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2013-05-30
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--
Update package.xml to V2, added CHANGELOG and a simple script "blencode.php"
to encode sources in tools/ directory.  Tagged sources as 1.1.0b
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Giuseppe Chiesa committed May 30, 2013
1 parent 53ebe83 commit d854ead
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10 changes: 10 additions & 0 deletions CHANGELOG
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2013-05-30
--
Update package.xml to V2, added CHANGELOG and a simple script "blencode.php" to encode sources in tools/ directory. Tagged sources as 1.1.0b


2013-05-29
--
Blenc now compile and works with PHP latest versions (tested with PHP <= 5.4.6)
Implemented support for date expiration of module and key encryption with hardcoded main key (see blenc_protect.h.dist for examples of usage)
Some minor bug fixes
7 changes: 4 additions & 3 deletions CREDITS
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blenc
John Coggeshall
Giuseppe Chiesa
;; blenc
John Coggeshall <[email protected]> (lead)
Giuseppe Chiesa <[email protected]> (lead)


4 changes: 2 additions & 2 deletions blenc.c
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+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
| Copyright (c) 1997-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
Expand All @@ -13,7 +13,7 @@
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: John Coggeshall <[email protected]> |
| Giuseppe Chiesa <[email protected]> |
| Giuseppe Chiesa <[email protected]> |
+----------------------------------------------------------------------+
*/

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114 changes: 64 additions & 50 deletions package.xml
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<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE package SYSTEM "../pear/package.dtd">
<package>
<?xml version="1.0" encoding="UTF-8"?>
<package packagerversion="1.9.4" version="2.0" xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0
http://pear.php.net/dtd/tasks-1.0.xsd
http://pear.php.net/dtd/package-2.0
http://pear.php.net/dtd/package-2.0.xsd">
<name>blenc</name>
<channel>pecl.php.net</channel>
<summary>Transparent PHP Script Encryption using Blowfish</summary>
<maintainers>
<maintainer>
<user>john</user>
<name>John Coggeshall</name>
<email>[email protected]</email>
<role>lead</role>
</maintainer>
<maintainer>
<user>gchiesa</user>
<name>Giuseppe Chiesa</name>
<email>[email protected]</email>
<role>lead</role>
</maintainer>
</maintainers>
<description>
BLENC is an extension which hooks into the Zend Engine, allowing for
<description>BLENC is an extension which hooks into the Zend Engine, allowing for
transparent encryption and execution of PHP scripts using the blowfish
algorithm. It is not designed for complete security (it is still
possible to disassemble the script into op codes using a package such
as XDebug), however it does keep people out of your code and make
reverse engineering difficult.

</description>
<license>PHP</license>
<release>
<state>beta</state>
<version>1.1.0b</version>
<date>2013-05-29</date>
<notes>
Upgraded to works with latest PHP version
</notes>
<configureoptions>
<configureoption name="enable-blenc" default="autodetect" prompt="Enable BLENC?"/>
</configureoptions>
<filelist>
<file role="src" name="config.m4"/>
<file role="src" name="config.w32"/>
<file role="src" name="blenc.c"/>
<file role="src" name="php_blenc.h"/>
<file role="src" name="blenc_protect.h"/>
<file role="src" name="bf_algo.c"/>
<file role="src" name="bf_algo.h"/>

<file role="doc" name="CREDITS"/>

<file role="test" name="tests/001.phpt"/>
</filelist>
<deps>
<dep type="php" rel="ge" version="4.3.0" />
</deps>
</release>
<lead>
<name>John Coggeshall</name>
<user>john</user>
<email>[email protected]</email>
<active>yes</active>
</lead>
<lead>
<name>Giuseppe Chiesa</name>
<user>gchiesa</user>
<email>[email protected]</email>
<active>yes</active>
</lead>
<date>2013-05-30</date>
<time>16:18:09</time>
<version>
<release>1.1.0b</release>
<api>1.1.0b</api>
</version>
<stability>
<release>beta</release>
<api>beta</api>
</stability>
<license uri="http://www.php.net/license">PHP</license>
<notes>
Upgraded to works with latest PHP version
</notes>
<contents>
<dir name="/">
<dir name="tests">
<file name="001.phpt" role="test" />
</dir> <!-- //tests -->
<file name="bf_algo.c" role="src" />
<file name="bf_algo.h" role="src" />
<file name="blenc.c" role="src" />
<file name="blenc_protect.h.dist" role="src" />
<file name="config.m4" role="src" />
<file name="config.w32" role="src" />
<file name="CREDITS" role="doc" />
<file name="php_blenc.h" role="src" />
<file name="tools/blencode.php" role="src" />
</dir> <!-- / -->
</contents>
<dependencies>
<required>
<php>
<min>4.3.0</min>
</php>
<pearinstaller>
<min>1.4.0b1</min>
</pearinstaller>
</required>
</dependencies>
<providesextension>blenc</providesextension>
<extsrcrelease>
<configureoption default="autodetect" name="enable-blenc" prompt="Enable BLENC?" />
</extsrcrelease>
</package>
<!--
vim:et:ts=1:sw=1
-->
6 changes: 3 additions & 3 deletions php_blenc.h
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+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
| Copyright (c) 1997-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
Expand All @@ -13,7 +13,7 @@
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: John Coggeshall <[email protected]> |
| Giuseppe Chiesa <[email protected]> |
| Giuseppe Chiesa <[email protected]> |
+----------------------------------------------------------------------+
*/

