RunAs Radio
Asymmetric Encryption with Eli Holderness
Sep 18, 2024
Eli Holderness, an expert in encryption technologies, dives into the fascinating world of asymmetric encryption. He explains the importance of public and private keys in securing communications. The conversation also highlights the looming threats of quantum computing and the need for quantum-resistant algorithms. Eli introduces newcomers like Dilithium and Kyber, discussing their potential to secure our digital future. The talk wraps up with insights on evolving encryption standards and the role of initiatives like Let's Encrypt in safeguarding online security.
38:35
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Quick takeaways
- Asymmetric encryption allows secure key exchange, facilitating the transition to faster symmetric encryption for efficient data transfer.
- Quantum computing presents challenges to current cryptographic standards, necessitating the development and adoption of post-quantum resistant encryption algorithms.
Deep dives
Understanding Symmetric Encryption
Symmetric encryption, exemplified by early methods like Caesar ciphers, relies on both parties possessing a shared secret to communicate securely. In contemporary applications, symmetric encryption is predominant, particularly for web traffic where speed is crucial. However, sharing this key securely creates a dilemma often referred to as a 'chicken and egg' problem. This is where asymmetric encryption plays a pivotal role, allowing parties to exchange keys securely before switching to the faster symmetric encryption for actual data transfer.
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