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Root Causes: A PKI and Security Podcast

Root Causes: A PKI and Security Podcast

Hosted by Tim Callan and Jason Soroko

TechnologyInterviews guests

Episodes

657

Latest episode

Aug 2026

Language

EN

About the show

Digital certificate industry veterans Tim Callan and Jason Soroko explore the issues surrounding digital identity, PKI, and cryptographic connections in today's dynamic and evolving computing world. Best practices in digital certificates are continually under pressure from technology trends, new laws and regulations, cryptographic advances, and the evolution of our computing architectures to be more virtual, agile, ubiquitous, and cloud-based. Jason and Tim (and the occasional guest subject matter expert) will help you stay current on developments in this essential technology platform and to understand the whys and wherefores of popular Public Key Infrastructures.

Listen to episodes

60 recent
August 24, 20261 min

Root Causes 657: What Is Chaos Engineering?

"Chaos engineering" describes the practice of injecting faults into a system to see what happens. This is a known strategy for deterministic systems, but with the advent of non-deterministic AI systems, chaos engineering has taken on greater importance.

August 21, 20266 min

Root Causes 656: The Trouble with Recursive AI Training

Since frontier-model AIs have been trained on a large portion of published human knowledge, widespread publication of incorrect information can taint AI results. As more AI-generated slop finds its way onto the internet, this runs the risk of further poisoning AI results. This ultimately can result in completely unusable information.

August 19, 20265 min

Root Causes 655: Why Not to Create Your Own Private CA

It is possible to use common tools like OpenSSL to create your own ML-DSA private CA. This is a great tool for development and research projects, but Jason explains the pitfalls with trying to do this for production systems.

August 17, 20267 min

Root Causes 654: What's the Difference Between ML-DSA and ML-KEM?

We are replacing RSA with the combination of ML-DSA and ML-KEM. We explain the naming convention and specifically what these two algorithms do.

August 14, 20267 min

Root Causes 653: Post Quantum Civilization

Jason explains de-quantization, which is the practice of using our knowledge of how to use a quantum computer to reframe problems for processing using traditional computing architecture.

August 12, 202610 min

Root Causes 652: Choosing WebPKI Deprecation Dates

There is no CABF or root program rule preventing public CAs from implementing new requirements earlier than their assigned due dates. We discuss reasons to implement a rule early and how early it should be.

August 10, 20265 min

Root Causes 651: Look at a Calendar

It is surprising that we continue to see root expirations occur at the most inopportune times. Weekends, public holidays, even New Year's Eve. In this episode we have simple advice to anybody setting up a new root, which is "look at a calendar."

August 7, 20267 min

Root Causes 650: Is It Time to Stop Saying SSL?

SSL hasn't been a standard in use for nearly thirty years, but we still use the word. We discuss why that is, what else we might say, and the expected effect of Merkle Tree Certificates (MTC) on our technical vocabulary.

August 5, 202611 min

Root Causes 649: Client Authentication Certificate Use Cases

With the upcoming deprecation of client authentication using publicly trusted TLS certificates, we go over the common use cases for these certificates. We discuss the reasons public trust is often chosen and how to transition away from it.

August 3, 202621 min

Root Causes 648: Claude Mythos Discovers New HAWK and AES Attacks

Anthropic recently announced that Mythos has found mathematical weakness in the core algorithm for the third-round NIST PQC candidate HAWK, effectively halving its effective key strength. Mythos also developed a faster attack on a round-reduced version of AES-128. These are not implementation attacks but mathematical attacks on the core cryptography. We discuss the massive implications of these developments.

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