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Explore critical vulnerabilities in public key cryptography systems through this 24-minute conference talk from Nullcon Berlin 2025. Learn how the badkeys open source tool identifies cryptographic keys with known security flaws across essential internet security protocols including DKIM (DomainKeys Identified Mail), DNSSEC (Domain Name System Security Extensions), and OpenID Connect. Discover the latest security vulnerabilities uncovered using badkeys, understanding how compromised private keys threaten the foundation of internet security infrastructure. Gain insights into the systematic identification of weak cryptographic implementations that could expose organizations and users to significant security risks. Examine real-world examples of insecure key generation and deployment across various authentication and verification systems that form the backbone of modern web security.
