查看jks文件的MD5
From: https://blog.51cto.com/u_16175512/7903626
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 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; } } |
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