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titleconferencedate
Finding insecure cryptographic keys in DKIM, DNSSEC, OpenID Connect & elsewhereNullcon Berlin 20252025-09-04
An open source scanner named badkeys automatically harvests keys from GitHub, firmware, DNS records and mailing‑list archives, normalizes many key formats and…
Talk on
Return Of Bleichenbacher’s Oracle Threat (ROBOT)USENIX Security '182018-08-15
Large-scale scans of TLS servers find real Bleichenbacher oracles: almost a third of the top 100 domains and many in an Alexa Top 1M sweep are affected…
Talk on
Nonce-Disrespecting Adversaries: Practical Forgery Attacks on GCM in TLSBlack Hat USA 20162016-08-03
Investigates GCM nonce misuse in TLS, demonstrates a Joux-style forgery that recovers the GCM authentication subkey when an 8‑byte nonce repeats, and builds a…
Talk on
Public DomainEasterhegg 20102010-04-02
Argues for releasing more digital works entirely without restrictions by using public domain dedication rather than restrictive free licenses. Discusses the…
Talk in German on
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