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如何给PHP源代码商业加密？PHP二进制的加密与解密方式？
作者：AlbertWen  添加时间：2013-11-07 00:46:36  修改时间：2025-03-28 19:21:53  分类：16.编程基础/Web安全  编辑

IonCube：[收费]专业的PHP源码加密组件

分享2种PHP的源码加密方式，此加密方法支持任意PHP版。

注意，加密后的PHP代码无需第三方工具解密，像往常一样，直接运行即可。

 

加密方式1：

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<?php
function encode_file_contents($filename) {
  $type=strtolower(substr(strrchr($filename,'.'),1));
  if ('php' == $type && is_file($filename) && is_writable($filename)) { // 如果是PHP文件 并且可写 则进行压缩编码
    $contents = file_get_contents($filename); // 判断文件是否已经被编码处理
    $contents = php_strip_whitespace($filename);
 
    // 去除PHP头部和尾部标识
    $headerPos = strpos($contents,'<?php');
    $footerPos = strrpos($contents,'?>');
    $contents = substr($contents, $headerPos + 5, $footerPos - $headerPos);
    $encode = base64_encode(gzdeflate($contents)); // 开始编码
    $encode = '<?php'."\n eval(gzinflate(base64_decode("."'".$encode."'".")));\n\n?>";
 
    return file_put_contents($filename, $encode);
  }
  return false;
}
 
//调用函数
$filename = 'dam.php';
encode_file_contents($filename);
echo "OK,加密完成！"
?>

加密方式2：

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<?php
 
function RandAbc($length = "") { // 返回随机字符串
  $str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  return str_shuffle($str);
}
 
$filename = 'index.php'; //要加密的文件
$T_k1 = RandAbc(); //随机密匙1
$T_k2 = RandAbc(); //随机密匙2
$vstr = file_get_contents($filename);
$v1 = base64_encode($vstr);
$c = strtr($v1, $T_k1, $T_k2); //根据密匙替换对应字符。
$c = $T_k1.$T_k2.$c;
$q1 = "O00O0O";
$q2 = "O0O000";
$q3 = "O0OO00";
$q4 = "OO0O00";
$q5 = "OO0000";
$q6 = "O00OO0";
$s = '$'.$q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$'.$q1.'=$'.$q6.'{3}.$'.$q6.'{6}.$'.$q6.'{33}.$'.$q6.'{30};$'.$q3.'=$'.$q6.'{33}.$'.$q6.'{10}.$'.$q6.'{24}.$'.$q6.'{10}.$'.$q6.'{24};$'.$q4.'=$'.$q3.'{0}.$'.$q6.'{18}.$'.$q6.'{3}.$'.$q3.'{0}.$'.$q3.'{1}.$'.$q6.'{24};$'.$q5.'=$'.$q6.'{7}.$'.$q6.'{13};$'.$q1.'.=$'.$q6.'{22}.$'.$q6.'{36}.$'.$q6.'{29}.$'.$q6.'{26}.$'.$q6.'{30}.$'.$q6.'{32}.$'.$q6.'{35}.$'.$q6.'{26}.$'.$q6.'{30};eval($'.$q1.'("'.base64_encode('$'.$q2.'="'.$c.'";eval(\'?>\'.$'.$q1.'($'.$q3.'($'.$q4.'($'.$q2.',$'.$q5.'*2),$'.$q4.'($'.$q2.',$'.$q5.',$'.$q5.'),$'.$q4.'($'.$q2.',0,$'.$q5.'))));').'"));';
 
$s = '<?php '."\n".$s."\n".' ?>';
//echo $s;
// 生成 加密后的PHP文件
$fpp1 = fopen('temp_'.$filename, 'w');
fwrite($fpp1, $s) or die('写文件错误');
 
?>

其实，PHP加密源码方式有很多，譬如，免费的微盾PHP加密，还有  www.phpjm.net  搞的在线加密，只是phpjm更复杂点而已。

 

