Cryptography fundamentals to advanced encryption, hashing, digital signatures, and ethical hacking techniques
Sub Category
- Network & Security
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Objectives
- Understand the core mathematics of cryptography, including modular arithmetic, prime numbers, and finite fields
- Explain how classical and modern encryption systems work, and why certain systems are secure or insecure
- Implement and analyze symmetric key encryption techniques including block ciphers and stream ciphers
- Understand, design, and evaluate AES encryption and other modern symmetric standards
- Learn the foundations of public key cryptography, including RSA and Diffie–Hellman key exchange.
- Create and verify digital signatures for authentication and integrity
- Use and apply hash functions and Message Authentication Codes (MACs) in real-world systems
- Understand how secure key generation, sharing, and management works in modern applications
- Perform cryptographic analysis to detect weaknesses and prevent attacks
- Apply cryptography in ethical hacking workflows, including secure communication, password cracking concepts, and data protection
- Solve hands-on worksheets and quizzes to strengthen understanding and practical skills
- Build a strong foundation to pursue advanced cybersecurity, blockchain, web security, or penetration testing roles
Pre Requisites
- Basic computer usage skills (no advanced technical background required)
- A willingness to learn mathematics step-by-step (all crypto math is taught from scratch)
- No prior cryptography or cybersecurity knowledge needed — the course starts from fundamentals
- Familiarity with any programming language is helpful, but not required
- Access to a PC or laptop (Windows / Mac / Linux) for practicing concepts and worksheets
- An interest in ethical hacking, cybersecurity, or secure communication systems
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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