PHP&JAVA AES-128-ECB 加密解密

深碍√TFBOYSˉ_ 2023-03-13 05:29 28阅读 0赞

PHP代码

<?php
    class AES {
        /**
     *
     * @param string $string 需要加密的字符串
     * @param string $key 密钥
     * @return string
     */ public static function encrypt($string, $key)
        {
            // 对接java，服务商做的AES加密通过SHA1PRNG算法（只要password一样，每次生成的数组都是一样的），Java的加密源码翻译php如下：
            // $key = substr(openssl_digest(openssl_digest($key, 'sha1', true), 'sha1', true), 0, 16);
            // openssl_encrypt 加密不同Mcrypt，对秘钥长度要求，超出16加密结果不变
            $data = openssl_encrypt($string, 'AES-128-ECB', $key, OPENSSL_RAW_DATA);
            $data = strtoupper(bin2hex($data)); return $data;
        }
        /**
        * @param string $string 需要解密的字符串
    * @param string $key 密钥
    * @return string
        */
        public static function decrypt($string, $key)
        {
            // 对接java，服务商做的AES加密通过SHA1PRNG算法（只要password一样，每次生成的数组都是一样的），Java的加密源码翻译php如下：
             //$key = substr(openssl_digest(openssl_digest($key, 'sha1', true), 'sha1', true), 0, 16);
             $decrypted = openssl_decrypt(hex2bin($string), 'AES-128-ECB', $key, OPENSSL_RAW_DATA); return $decrypted;
        }
    }
    $encrypt = AES::encrypt('test', 'chinaexpressairosjj');
    $decrypt = AES::decrypt($encrypt, 'chinaexpressairosjj');
    echo "加密后:".$encrypt."\n";
    echo "解密：".$decrypt;

JAVA代码

package com.rh.onehand.util;
    
    import javax.crypto.Cipher;
    import javax.crypto.spec.SecretKeySpec;
    
    /**
     *
     * @author shen_feng 加密解密
     */
    public class AesUtil {
    
        // static String sKey = "HOPERUN.COM";
    
        /**
         * 密钥如超过16位，截至16位，不足16位，补/000至16位
         *
         * @param key 原密钥
         * @return 新密钥
         */
        public static String secureBytes(String key) {
            if (key.length() > 16) {
                key = key.substring(0, 16);
            } else if (key.length() < 16) {
                for (int i = (key.length() - 1); i < 15; i++) {
                    key += "\000";
                }
            }
            return key;
        }
    
        /**
         * AES解密 用于数据库储存
         *
         * @param sSrc
         * @param key
         * @return
         * @throws Exception
         */
        public static String decryptCode(String sSrc, String key) {
    
            String sKey = secureBytes(key);
    
            try {
                // 判断Key是否正确
                if (sKey == null) {
                    // LogUtil.d("AesUtil", "Key为空null");
                    return null;
                }
                // 判断Key是否为16位
                if (sKey.length() != 16) {
                    // LogUtil.d("AesUtil", "Key长度不是16位");
                    sKey = secureBytes(sKey);
                }
                byte[] raw = sKey.getBytes("ASCII");
                SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
                Cipher cipher = Cipher.getInstance("AES");
                cipher.init(Cipher.DECRYPT_MODE, skeySpec);
                byte[] encrypted1 = hex2byte(sSrc);
                try {
                    byte[] original = cipher.doFinal(encrypted1);
                    String originalString = new String(original, "GBK");
                    return originalString;
                } catch (Exception e) {
                    return null;
                }
            } catch (Exception ex) {
                return null;
            }
    
        }
    
        /**
         * AES解密 用于数据库储存
         *
         * @param sSrc
         * @param key
         * @return
         * @throws Exception
         */
        public static String decrypt(String sSrc, String key) {
    
            String sKey = secureBytes(key);
    
            try {
                // 判断Key是否正确
                if (sKey == null) {
                    // LogUtil.d("AesUtil", "Key为空null");
                    return null;
                }
                // 判断Key是否为16位
                if (sKey.length() != 16) {
                    // LogUtil.d("AesUtil", "Key长度不是16位");
                    sKey = secureBytes(sKey);
                }
                byte[] raw = sKey.getBytes("ASCII");
                SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
                Cipher cipher = Cipher.getInstance("AES");
                cipher.init(Cipher.DECRYPT_MODE, skeySpec);
                byte[] encrypted1 = hex2byte(sSrc);
                try {
                    byte[] original = cipher.doFinal(encrypted1);
    
                    String originalString = new String(original, "utf-8");
                    // String originalString = new String(original, "GBK");
    
                    return originalString;
                } catch (Exception e) {
                    return null;
                }
            } catch (Exception ex) {
                return null;
            }
    
        }
    
        public static String encrypt4Contacts(String sSrc) {
            return sSrc;
        }
    
        /**
         * AES加密
         *
         * @param sSrc
         * @param key
         * @return
         * @throws Exception
         */
        public static String encrypt(String sSrc, String key) {
    
            String sKey = secureBytes(key);
            try {
                if (sSrc == null || sKey == null) {
                    // LogUtil.d("AesUtil", "Key为空null");
                    return null;
                }
                // 判断Key是否为16位
                if (sKey.length() != 16) {
                    // LogUtil.d("AesUtil", "Key长度不是16位");
                    sKey = secureBytes(sKey);
                }
                byte[] raw = sKey.getBytes("ASCII");
                SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
                Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
                cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
                byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));
                return byte2hex(encrypted).toLowerCase();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                return null;
            }
        }
    
        public static void main(String[] args) {
            String encrypt = encrypt("test", "chinaexpressairosjj");
            System.out.println(encrypt);
        }
    
        /**
         * @param strhex
         * @return
         */
        public static byte[] hex2byte(String strhex) {
            if (strhex == null) {
                return null;
            }
            int l = strhex.length();
            if (l % 2 != 0) {
                return null;
            }
            byte[] b = new byte[l / 2];
            for (int i = 0; i != l / 2; i++) {
                b[i] = (byte) Integer.parseInt(strhex.substring(i * 2, i * 2 + 2),
                        16);
            }
            return b;
        }
    
        /**
         * @param b
         * @return
         */
        public static String byte2hex(byte[] b) {
            String hs = "";
            String stmp = "";
            for (int n = 0; n < b.length; n++) {
                stmp = (Integer.toHexString(b[n] & 0XFF));
                System.out.println(stmp);
                if (stmp.length() == 1) {
                    hs = hs + "0" + stmp;
                } else {
                    hs = hs + stmp;
                }
            }
            return hs.toUpperCase();
        }
    }

看到有博友说Cipher.getInstance("AES") 和 Cipher.getInstance("AES/CBC/PKCS5Padding") 是一样的，结果怎么测试也不行，后来发现Cipher.getInstance("AES") 和 Cipher.getInstance("AES/ECB/PKCS5Padding")是一样的，不知道是博友的笔误还是别的问题

感谢：[https://www.jianshu.com/p/f941a309b087][https_www.jianshu.com_p_f941a309b087]

php线上运行环境1：[http://www.dooccn.com/php/][http_www.dooccn.com_php]

php线上运行环境2：[https://c.runoob.com/compile/1][https_c.runoob.com_compile_1]

[https_www.jianshu.com_p_f941a309b087]: https://www.jianshu.com/p/f941a309b087
[http_www.dooccn.com_php]: http://www.dooccn.com/php/
[https_c.runoob.com_compile_1]: https://c.runoob.com/compile/1