Eight Bits of Trust; eMudhra's CA keys cracked in milliseconds
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Critical CA vulnerability with high strategic impact and technical depth.
One of eMudhra's certificate authority private keys is the number 4. Not a number that starts with 4, or the number 4 followed by a few hundred random digits, just, 4... Another one is 56, and another is 115. I know, because I recovered all of them from their public certificates on my laptop just now, and it took less than a second. What happened On Saturday 17th October a security researcher reported to Apple, Google, Microsoft, Mozilla and eMudhra that the private keys for eight eMudhra intermediate certificates were compromised. Chrome pushed a CRLSet update blocking them that evening and…