5. Cryptography

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5. Cryptography

5.1 Introduction to Cryptography

• Fundamentals of Cryptography

• Data Encryption Standard (DES)

• Block Cipher Principles

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5.2 Symmetric Key Cryptography

• Symmetric Key Concepts

• DES (Data Encryption Standard)

• AES (Advanced Encryption Standard)

• 3DES (Triple DES)

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5.3 Asymmetric Key Cryptography

• Public Key Cryptography Concepts

• RSA Algorithm

• Elliptic-Curve Cryptography (ECC)

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5.4 Key Exchange and Number Theory

• Diffie-Hellman Key Exchange

• Number Theory Basics: Prime and Relatively Prime Numbers

• Message Digest and Hash Functions

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5.5 Message Authentication and Digital Signatures

• Message Authentication Code (MAC)

• Digital Signatures and Digital Certificates

• Digital Signature Standards (DSS)

• Authentication Protocols

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5.6 Quantum Security

• Quantum Cryptography

• Post-Quantum Cryptography

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