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#define ZEND_ENGINE_2_1
#endif

#define BLENC_VERSION "1.1.0-dev"
#define BLENC_VERSION "1.1.0b"
#define BLENC_IDENT "BLENC"
#define BLENC_BUFSIZE 4092

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148 changes: 148 additions & 0 deletions tools/blencode.php
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<?php
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Giuseppe Chiesa <[email protected]> |
+----------------------------------------------------------------------+
*/

/**
* blencode.php
* Encode a php source file with BLENC
*
* This script will create an encoded version of SOURCEFILE.php with extension .phpenc
* and link the old SOURCEFILE.php to the encoded version.
* blencode.php also will create some other files:
* blenc.key with the unencrypted blowfish encryption key
* key_file.blenc with the encrypted version of blowfish key, in order to redistribute
* them with your encoded sources.
* ./backup directory where original SOURCE files will be saved.
*
*/
function usage($prg)
{
echo "Usage : php -f $prg SOURCE ";
echo "\n".
"It will create a encoded version of SOURCE with extension .phpenc \n".
"and will replace the code in SOURCE with a include request for the \n".
"new encoded file.\n".
"$prg also will create some other files:\n".
" blenc.key with the unencrypted blowfish encryption key\n".
" key_file.blenc with the encrypted version of blowfish key, in order to\n".
" redistribute them with your encoded sources.\n".
" ./backup directory where original SOURCE files will be saved\n\n";

}

function minify($fname)
{
$retval = '';
$fdata = file($fname);

foreach($fdata as $row) {

$retval .= ' '.trim($row).' ';

}

return $retval;
}



/*
+----------------------------------------------------------------------+
| MAIN |
+----------------------------------------------------------------------+
*/
ini_set("output_buffering", "16000");

if($argc < 2) {

usage(basename($argv[0]));
die();

}

$B1=@system('tput smso');
$B0=@system('tput rmso');

if(!file_exists($argv[1])) {

echo "$B1 BLENC $B0 file $argv[1] not found.\n";
die();

}

if(file_exists('blenc.key'))
$key_prev = $key = file_get_contents('blenc.key');
else {

$key_prev = $key = md5(time());
file_put_contents('blenc.key', $key);
}

echo "$B1 BLENC $B0 blenc_protect starts...\n";
echo "$B1 BLENC $B0 blowfish unencrypted key: $key\n";
echo "$B1 BLENC $B0 file to encode: ".$argv[1]."\n";

if(file_exists($argv[1])) {

if(!is_dir('backup')) {

mkdir('backup');

}

if(!file_exists('backup/'.basename($argv[1]))) {

$backup_file = 'backup/'.basename($argv[1]);

} else {

$backup_file = 'backup/'.basename($argv[1]).'.'.date('Y_m_d_H_i_s', time());

}

copy($argv[1], $backup_file);
echo "$B1 BLENC $B0 backup file : $backup_file\n";

$contents = php_strip_whitespace($argv[1]);
file_put_contents('/tmp/blencode-txt', $contents);
$contents = minify('/tmp/blencode-txt');
$aS = array('<?php', '?>', '<?');
$aR = array('', '', '');
$contents = trim(str_replace($aS, $aR, $contents));
echo "$B1 BLENC $B0 size of content: ".strlen($contents)."\n";
echo "$B1 BLENC $B0 MD5: ".md5($contents)."\n";
file_put_contents('/tmp/blencode-log', "---\nFILE: $argv[1]\nSIZE: ".strlen($contents)."\nMD5: ".md5($contents)."\n", FILE_APPEND);

if($key != '')
$key = blenc_encrypt($contents, $argv[1].'enc', $key);
else
$key = blenc_encrypt($contents, $argv[1].'enc');

echo "$B1 BLENC $B0 redistributable key: $key\n";

file_put_contents('key_file.blenc', $key."\n", FILE_APPEND);

unlink($argv[1]);
symlink($argv[1].'enc', $argv[1]);

$result = @system('sort -k1 -u -o key_file.blenc key_file.blenc');
echo "$B1 BLENC $B0 redistributable key file key_file.blenc updated.\n";
echo "$B1 BLENC $B0 done.\n";

}
?>

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