Unverified50% confidenceEventExact time
Exploiting the vulnerability of private keys being small integers, an attacker can brute-force search the private key and forge certificates; the video demonstrated signing a certificate containing BBC's public key with private key 115 and passing verification on an old system.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/30/2026
First Seen
Valid until: 1/28/2027
Sources
Private Key Set to 4? CA's Elementary Mistake Leaves TLS Exposed
youtubeComputerphile10/30/2026
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