openssl_decrypt代替mcrypt_decrypt做可逆加密解密代替方案

2023年1月31日 0条评论

openssl_decrypt代替mcrypt_decrypt做可逆加密解密代替方案

mcrypt_encrypt 超过php7.1舍弃了就，php7.1屏蔽错误还可以用。升级php版本就必须使用openssl_decrypt代替之前使用 mcrypt_encrypt 这个函数做的加密解密。下面是自己的老项目升级加密解密的代替方案，仅供参考。

 <?php 
 //php7.1中屏蔽错误 mcrypt_decrypt还能继续使用说明没有移除  
 error_reporting(0); 

 //aes的解密方案1 
 $miwen1 = "F6D6F143A7ACBCF0FCFCF542C638836C4AEA9BC33B9A5CE867A5102E0770F62D8D76EFBE1EF023790D48058EDACF5847D5864A3331FE0F0E4BA1B81B774EB294"; 
 $key1 = 'OKLU520XJB09906H'; //秘钥 
 $iv1 = $key1; 
 $decrypted1 = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key1, hex2bin($miwen1), MCRYPT_MODE_CBC, $iv1); //秘钥解密 
 //处理json 
 $json_str1 = str_replace("\u0000", "", json_encode($decrypted1)); 
 $arr1 = json_decode(json_decode($json_str1), true); 
 //获取账号密码 
 print_r($arr1); 

 $miwen2 = "F6D6F143A7ACBCF0FCFCF542C638836C4AEA9BC33B9A5CE867A5102E0770F62D8D76EFBE1EF023790D48058EDACF5847D5864A3331FE0F0E4BA1B81B774EB294"; 
 $key2 = "OKLU520XJB09906H"; 
 $iv2 = $key2; 
 //OpenSSL 解密 或者OPENSSL_NO_PADDING 
 $decrypted2 = openssl_decrypt(hex2bin($miwen2), "aes-128-cbc", $key2, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv2); 
 //echo json_encode($de_data); 
 //有特殊字符再json_encode之后能否发现，然后过滤掉"[{\"T\":\"638107685499086584\",\"P\":\"OT4pQ42TiE6jDPy6\",\"N\":\"wd_wd\"}]\u0000" 
 $json_str2 = str_replace("\u0000", "", json_encode($decrypted2)); 
 $arr2 = json_decode(json_decode($json_str2), true); 
 print_r($arr2); 


 //aes加密方案1 mcrypt_encrypt 超过7.1舍弃了就，php7.1屏蔽错误还可以用 
 $mingwen3 = "你好"; 
 $key3 = 'OKLU520XJB09906H'; 
 $iv3 = $key3; 
 $encrypted3 = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key3, $mingwen3, MCRYPT_MODE_CBC, $iv3); 
 $miwen3 = base64_encode($encrypted3); 
 echo $miwen3; 


 //代替方案  openssl_encrypt 方式更通用 
 $key4 = "OKLU520XJB09906H"; 
 $iv4    = $key4; 
 $mingwen4 = "你好"; 
 if (strlen($mingwen4) % 16) { 
     $mingwen4 = str_pad($mingwen4, strlen($mingwen4) + 16 - strlen($mingwen4) % 16, "\0"); 
 } 
 $encrypted4 =  openssl_encrypt($mingwen4, 'AES-128-CBC', $key4, OPENSSL_NO_PADDING, $iv4); 
 $miwen4 = base64_encode($encrypted4); 
 echo $miwen4; 


 //aes解密方案2 
 $miwen33 = "fyy6UkIa/PXyXxR5vm316w=="; //你好 
 $key33 = 'OKLU520XJB09906H'; 
 $iv33 = $key33; 
 $plain_str33 = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key33, base64_decode($miwen33), MCRYPT_MODE_CBC, $iv33); 
 $plain_str33 = str_replace(array("\r\n", "\r", "\n", "\0"), "", $plain_str33); 
 echo json_encode($plain_str33); 


 $miwen44 = "fyy6UkIa/PXyXxR5vm316w=="; //你好 
 $key44 = "OKLU520XJB09906H"; 
 $iv44 = $key44; 
 //OpenSSL 解密  或者OPENSSL_NO_PADDING 
 $plain_str44 = openssl_decrypt(base64_decode($miwen44), "aes-128-cbc", $key44, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv44); 
 $plain_str44 = str_replace(array("\r\n", "\r", "\n", "\0"), "", $plain_str44); 
 echo json_encode($plain_str44); 