OpenSSL

Generate private keys, CSRs, and self-signed certificates with OpenSSL.

Updated Jan 15, 2026
One-click install
npx skills add https://github.com/KaiserWhoLearns/skillsbench --skill openssl-kaiserwholearns
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: OpenSSL
Source: https://github.com/KaiserWhoLearns/skillsbench/tree/main/registry/terminal_bench_2.0/terminal_bench_2_0_openssl-selfsigned-cert/environment/skills/openssl
Command: npx skills add https://github.com/KaiserWhoLearns/skillsbench --skill openssl-kaiserwholearns

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides expert, step-by-step guidance for OpenSSL operations, helping users generate keys, create CSRs, sign certificates, and verify PKI workflows without confusion.

Core Features & Use Cases

  • Key and certificate lifecycle guidance: private keys, CSR creation, self-signed and CA-signed certs, and certificate verification.
  • PKI and TLS operations: certificate chaining, SANs, CSR configurations, and basic security best practices.
  • Use Case: When deploying a web service, use these commands to generate a private key, create a CSR for your certificate, and verify the resulting certificate chain.

Quick Start

Follow the OpenSSL guide to generate a private key, CSR, and self-signed certificate for a sample PKI setup.

Frequently Asked Questions about OpenSSL

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a private key and create a CSR with OpenSSL?

To generate a private key and create a CSR with OpenSSL, execute the standard OpenSSL key generation commands followed by CSR creation instructions to fulfill practical PKI workflow requirements for your test domain.

What is the process to issue a self-signed certificate for a test domain?

Issuing a self-signed certificate for a test domain involves executing OpenSSL operations to sign a certificate after generating a private key and CSR, applying this guidance to TLS workflows in development or staging environments.

How does certificate verification work in a PKI workflow?

Certificate verification in a PKI workflow validates certificate chaining and confirms trust. OpenSSL executes standard verification commands to check the resulting certificate chain and ensure proper TLS configuration.

Can I use OpenSSL commands for staging environment TLS setup?

Yes, you can use OpenSSL commands for staging environment TLS setup. The operations apply directly to TLS and PKI workflows in development or staging environments, including key management and certificate verification scenarios.

What's the best way to configure certificate chaining and SANs for a web service?

The best way to configure certificate chaining and SANs for a web service is using OpenSSL CSR configurations. This guides PKI and TLS operations with basic security best practices for proper certificate deployment.

Why do I need to verify the resulting certificate chain when deploying a web service?

Verifying the resulting certificate chain when deploying a web service ensures proper TLS trust. OpenSSL verification commands confirm the certificate chain validates correctly, preventing security issues in staging or development environments.