查看jks文件的MD5

From: https://blog.51cto.com/u_16175512/7903626
package com.lckj.toolbox.util;
 
import lombok.extern.slf4j.Slf4j;
import lombok.var;
 
import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.MessageDigest;
 
@Slf4j
public class JksMD5Util {
 
    public static void main(String[] args) {
        var md5 = getMD5("E:\\xxxx\\android.jks", "112233");
        log.info("md5 = {}", md5);
    }
 
    public static String getMD5(String jksFilePath, String jksPassword) {
        String md5Value = null;
        try {
            // 打开.jks文件
            FileInputStream fis = new FileInputStream(jksFilePath);
 
            // 实例化KeyStore对象
            KeyStore keyStore = KeyStore.getInstance("JKS");
 
            // 加载.jks文件
            keyStore.load(fis, jksPassword.toCharArray());
 
            // 计算MD5值
            MessageDigest md = MessageDigest.getInstance("MD5");
            byte[] buffer = new byte[8192];
            int length;
            while ((length = fis.read(buffer)) != -1) {
                md.update(buffer, 0, length);
            }
            byte[] digest = md.digest();
 
            // 转换为十六进制字符串
            StringBuilder sb = new StringBuilder();
            for (byte b : digest) {
                sb.append(String.format("%02X", b & 0xff));
            }
            md5Value = sb.toString();
 
            // 关闭文件流
            fis.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return md5Value;
    }
 
}
posted on 2024-04-10 00:25 清清飞扬阅读(253) 评论(0) 编辑收藏举报