Password strength rules (like Google)

Source: Internet
Author: User

I. Password Length:

  • 5: less than or equal to 4 characters
  • 10: 5 to 7 characters
  • 25 points: greater than or equal to 8 characters

2. letters:

  • 0: no letters
  • 10 points: all are small (BIG) Letters
  • 20: uppercase/lowercase letters

Iii. Numbers:

  • 0: No number
  • 10 points: 1 digit
  • 20 points: greater than or equal to three digits

Iv. symbols:

  • 0: No symbol
  • 10 points: 1 Symbol
  • 25 points: more than 1 Symbol

5. rewards:

  • 2 points: letters and numbers
  • 3 points: letters, numbers, and symbols
  • 5 points: uppercase/lowercase letters, numbers, and symbols

Final scoring criteria:

  • > = 90: extremely secure
  • > = 80: Security (secure)
  • > = 70: very strong
  • > = 60: strong (strong)
  • > = 50: Average (average)
  • > = 25: weak)
  • > = 0: very weak

Source: How to Make a password strength meter like Google V2.0

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