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zxcvbn

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zxcvbn

realistic password strength estimation

  • 4.4.2
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
630K
decreased by-0.37%
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1
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What is zxcvbn?

zxcvbn is a password strength estimator inspired by password crackers. It is designed to evaluate the strength of passwords and provide feedback and suggestions for improving them. The library uses a large list of common passwords, common names, and other patterns to estimate how long it would take to crack a given password.

What are zxcvbn's main functionalities?

Password Strength Estimation

This feature allows you to estimate the strength of a password. The score ranges from 0 (very weak) to 4 (very strong).

const zxcvbn = require('zxcvbn');
const result = zxcvbn('password123');
console.log(result.score); // Outputs a score from 0 to 4

Feedback and Suggestions

This feature provides feedback and suggestions for improving the password based on its analysis.

const zxcvbn = require('zxcvbn');
const result = zxcvbn('password123');
console.log(result.feedback); // Outputs feedback and suggestions for improving the password

Time to Crack Estimation

This feature estimates the time it would take to crack the password using different attack scenarios, such as online guessing or offline attacks.

const zxcvbn = require('zxcvbn');
const result = zxcvbn('password123');
console.log(result.crack_times_display); // Outputs an object with various time estimates for cracking the password

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Package last updated on 07 Feb 2017

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