{"slug": "anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30", "title": "Anthropics' Claude cracks a 25-year-old NSA cryptography mystery in under 30 minutes", "summary": "Anthropic's Claude solved a 25-year-old cryptography puzzle in under 30 minutes, determining that the unexplained seeds behind NIST's standard curves for digital signatures were generated by \"lrand48,\" a simple C random number generator. The seeds had been supplied by the NSA without explanation, fueling long-standing suspicion of built-in backdoors; the finding makes deliberate backdoors far less likely.", "body_md": "Anthropic's AI model Claude has solved a 25-year-old cryptography puzzle. The mysterious seeds behind NIST's standard curves for digital signatures were provided by the NSA without explanation, raising long-standing suspicion about built-in backdoors. Claude figured out in under 30 minutes that the seeds came from \"lrand48,\" a simple C random number generator, making deliberate backdoors far less likely.\n\nThe article [Anthropics' Claude cracks a 25-year-old NSA cryptography mystery in under 30 minutes](https://the-decoder.com/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30-minutes/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30", "canonical_source": "https://the-decoder.com/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30-minutes/", "published_at": "2026-10-17 14:42:56+00:00", "updated_at": "2026-10-17 15:04:55.611309+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-research", "large-language-models"], "entities": ["Anthropic", "Claude", "NSA", "NIST"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30", "markdown": "https://wpnews.pro/news/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30.md", "text": "https://wpnews.pro/news/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30.txt", "jsonld": "https://wpnews.pro/news/anthropics-claude-cracks-a-25-year-old-nsa-cryptography-mystery-in-under-30.jsonld"}}