-09-24 · Updated: 2026-09-24 · Category: Research

Source page: https://www.sipply.dev/story/theres-a-new-way-to-break-rsa-thats-faster-than-anything-e63e37f7 · 中文: https://www.sipply.dev/zh/story/theres-a-new-way-to-break-rsa-thats-faster-than-anything-e63e37f7

## Summary

Recent research has unveiled a groundbreaking method for breaking RSA cryptosystems, which are widely used for secure data transmission. This new approach leverages classical computing techniques to significantly reduce the time and resources needed to compromise RSA keys. While the immediate threat level remains low, the implications for cryptographic security are profound, particularly concerning the potential for signature forgery. This development has caught the attention of cryptographers, who are now reassessing the robustness of RSA in light of these findings.

## Key takeaways

- A new method for breaking RSA cryptosystems has been developed, utilizing classical computing.
- The new approach significantly lowers the resource requirements for compromising RSA keys.
- While the threat is not immediate, the potential for signature forgery raises concerns about RSA's security.

## Why it matters

This research highlights vulnerabilities in widely used cryptographic systems, prompting a reevaluation of security measures in digital communications. As RSA is foundational to many security protocols, this could lead to a shift in how encryption is approached.

- **Product managers:** Product managers should be aware of this development as it may necessitate updates to security features in products that rely on RSA, ensuring that user data remains protected against emerging threats.
- **Developers:** Developers and engineers need to stay informed about this new method for breaking RSA, as it may influence the choice of cryptographic algorithms in future projects and necessitate the implementation of stronger alternatives.
- **Students and job seekers:** For students and job-seekers, understanding these advancements in cryptography is crucial, as it highlights the importance of security in technology and may open up new career opportunities in cybersecurity and cryptographic research.

## Sources

- [There's a new way to break RSA that's faster than anything we've seen before](https://arstechnica.com/security/2026/09/theres-a-new-way-to-break-rsa-thats-faster-than-anything-weve-seen-before) (Ars Technica AI, 2026-09-24)

## 中文

### 一种比以往更快的破解RSA的新方法

最近的研究揭示了一种突破RSA密码系统的开创性方法，该系统广泛用于安全数据传输。这种新方法利用经典计算技术显著减少了破解RSA密钥所需的时间和资源。尽管当前威胁水平仍然较低，但对密码安全的影响深远，特别是关于签名伪造的潜在风险。这一发展引起了密码学家的关注，他们正在重新评估RSA的稳健性。

**要点：**

- 开发了一种新的破解RSA密码系统的方法，利用经典计算。
- 这种新方法显著降低了破解RSA密钥所需的资源。
- 尽管威胁并不立即，但签名伪造的潜在风险引发了对RSA安全性的担忧。

**为什么重要：** 这项研究突显了广泛使用的密码系统中的漏洞，促使对数字通信安全措施的重新评估。由于RSA是许多安全协议的基础，这可能导致加密方法的转变。

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