From DES to 3-DES
After completing this experiment, you will be able to:
Understand Advanced Encryption Standards
- Comprehend the Data Encryption Standard (DES) algorithm and its structure
- Recognize the limitations of single DES encryption
- Understand the evolution from DES to Triple DES (3DES) for enhanced security
Master DES and Triple DES Operations
- Perform encryption using the DES algorithm with hexadecimal keys
- Execute decryption using the DES algorithm
- Implement the complete Triple DES encryption process (Encrypt-Decrypt-Encrypt)
Analyze Cryptographic Key Management
- Understand the importance of 64-bit keys in DES encryption
- Learn how Triple DES uses two keys to effectively create a stronger encryption
- Compare different input formats (ASCII vs. Hexadecimal) for encryption operations
Develop Symmetric Encryption Skills
- Apply DES encryption to both text and binary data
- Use multiple keys in sequence for enhanced security
- Verify encryption results through systematic testing
Apply Security Enhancement Techniques
- Implement Triple DES as a solution to DES vulnerabilities
- Understand why the Encrypt-Decrypt-Encrypt sequence strengthens security
- Evaluate the practical applications of multi-stage encryption processes