Cryptographic Security Evaluation
17-Character Keyspace Metrics
Recommended Baseline
Shannon Entropy111.7 bits
Offline GPU Crack Time6629.3 trillion years+
Throttled Web Login Crack Time66292544269.9 trillion years+
Total Permutations (95 chars)95^17 ≈ 4.2 × 10^33
Universal security gold standard. Yields over 111.7 bits of Shannon entropy, rendering exhaustive brute force mathematically impossible even against multi-GPU rigs.
Primary Recommended Use: Everyday banking, email, cloud storage, and social accounts.
Why 17 Characters?
Choosing a 17-character password determines the exact balance between user convenience and brute-force resistance. In an environment where attackers use distributed GPU clusters, every character added multiplies the total security search space by 95.