Cryptography & PKI Explained for Beginners | AES, RSA, Hashing & Digital Certificates (Full Guide)

Описание: What really happens when you see the 🔒 padlock in your browser?
In this in-depth guide from Bluehat Cybersec Academy, we break down the foundations of cryptography and Public Key Infrastructure (PKI) in a clear, practical, and beginner-friendly way.

Whether you're an aspiring cybersecurity professional, a networking student, an IT engineer, or preparing for certifications like Security+, CEH, or CISSP — this video will help you understand the core building blocks of digital trust.

In this video, you will learn:
• What cryptography is and why it matters
• The difference between symmetric and asymmetric encryption
• How Advanced Encryption Standard (AES) works
• How RSA and Elliptic Curve Cryptography (ECC) enable secure communication
• What hashing is and how SHA-256 protects integrity
• How digital signatures verify authenticity
• What digital certificates are
• How Certificate Authorities like DigiCert and Let's Encrypt establish trust
• How HTTPS uses a hybrid encryption model
• The complete chain of trust in PKI
• Real-world cybersecurity applications across industries

We also cover practical security tips for individuals and organizations, common cryptographic mistakes to avoid, and future trends like post-quantum cryptography.

If you want to truly understand how secure communication works on the internet — this video is your foundation.

If you're serious about building real-world cybersecurity and networking skills, make sure to subscribe to Bluehat Cybersec Academy.

We publish practical, structured, and career-focused content designed to help you understand—not just memorize—cybersecurity concepts.

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