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Another group did a talk on this at DEF CON 26 last year: https://research.kudelskisecurity.com/2018/08/16/breaking-an...

They analyzed over 340 million keys from the web.

> As part of the presentation given at DEF CON 26, one of the outputs was Kudelski Security’s Keylookup application. On this site, you can submit your own public keys and have them tested against our dataset. We will let you know if your key is vulnerable to Batch GCD and ROCA attacks. If your key is in our database, we will be able to give you an answer immediately, if it is not, you may have to wait a bit until the tests complete.

> https://keylookup.kudelskisecurity.com/




I don't think ROCA is related to the vulnerability in the article?


Correct, but the main point of their talk and research was focused on Batch GCD processing of hundreds of millions of keys, with ROCA analysis done in addition.




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