Weak keys

  • "RSA key strength - Use an SSL certificate has an RSA key size of 2048 bits or larger."
  • "ECC key strength - Use an SSL certificate has an ECC key size of 233 bits or larger."

Problem

Continued use of weak keys in certificates puts your clients' sensitive data at risk. Exhaustive key searches/brute force attacks against certificates with weak keys are a danger to network security.

As computational power increases so does the need for stronger keys. The current acceptable key strength for an RSA (Rivest-Shamir-Adleman) key is 2048 bits. DigiCert only issues certificates with an RSA key of 2048 bits or higher. The current acceptable key strength for an ECC (Elliptical Curve Cryptology) key is 233 bits.

Solution

Reissue or renew your certificates using either an RSA key of 2048 bits (or higher) or an EEC key of 233 bits (or higher).

About

DigiCert is the world’s premier provider of high—assurance digital certificates—providing trusted SSL, private and managed PKI deployments, and device certificates for the emerging IoT market. Since our founding almost fifteen years ago, we’ve been driven by the idea of finding a better way. A better way to provide authentication on the internet. A better way to tailor solutions to our customer’s needs. Now, we’ve added Symantec’s experience and talent to our legacy of innovation to find a better way to lead the industry forward, and build greater trust in identity and digital interactions.

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