AES and Modes of Operation
After completing this experiment, you will be able to:
Understand Advanced Encryption Standard (AES) Fundamentals
- Comprehend the principles of symmetric key encryption using AES
- Recognize the importance of key sizes (128, 192, 256 bits) in AES security
- Understand the block-based structure of AES encryption (128-bit blocks)
Master AES Encryption Operations
- Perform encryption using different AES key sizes and modes
- Execute proper hexadecimal conversion of plaintext data
- Apply appropriate padding techniques for block cipher requirements
Analyze Modes of Operation
- Distinguish between different block cipher modes (ECB, CBC, CFB, OFB, CTR)
- Understand when and why initialization vectors (IV) are required
- Recognize the security implications of different operational modes
Develop Practical Cryptographic Skills
- Convert between plaintext and hexadecimal representations
- Calculate proper padding for AES block requirements
- Validate encryption parameters and results
Evaluate Cryptographic Security
- Compare the security characteristics of different AES modes
- Understand the vulnerabilities and strengths of various operational modes
- Recognize the importance of proper IV usage in securing block ciphers
Apply Real-World Knowledge
- Implement AES encryption processes step-by-step
- Solve practical encryption challenges with different test cases
- Understand the complete encryption workflow from plaintext to ciphertext