The researcher found the keys by searching through billions of public keys that he had access to. He also looked at keys that were shared with him by other researchers and keys that were available through certificate transparency programs.
Some 10,000 servers that use the DNSSEC specification to cryptographically protect domain name system records against tampering rely on a 512-bit key, the researchers estimate. The number of 512-bit keys used to remotely access servers and computers with the SSH protocol was 508, and the number of DomainKeys Identified Mail (DKIM) keys used to prevent e-mail spoofing was 108, or almost one percent of those found online. The weak DKIM keys are significant given the massive amount of awareness they received three years ago.
Bloomberg Access Key Keygenl
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