Foundations of Cryptography 3-3: Certificate Hierarchy
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🔐 Third-Party Trust: A third party helps verify trust between entities.
🏰 Hierarchy Trust: Trust is passed down from top-level entities.
Now, let's talk certificates:
🌱 Root Certificate: At the top, it's the anchor of trust, proving all else.
🛡️ Intermediate Certificate: Adds an extra layer of security, potentially a separate entity.
🔑 End Entity Certificate: Used on services like the Technos Surge website for verification.
Verification process:
1️⃣ Root Certificate: Decrypts intermediate certificate fingerprint.
2️⃣ Intermediate Certificate: Decrypts end entity certificate fingerprint.
3️⃣ End Entity Certificate: Verified, allowing secure communication.
In application:
👩💻 User: Downloads root, intermediate, and end entity certificates.
🔍 Verification: Decrypts fingerprints to ensure trust at each level.
This ensures we're securely accessing trusted sources like TechKnowSurge!
#PKI #CyberSecurity #TrustModels
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