FIPS 140-3 sets the standard for cryptographic modules. Meeting it means every algorithm, key, and handshake follows strict government-approved rules. Falling short can block certifications, contracts, or production launches.
Helm charts make Kubernetes deployments repeatable and easy to manage. Combining them with FIPS 140-3 requires more than just toggling a flag. You must build images with FIPS-validated cryptographic libraries, confirm module integrity, and verify runtime settings across all containers.
Start by selecting a base image that has FIPS-validated OpenSSL or equivalent crypto libraries. If your cluster runs on hardened OS builds, match the kernel configuration to FIPS requirements. Inject your application into this image, keeping the crypto modules untouched.
Next, in your Helm chart, define pod templates to use these compliant images. Apply Kubernetes secrets for keys and certificates — never bake them into the image. Use ConfigMaps for runtime FIPS mode settings, making sure init containers verify crypto module integrity before workloads start.
Enable continuous compliance checks in your CI/CD pipeline. Integrate linting for Helm charts with scripts that confirm image tags, container arguments, and init validation. Deploy to a staging namespace and run automated FIPS tests to catch drift before production.
The final step: audit everything. Document image sources, Helm values, and compliance test results. Store these artifacts in a secure repository. With this in place, your Helm chart deployment can pass FIPS 140-3 checks without manual intervention.
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