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My Hash PHP Class
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<?php | |
/** | |
* | |
*/ | |
class Encryption | |
{ | |
public function mt_rand_str($l, $c = 'abcdefghijklmnopqrstuvwxyz1234567890') | |
{ | |
for ($s = '', $cl = strlen($c)-1, $i = 0; $i < $l; $s .= $c[mt_rand(0, $cl)], ++$i); | |
return $s; | |
} | |
public function encrypt($txt, $key = 'anihc ctI') | |
{ | |
$chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_."; | |
$ikey ="-x6g6ZWm2G9g_vr0Bo.pOq3kRIxsZ6rm"; | |
$nh1 = rand(0,64); | |
$nh2 = rand(0,64); | |
$nh3 = rand(0,64); | |
$ch1 = $chars[$nh1]; | |
$ch2 = $chars[$nh2]; | |
$ch3 = $chars[$nh3]; | |
$nhnum = $nh1 + $nh2 + $nh3; | |
$knum = 0;$i = 0; | |
while(isset($key[$i])) $knum +=ord($key[$i++]); | |
$mdKey = substr(md5(md5(md5($key.$ch1).$ch2.$ikey).$ch3),$nhnum%8,$knum%8 + 16); | |
$txt = base64_encode($txt); | |
$txt = str_replace(array('+','/','='),array('-','_','.'),$txt); | |
$tmp = ''; | |
$j=0;$k = 0; | |
$tlen = strlen($txt); | |
$klen = strlen($mdKey); | |
for ($i=0; $i<$tlen; $i++) { | |
$k = $k == $klen ? 0 : $k; | |
$j = ($nhnum+strpos($chars,$txt[$i])+ord($mdKey[$k++]))%64; | |
$tmp .= $chars[$j]; | |
} | |
$tmplen = strlen($tmp); | |
$tmp = substr_replace($tmp,$ch3,$nh2 % ++$tmplen,0); | |
$tmp = substr_replace($tmp,$ch2,$nh1 % ++$tmplen,0); | |
$tmp = substr_replace($tmp,$ch1,$knum % ++$tmplen,0); | |
return $tmp; | |
} | |
public function decrypt($txt, $key = 'anihc ctI') | |
{ | |
$chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_."; | |
$ikey ="-x6g6ZWm2G9g_vr0Bo.pOq3kRIxsZ6rm"; | |
$knum = 0;$i = 0; | |
$tlen = strlen($txt); | |
while(isset($key[$i])) $knum +=ord($key[$i++]); | |
$ch1 = $txt[$knum % $tlen]; | |
$nh1 = strpos($chars,$ch1); | |
$txt = substr_replace($txt,'',$knum % $tlen--,1); | |
$ch2 = $txt[$nh1 % $tlen]; | |
$nh2 = strpos($chars,$ch2); | |
$txt = substr_replace($txt,'',$nh1 % $tlen--,1); | |
$ch3 = $txt[$nh2 % $tlen]; | |
$nh3 = strpos($chars,$ch3); | |
$txt = substr_replace($txt,'',$nh2 % $tlen--,1); | |
$nhnum = $nh1 + $nh2 + $nh3; | |
$mdKey = substr(md5(md5(md5($key.$ch1).$ch2.$ikey).$ch3),$nhnum % 8,$knum % 8 + 16); | |
$tmp = ''; | |
$j=0; $k = 0; | |
$tlen = strlen($txt); | |
$klen = strlen($mdKey); | |
for ($i=0; $i<$tlen; $i++) { | |
$k = $k == $klen ? 0 : $k; | |
$j = strpos($chars,$txt[$i])-$nhnum - ord($mdKey[$k++]); | |
while ($j<0) $j+=64; | |
$tmp .= $chars[$j]; | |
} | |
$tmp = str_replace(array('-','_','.'),array('+','/','='),$tmp); | |
return trim(base64_decode($tmp)); | |
} | |
} | |
/* How to use Class */ | |
$hash = new Encryption(); | |
$setKey = "xyz"; | |
$txt = "What you want to encrypt"; | |
echo $hash->encrypt($txt, $setKey); // Ouput: Encrypt text | |
// replace ->encrypt($txt, $setKey) with ->decrypt($txt, $setKey) |
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