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The conclusion is to stop using RSA entirely. The article argues that RSA parameters are so easy to screw up, even if you're not implementing the algorithm yourself, you're probably introducing security vulnerabilities by choosing parameters that leave you open to vulnerabilities that you've never heard of which will allow attackers to retrieve secret keys. Instead, you should use ECDSA with curve 25519. If you use that algorithm (obviously not rolling it yourself, but using a well-tested open-source implementation), you're much less likely to introduce vulnerabilities accidentally through bad parameter choices.

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