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Luke Valenta

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titleconferencedate
Making PQ Signatures work in the WebPKIPost-Quantum Cryptography Conference Austin 20252025-01-15
Post‑quantum drop‑in signatures blow up TLS handshakes (hash‑based up to ~50 KB, ML‑DSA ~14–20 KB), so the proposal evaluates practical mitigations: Merkle…
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Why the Internet isn’t ready for Post-Quantum CertificatesPost-Quantum Cryptography Conference Austin 20252025-01-15
NIST standards are final and browsers ship post‑quantum key agreement, and Cloudflare reports over 30% of human connections using PQ key agreement, but…
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Monsters in the Middleboxes: Building Tools for Detecting HTTPS InterceptionBlack Hat USA 20192019-08-03
An open-source Go library called Monster-in-the-Middle Engine fingerprints TLS client hellos and compares them to HTTP User-Agent strings to flag mismatches…
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In Search of CurveSwap: Measuring Elliptic Curve Implementations in the WildBlack Hat Europe 20182018-12-03
Internet-wide ZMap scans contact 41 million IPv4 hosts and find 28.8 million supporting ECDH, with 22% of TLS servers reusing ephemeral keys and 8,000+ servers…
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DROWN: Breaking TLS Using SSLv2USENIX Security '162016-08-10
Demonstrates DROWN, a cross‑protocol exploit that uses an SSLv2 server sharing an RSA key as an oracle to decrypt modern TLS sessions. Two variants: the…
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