Cloud Security Podcast by Google EP164 Quantum Computing: Understanding the (very serious) Threat and Post-Quantum Cryptography
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Mar 18, 2024 Exploring the looming threats of quantum computing on cryptography, the podcast delves into the urgency of adopting post-quantum algorithms. NIST standards, skepticism vs. reality in quantum computing, and proactive data safeguarding measures are discussed. The importance of discerning truth from hype and practical tips on post-quantum cryptography are highlighted.
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Quantum Threat to Cryptography
- Quantum computers breaking RSA would compromise X.509 certificates, TLS, IPSec, VPNs, and more.
- Essentially, any internet area relying on asymmetric cryptography would be affected.
Quantum Computing Basics
- Quantum computers leverage quantum effects to perform unique computations, unlike classical computers.
- The field of computational complexity helps determine which types of computers are worth building.
One-Way Functions and Quantum Threat
- The security of the internet relies on the existence of one-way functions, which are easy to compute but hard to reverse.
- Quantum computers can efficiently break these one-way functions, like RSA, posing a threat to current security.