Most service mesh projects provide self signed CA but that is NON-STARTER for a production environment as most organizations already have their PKI system in place before they adopt any service mesh. While many service mesh projects have added the support for plugging in your intermediate CA or external PKI system, they however require persisting the intermediate or root CA’s private key as Kubernetes secrets which is a security concern for them. This talk discusses a few innovative approaches in the service mesh community to tackle this challenge and the tradeoffs among them.
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