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Server : nginx/1.18.0 System : Linux iZrj9edhd5u5pfsek09o1jZ 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC 2019 x86_64 User : www ( 1000) PHP Version : 5.6.40 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv Directory : /mnt/web/www.neatabattery.com/vendor/alipay/aop/ |
<?php
/**
* 加密工具类
*
* User: jiehua
* Date: 16/3/30
* Time: 下午3:25
*/
/**
* 加密方法
* @param string $str
* @return string
*/
function encrypt($str,$screct_key){
//AES, 128 模式加密数据 CBC
$screct_key = base64_decode($screct_key);
$str = trim($str);
$str = addPKCS7Padding($str);
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_CBC),1);
$encrypt_str = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_CBC);
return base64_encode($encrypt_str);
}
/**
* 解密方法
* @param string $str
* @return string
*/
function decrypt($str,$screct_key){
//AES, 128 模式加密数据 CBC
$str = base64_decode($str);
$screct_key = base64_decode($screct_key);
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_CBC),1);
$encrypt_str = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_CBC);
$encrypt_str = trim($encrypt_str);
$encrypt_str = stripPKSC7Padding($encrypt_str);
return $encrypt_str;
}
/**
* 填充算法
* @param string $source
* @return string
*/
function addPKCS7Padding($source){
$source = trim($source);
$block = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
$pad = $block - (strlen($source) % $block);
if ($pad <= $block) {
$char = chr($pad);
$source .= str_repeat($char, $pad);
}
return $source;
}
/**
* 移去填充算法
* @param string $source
* @return string
*/
function stripPKSC7Padding($source){
$source = trim($source);
$char = substr($source, -1);
$num = ord($char);
if($num==62)return $source;
$source = substr($source,0,-$num);
return $source;
}