Certificate signing request

Q: How deeply does Acing the Certified Kubernetes Administrator Exam, Second Edition cover certificate signing request?

Explains key and CSR generation, manifest fields, approval, issuance, extraction, kubeconfig use, and authorization verification.

As explained in Acing the Certified Kubernetes Administrator Exam, Second Edition

A Kubernetes CertificateSigningRequest is an API resource containing a requested certificate and the information needed to approve and issue it.

A CertificateSigningRequest (CSR) is a Kubernetes API resource containing a requested client certificate and the identity information used to authenticate with the Kubernetes API. The certificate common name identifies the user, while organization or groups identify group membership. section 3.2 section 3.4

Create and use a CSR through this administrator workflow:

Generate a private key, then create a CSR with OpenSSL; encode the CSR as base64 for the Kubernetes manifest. section 3.2
Check the request with kubectl get csr; a newly created request remains Pending until an administrator approves it. section 3.2

Create and approve Carol's client certificate

A request using CN=carol, organization developers, signerName kubernetes.io/kube-apiserver-client, and client auth usage produces a certificate for the carol user. After approval, install the issued certificate in kubeconfig and use the carol context; RBAC allows permitted pod reads but rejects pod deletion.

How Acing the Certified Kubernetes Administrator Exam, Second Edition covers it

Cover of Acing the Certified Kubernetes Administrator Exam, Second Edition

liveBook manning.com

Read Acing the Certified Kubernetes Administrator Exam, Second Edition on liveBook Get the book at manning.com

Also explained in

liveBook manning.com

Software Security for DevelopersA certificate signing request is a signed request containing a subject's identifying information and public key that is submitted to a certificate authority for certificate issuance.

Compare how 2 books explain certificate signing request →

Related concepts

certification authorityused by · A certification authority is a trusted entity that verifies identities and issues digitally signed certificates binding public keys to identities or domains.
certificateproduces · A digital certificate is a digitally signed credential that binds an identity to a public key and supports authentication or secure communication.
public keyhas part · A public key is the openly distributable component of an asymmetric cryptographic key pair, used for encryption, authentication, or signature verification.
configurationconfigured by · A specification of settings, parameters, or component relationships that determines how a system, application, model, or process is structured or operates.
private keyproduced by · A private key is the secret component of an asymmetric cryptographic key pair used by its holder for operations such as authentication, decryption, or digital signing.

This explainer was generated by Manning's knowledge graph from the text of Acing the Certified Kubernetes Administrator Exam, Second Edition. The section links point to the parts of the book it draws on.