Wiki Article · Cinematic

Digital Certificate

Digital certificate (ya public key certificate) ek electronic document hai jo kisi entity (website,…

Overview

Digital Certificate — Quick Facts

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Property: Detail

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Full Name: Digital Certificate / Public Key…

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Category: Cryptography, Key Management,…

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Standard: X.509 (ITU-T / ISO)

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Full Name | Digital Certificate / Public Key…

Topic 2

Aam Zindagi Me Samjho — ID Card Analogy

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Government = Certificate Authority…

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Tumhari photo + details = Website…

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Official seal = CA ki digital…

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Expiry date = Validity period…

Topic 3

History Aur Origin

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1976 — Diffie-Hellman ne…

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1988 — X.509 v1 standard introduce…

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1993 — X.509 v2 release hua with…

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1996 — X.509 v3 aaya with…

Topic 4

Digital Certificate Kaise Kaam Karta Hai

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Kya certificate expired to nahi?

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Kya domain name match karta hai?

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Kya issuer (CA) trusted hai?…

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Kya CA ki digital signature valid…

Topic 5

Certificate Fields — X.509 v3

🔑 Ek standard X.509 v3 digital certificate me yeh fields hoti hain: | Field | Description |…

Topic 6

Certificate Types

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DV: Sabse fast aur cheap — sirf…

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OV: Organization ka legal name bhi…

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EV: Sabse strict verification —…

Topic 7

Certificate Authority Hierarchy

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Root CA offline rakhte hain…

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Intermediate CA daily operations…

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Agar Intermediate CA compromise…

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Let's Encrypt — Free, automated,…

Topic 8

Certificate Lifecycle

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ACME protocol (Let's Encrypt) —…

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Certbot — popular ACME client

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cert-manager — Kubernetes me…

Topic 9

Revocation — CRL Aur OCSP

📚 Agar koi certificate compromise ho jaye (private key leak, etc.), to usse revoke karna…

Topic 10

Best Practices

💡 Website Operators / Server Admins Ke Liye 1. Hamesha HTTPS enforce karo — HTTP se HTTPS…

Topic 11

Common Mistakes Aur Pitfalls

🎯 1. Certificate expiry miss karna — Production outages ka #1 cause. Automation se solve…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Digital Certificate ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Digital Certificate ka 'Full Name' kya hai?

Complete! 🎉

Digital Certificate Complete!

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