Length vs Complexity: An Entropy Grid & Line Chart
This lesson is part of the course
In this lesson
You fill an entropy grid for lengths 6–20 and three character sets with one formula, chart it, and measure what adding symbols buys compared with adding characters.
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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