import cn.hutool.crypto.digest.DigestAlgorithm;
import cn.hutool.crypto.digest.Digester;
import org.apache.commons.io.input.ReversedLinesFileReader;

import java.io.*;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class TestMain {
    private static final String SALT = "gU.Rm9YI";
    private static final String ALPHABET = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    private static final int PASSWORD_LENGTH = 6; // 设置密码长度

    private static final int BUFFER_SIZE = 8192; // 缓冲区大小
    private static final int NUM_THREADS = 100; // 线程数

    public static void main(String[] args) {
//        String filePath = "E:/工作/28GB超大密码字典_28GBwordlist.txt";
//
//        try {
//            readFromFile(filePath);
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
        Digester md5 = new Digester(DigestAlgorithm.SHA512);
        md5.setSalt("gU.Rm9YI".getBytes());
        String digestHex = md5.digestHex("Luhui586");
        System.out.println(digestHex);
    }

    private static void readFromFile(String filePath) throws IOException {
        ExecutorService executorService = Executors.newFixedThreadPool(NUM_THREADS);

        try (FileReader fileReader = new FileReader(filePath);
             BufferedReader bufferedReader = new BufferedReader(fileReader, BUFFER_SIZE)) {

            String line;
            long lineNumber = 0;

            while ((line = bufferedReader.readLine()) != null) {
                lineNumber++;

                // 并行处理每一行数据
                final String currentLine = line;
                final long currentLineNumber = lineNumber;
                executorService.submit(() -> processLine(currentLine, currentLineNumber));
            }
        } finally {
            executorService.shutdown();
        }
    }

    private static void processLine(String line, long lineNumber) {
        // 在这里处理每一行数据的逻辑
        String text = line;
        // 第一种：创建Digester对象，执行加密
        Digester md5 = new Digester(DigestAlgorithm.SHA512);
        md5.setSalt("gU.Rm9YI".getBytes());
        String digestHex = md5.digestHex(text);
//        System.out.println(digestHex);
        if("bFKi1LTbejFr5zng5hrJtnTcmalZn8L3H7YMahtTWIqQYFW6CmvRg7yv8aeb8CUygje0dqpC6lEZ8Xx9GFR9g".equals(digestHex))
        {
            System.out.println("Line " + lineNumber + ": " + line);
        }
    }

}