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; } }