zxcvbn

zxcvbn†[edit]

• パスワードの複雑さを計算するツール

zxcvbn†[edit]

• https://github.com/dropbox/zxcvbn
• パスワードの複雑さを計算するツール
• Dropbox社製
• Java Script

zxcvbn4j†[edit]

• zxcvbn を改造
• サーバサイド用 Java
• https://nulab.com/ja/blog/nulab/password-strength/
• https://github.com/nulab/zxcvbn4j

jdk-13†[edit]

• jdk-13 ではエラーを起こす　(2019 10/22)
• jdk-8 は OK

Sample for zxcvbn4j†[edit]

CheckPass.java†[edit]

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import com.nulabinc.zxcvbn.*;

class CheckPass
{
   public static void main(String[] args)
   {
       String str = null;
       double score = 0.0;

       Zxcvbn zxcvbn = new Zxcvbn();
       InputStreamReader ist = new InputStreamReader(System.in);
       BufferedReader buf = new BufferedReader(ist);

       try {
           System.err.print("Input String: ");
           str = buf.readLine();
           while(str!=null) {
               Strength strength = zxcvbn.measure(str);
               //score = strength.getGuesses();
               score = strength.getGuessesLog10();
               System.out.println("[" + str + "] is " + score);
               System.err.print("\nInput String : ");
               str = buf.readLine();
           }
       }
       catch (IOException e) {
           e.printStackTrace();
       }
   }
}

コンパイル＆実行†[edit]

javac -classpath ./zxcvbn-1.3.0.jar CheckPass.java
java -classpath .:./zxcvbn-1.3.0.jar CheckPass

最新の30件

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