Presentations Crypto·44 min
David Huerta
David Huerta explores the human factors and usability failures of cryptographic tools, demonstrating how poor UX undermines real-world privacy and key management.
cryptographyusabilityprivacy+2
Presentations Crypto
Presentations on Cryptography at DEF CON 23 covers secure messaging protocols, applied cryptographic primitives, cryptocurrency brainwallet cracking, and SSL/TLS time synchronization bypasses.
1–5 of 5 talks
Presentations Crypto·50 min
Jose Selvi
Jose Selvi demonstrates how manipulating Network Time Protocol (NTP) synchronisation allows bypassing SSL/TLS certificate expiration checks and HSTS protections.
ssltlsntp+2
Presentations Crypto·43 min
Ryan Castellucci
Ryan Castellucci details methods and high-performance tooling for auditing and cracking cryptocurrency brainwallets derived from human-generated passphrases.
cryptocurrencybrainwalletsbitcoin+2
Presentations Crypto·56 min
Eijah
Eijah provides a practical primer on applied cryptography, cipher selection, implementation pitfalls, and decentralization principles for security researchers.
cryptographyencryptionciphers+2
Presentations Crypto·50 min
Justin Engler
Justin Engler examines end-to-end encryption usability, key management, and cryptographic challenges in building secure messaging systems for mainstream users.
messagingcryptographyprivacy+2