Character Sets & Search Space: N^L
This lesson is part of the course
In this lesson
You add up character-set sizes for five password types, compute every search space N^L and see that 12 lowercase letters beat 8 characters from all 95 printable ones.
Buy the course once for $9.99 to unlock every lesson and lab, the final exam and the certificate – lifetime access, no subscription.
Lessons in this course
- Character Sets & Search Space: N^L Locked
- Entropy in Bits: L × log2(N) and a Rating Table Locked
- Passphrases: Diceware-Style Word Lists & Bits per Word Locked
- Guesses per Second & Time to Crack: Online vs Offline Locked
- Length vs Complexity: An Entropy Grid & Line Chart Locked
- Policy Design: Length, Blocklists & MFA Compared Locked
- Password Reuse: 1 − (1 − p)^N Across Sites Locked
- Lockouts & MFA: Capping Online Guesses Locked