About

Imported from mukul975/anthropic-cybersecurity-skills (skills/performing-ssl-certificate-lifecycle-management/SKILL.md). Install upstream with npx skills add mukul975/anthropic-cybersecurity-skills --skill performing-ssl-certificate-lifecycle-management. Copyright stays with the author (Apache-2.0).

Performing SSL Certificate Lifecycle Management

Name: performing-ssl-certificate-lifecycle-management
Author: mukul975

Overview

SSL/TLS certificate lifecycle management encompasses the full process of requesting, issuing, deploying, monitoring, renewing, and revoking X.509 certificates. Poor certificate management is a leading cause of outages and security incidents. This skill covers automating the entire certificate lifecycle using Python and ACME protocol tools.

When to Use

When conducting security assessments that involve performing ssl certificate lifecycle management
When following incident response procedures for related security events
When performing scheduled security testing or auditing activities
When validating security controls through hands-on testing

Prerequisites

Familiarity with cryptography concepts and tools
Access to a test or lab environment for safe execution
Python 3.8+ with required dependencies installed
Appropriate authorization for any testing activities

Objectives

Generate Certificate Signing Requests (CSRs) programmatically
Parse and validate X.509 certificates
Monitor certificate expiration across infrastructure
Automate renewal using ACME protocol (Let's Encrypt)
Implement certificate revocation checking (CRL and OCSP)
Track certificate inventory across multiple domains

Key Concepts

Certificate Lifecycle Stages

Request: Generate key pair and CSR
Issuance: CA validates and issues certificate
Deployment: Install certificate on servers
Monitoring: Track expiration and health
Renewal: Request new certificate before expiry
Revocation: Invalidate compromised certificates

Certificate Types

Type	Validation	Use Case
DV (Domain Validation)	Domain ownership	Websites, APIs
OV (Organization Validation)	Domain + org identity	Business sites
EV (Extended Validation)	Full legal verification	E-commerce, banking
Wildcard	*.domain.com	Multi-subdomain
SAN/UCC	Multiple domains	Multi-domain hosting

Security Considerations

Set up automated monitoring for all certificates
Use ECDSA (P-256) certificates for better performance over RSA
Enable OCSP stapling on all servers
Implement Certificate Transparency log monitoring
Maintain inventory of all certificates and their locations
Plan for CA compromise scenarios (key pinning, backup CAs)

Validation Criteria

CSR generation produces valid PKCS#10 request
Certificate parsing extracts all relevant fields
Expiration monitoring detects certificates within threshold
Certificate chain validation verifies trust path
OCSP checking detects revoked certificates
Certificate inventory tracks all deployed certificates

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/mukul975-anthropic-cybersecurity-skills-performing-ssl-c-65f643/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

mukul975-anthropic-cybersecurity-skills-performing-ssl-c-65f643.ocm.jsonjson

{
  "ocm": "1",
  "id": "mukul975-anthropic-cybersecurity-skills-performing-ssl-c-65f643",
  "kind": "skill",
  "name": "performing-ssl-certificate-lifecycle-management",
  "description": "Automates the full SSL/TLS certificate lifecycle, including generating Certificate Signing Requests, issuing, deploying, monitoring, renewing, and revoking X.509 certificates, using Python and ACME protocol tools. Use when managing certificate issuance or renewal, preventing certificate-expiry outages, or building automated PKI/ACME workflows.",
  "publisher": "mukul975",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "skill-md",
      "cryptography",
      "ssl",
      "certificates",
      "pki",
      "tls",
      "key-management",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Automates the full SSL/TLS certificate lifecycle, including generating Certificate Signing Requests, issuing, deploying, monitoring, renewing, and revoking X.509 certificates, using Python and ACME protocol tools. Use when managing certificate issuance or renewal, preventing certificate-expiry outages, or building automated PKI/ACME workflows."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/mukul975/anthropic-cybersecurity-skills",
      "path": "skills/performing-ssl-certificate-lifecycle-management/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/mukul975/anthropic-cybersecurity-skills/blob/HEAD/skills/performing-ssl-certificate-lifecycle-management/SKILL.md",
      "key": "mukul975/anthropic-cybersecurity-skills/skills/performing-ssl-certificate-lifecycle-management/SKILL.md"
    },
    "license": "Apache-2.0"
  },
  "instructions": "# Performing SSL Certificate Lifecycle Management\n\n## Overview\n\nSSL/TLS certificate lifecycle management encompasses the full process of requesting, issuing, deploying, monitoring, renewing, and revoking X.509 certificates. Poor certificate management is a leading cause of outages and security incidents. This skill covers automating the entire certificate lifecycle using Python and ACME protocol tools.\n\n\n## When to Use\n\n- When conducting security assessments that involve performing ssl certificate lifecycle management\n- When following incident response procedures for related security events\n- ",
  "cost": {
    "context_tokens": 694
  }
}

Fetch it by URL: GET /api/v1/registry/mukul975-anthropic-cybersecurity-skills-performing-ssl-c-65f643/manifest?version=1.0.0

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