另外，分享一个 PHP类，它能对 文本的内容进行  二进制加密  与  解密 ，代码如下：

// text_auth.php

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<?php
 
class text_auth {
    var $n_iter;
 
    function text_auth() {
        $this->setIter(32);
    }
 
    function setIter($n_iter) {
        $this->n_iter = $n_iter;
    }
 
    function getIter() {
        return $this->n_iter;
    }
 
    function encrypt($data, $key) {
        $n = $this->_resize($data, 4);
        $data_long[0] = $n;
        $n_data_long = $this->_str2long(1, $data, $data_long);
        $n = count($data_long);
        if (($n & 1) == 1) {
            $data_long[$n] = chr(0);
            $n_data_long++;
        }
        $this->_resize($key, 16, true);
        if ('' == $key) {
            $key = '0000000000000000';
        }
        $n_key_long = $this->_str2long(0, $key, $key_long);
        $enc_data = '';
        $w = array(0, 0);
        $j = 0;
        $k = array(0, 0, 0, 0);
        for ($i = 0; $i < $n_data_long; ++$i) {
            if ($j + 4 <= $n_key_long) {
                $k[0] = $key_long[$j];
                $k[1] = $key_long[$j + 1];
                $k[2] = $key_long[$j + 2];
                $k[3] = $key_long[$j + 3];
            } else {
                $k[0] = $key_long[$j % $n_key_long];
                $k[1] = $key_long[($j + 1) % $n_key_long];
                $k[2] = $key_long[($j + 2) % $n_key_long];
                $k[3] = $key_long[($j + 3) % $n_key_long];
            }
            $j = ($j + 4) % $n_key_long;
            $this->_encipherLong($data_long[$i], $data_long[++$i], $w, $k);
            $enc_data .= $this->_long2str($w[0]);
            $enc_data .= $this->_long2str($w[1]);
        }
        return $enc_data;
    }
 
    function decrypt($enc_data, $key) {
        $n_enc_data_long = $this->_str2long(0, $enc_data, $enc_data_long);
        $this->_resize($key, 16, true);
        if ('' == $key) {
            $key = '0000000000000000';
        }
        $n_key_long = $this->_str2long(0, $key, $key_long);
        $data = '';
        $w = array(0, 0);
        $j = 0;
        $len = 0;
        $k = array(0, 0, 0, 0);
        $pos = 0;
        for ($i = 0; $i < $n_enc_data_long; $i += 2) {
            if ($j + 4 <= $n_key_long) {
                $k[0] = $key_long[$j];
                $k[1] = $key_long[$j + 1];
                $k[2] = $key_long[$j + 2];
                $k[3] = $key_long[$j + 3];
            } else {
                $k[0] = $key_long[$j % $n_key_long];
                $k[1] = $key_long[($j + 1) % $n_key_long];
                $k[2] = $key_long[($j + 2) % $n_key_long];
                $k[3] = $key_long[($j + 3) % $n_key_long];
            }
            $j = ($j + 4) % $n_key_long;
            $this->_decipherLong($enc_data_long[$i], $enc_data_long[$i + 1], $w, $k);
            if (0 == $i) {
                $len = $w[0];
                if (4 <= $len) {
                    $data .= $this->_long2str($w[1]);
                } else {
                    $data .= substr($this->_long2str($w[1]), 0, $len % 4);
                }
            } else {
                $pos = ($i - 1) * 4;
                if ($pos + 4 <= $len) {
                    $data .= $this->_long2str($w[0]);
                    if ($pos + 8 <= $len) {
                        $data .= $this->_long2str($w[1]);
                    } elseif ($pos + 4 < $len) {
                        $data .= substr($this->_long2str($w[1]), 0, $len % 4);
                    }
                } else {
                    $data .= substr($this->_long2str($w[0]), 0, $len % 4);
                }
            }
        }
        return $data;
    }
 
