Exercises — Module 2: Cryptography and PKI
1 hands-on tasks. Do them in order; each one feeds the Canvas item it names.
35 min · hands-on
1. Hashing Demonstration
- Using an online SHA-256 calculator or command-line tool, hash the string 'SecurityPlus2026'.
- Change one character and hash again; note the completely different output.
- Explain in writing why this property (avalanche effect) matters for data integrity.
Turn in / bring: Lab report showing both hashes and written explanation of the avalanche effect.