DigiCert Blog

All posts under: Vulnerabilities

  1. Heartbleed and the Problem of NotBefore Date

    Fixing Heartbleed Vulnerability

    It is standard practice among Certificate Authorities, when re-keying an SSL certificate, to keep everything in the cert the same except for information related to the actual keys that have been changed. That includes the validity dates, which has become an issue in the past day or so as at least one tool to test…