    function _encipherLong($y, $z, &$w, &$k) {
        $sum = (integer)0;
        $delta = 0x9E3779B9;
        $n = (integer)$this->n_iter;
        while ($n-- > 0) {
            $y = $this->_add($y, $this->_add($z << 4 ^ $this->_rshift($z, 5), $z) ^ $this->_add($sum, $k[$sum & 3]));
            $sum = $this->_add($sum, $delta);
            $z = $this->_add($z, $this->_add($y << 4 ^ $this->_rshift($y, 5), $y) ^ $this->_add($sum, $k[$this->_rshift($sum, 11) & 3]));
        }
        $w[0] = $y;
        $w[1] = $z;
    }
 
    function _decipherLong($y, $z, &$w, &$k) {
        $sum = 0xC6EF3720;
        $delta = 0x9E3779B9;
        $n = (integer)$this->n_iter;
        while ($n-- > 0) {
            $z = $this->_add($z, -($this->_add($y << 4 ^ $this->_rshift($y, 5), $y) ^ $this->_add($sum, $k[$this->_rshift($sum, 11) & 3])));
            $sum = $this->_add($sum, -$delta);
            $y = $this->_add($y, -($this->_add($z << 4 ^ $this->_rshift($z, 5), $z) ^ $this->_add($sum, $k[$sum & 3])));
        }
        $w[0] = $y;
        $w[1] = $z;
    }
 
    function _resize(&$data, $size, $nonull = false) {
        $n = strlen($data);
        $nmod = $n % $size;
        if (0 == $nmod) {
            $nmod = $size;
        }
        if ($nmod > 0) {
            if ($nonull) {
                for ($i = $n; $i < $n - $nmod + $size; ++$i) {
                    $data[$i] = $data[$i % $n];
                }
            } else {
                for ($i = $n; $i < $n - $nmod + $size; ++$i) {
                    $data[$i] = chr(0);
                }
            }
        }
        return $n;
    }
 
    function _hex2bin($str) {
        $len = strlen($str);
        return pack('H' . $len, $str);
    }
 
    function _str2long($start, &$data, &$data_long) {
        $n = strlen($data);
        $tmp = unpack('N*', $data);
        $j = $start;
        foreach ($tmp as $value) {
            $data_long[$j++] = $value;
        }
        return $j;
    }
 
    function _long2str($l) {
        return pack('N', $l);
    }
 
    function _rshift($integer, $n) {
        if (0xffffffff < $integer || -0xffffffff > $integer) {
            $integer = fmod($integer, 0xffffffff + 1);
        }
        if (0x7fffffff < $integer) {
            $integer -= 0xffffffff + 1.0;
        } elseif (-0x80000000 > $integer) {
            $integer += 0xffffffff + 1.0;
        }
        if (0 > $integer) {
            $integer &= 0x7fffffff;
            $integer >>= $n;
            $integer |= 1 << (31 - $n);
        } else {
            $integer >>= $n;
        }
        return $integer;
    }
 
    function _add($i1, $i2) {
        $result = 0.0;
        foreach (func_get_args() as $value) {
            if (0.0 > $value) {
                $value -= 1.0 + 0xffffffff;
            }
            $result += $value;
        }
        if (0xffffffff < $result || -0xffffffff > $result) {
            $result = fmod($result, 0xffffffff + 1);
        }
        if (0x7fffffff < $result) {
            $result -= 0xffffffff + 1.0;
        } elseif (-0x80000000 > $result) {
            $result += 0xffffffff + 1.0;
        }
        return $result;
    }
}

使用方法参考如下：

// 加密过程

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$text_file = S_ROOT . './456.php';
$str = @file_get_contents($text_file);
 
require_once S_ROOT . "./text_auth.php";
$text_auth = new text_auth(64);
 
$str = $text_auth->encrypt($str, "snsgou.com");
 
$filename = S_ROOT . './789.php'; // 加密后的文本为二进制，普通的文本编辑器无法正常查看
file_put_contents($filename, $str);

// 解密过程

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$text_file = S_ROOT . './789.php';
$str = @file_get_contents($text_file);
 
require_once S_ROOT . "./text_auth.php";
$text_auth = new text_auth(64);
 
$str = $text_auth->decrypt($str, "snsgou.com");
 
$filename = S_ROOT . './456.php';
file_put_contents($filename, $str);

 

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