In 2022 Mozilla added a root program requirement that CAs include Reason Codes when revoking public TLS certificates.  In this episode we explain the reason codes, along with some explicitly forbidden reason codes, and go into the backstory behind this requirement.

Root Causes 313: SSL Revocation Reason Codes

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.