Crypto in Practice
Common crypto mistakes, key hygiene, and a final cryptography quiz.
1
Common Crypto Mistakes
ReadingAvoid homebrew crypto, reused nonces, and rolling your own protocols.
15 min
+19 XP
2
Key Management Basics
ReadingGenerate, store, rotate, and revoke keys without leaving secrets in chat or git.
15 min
+19 XP
3
Lab — Encrypt & Verify a File
ReadingHash and encrypt a sample file with OpenSSL, then verify integrity.
25 min
+19 XP
4
Quiz — Cryptography Basics Final
Practice QuizFinal 10-question quiz across hashing, encryption, TLS, and crypto hygiene.
10 min
+18 XP