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Multi criptografador
Vou mostrar aqui um script que encontrei em um fórum gringo que tem a função de criptografar e descriptografar strings de diversas maneiras, tais como binário, hexadecimal, MD5 etc.
É bom para estudar um pouco sobre essas chaves.
O script é livre e open-source.
Eu poderia disponibilizar o link para o original, mas em versões do PHP atualizadas ele apresenta alguns erros, então, deixo aí a versão corrigida:
É bom para estudar um pouco sobre essas chaves.
O script é livre e open-source.
Eu poderia disponibilizar o link para o original, mas em versões do PHP atualizadas ele apresenta alguns erros, então, deixo aí a versão corrigida:
Código PHP:
<?php
error_reporting(0);
/*
* The xlate source for the website http://paulschou.com/tools/xlate/
*
* By using this source code you agree to do the following:
* - Link back to my site in some manner to show support
* - Use -> Modify -> Share (aka: GNU License)
*
* If you find youself unable to perform these tasks, this source code
* is *not* for you and should be deleted now.
*
* Modificado por 0KaL
*
*/ // P.S. Donations are always appreciated. :-)
static $binary;
static $ascii;
static $hex;
static $b64;
static $char;
?><html>
<head>
<title>TRANSLATOR, BINARY</title>
<META NAME="description" CONTENT="Online tool to translate ASCII/ANSI, HEX, Binary, Base64, etc... Encoder/Decoder with MD2, MD4, MD5, SHA1+2, RIPEMD, CRC, etc. hashing algorithms.">
<META NAME="keywords" CONTENT="binary encoder, binary decoder, binary translator, binary tools, binary converter, hexadecimal encoder/decoder, base 64, MD5, Message-Digest algorithm, CRC, Cyclic Redundancy Check, SHA, Secure Hash Algorithm, RIPEMD, RACE Integrity Primitives Evaluation Message Digest">
<style>
.ff{font-size: 10px;
font-family:verdana,arial,helvetica,sans;
color: #333333;
background: #eee;
}
.btn{
font-size: 8px;
font-family:verdana,arial,helvetica,sans;
color: #333333;
background: #eee;
}
BODY{
scrollbar-3dlight-color:#999999;
scrollbar-arrow-color:#999999;
scrollbar-base-color:#DDDDDD;
scrollbar-darkshadow-color:#999999;
scrollbar-face-color:#DDDDDD;
scrollbar-highlight-color:#DDDDDD;
scrollbar-shadow-color:#DDDDDD;
scrollbar-track-color:#CCCCCC;
}
</style>
</head>
<body bgcolor="#ffffff" text="#000">
<center>
<table border=0 cellspacing=0 cellpadding=0><tr><td align=center>
<font face="verdana,arial,helvetica" size=1>
<h1>TRANSLATOR, BINARY</h1>
<p><b>Please note:</b><br> This application encodes and decodes
<a href="http://en.wikipedia.org/wiki/ASCII">ASCII</a> and
<a href="http://en.wikipedia.org/wiki/ANSI">ANSI</a>
text. <br>Only codepoints < 128 are ASCII. This is provided for educational and entertainment use only.</p>
<table border=0 cellspacing=0 cellpadding=10>
<tr><form method="POST"><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>[ <a href="../ascii/">TEXT</a> ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="ascii" class="ff"><?php
ini_set("magic_quotes_runtime", 0);
foreach($_POST as $key=>$val){ $$key = stripslashes($val); }
#$_POST[ascii] = str_replace("\\'","'",$_POST[ascii]);
#$_POST[ascii] = str_replace("\\\"","\"",$_POST[ascii]);
#$_POST[ascii] = str_replace("\\\\","\\",$_POST[ascii]);
if($ascii != "") print htmlentities($ascii);
else {
if($binary != "") {
$binary_ = preg_replace("/[^01]/","", $binary);
for($i = 0; $i < strlen($binary_); $i = $i + 8)
$ascii = $ascii.chr(bindec(substr($binary_, $i, 8)));
}
if($hex != "") {
$hex_ = preg_replace("/[^0-9a-fA-F]/","", $hex);
for($i = 0; $i < strlen($hex_); $i = $i + 2)
$ascii = $ascii.chr(hexdec(substr($hex_, $i, 2)));
}
if($b64 != "") {
//$ascii = gzinflate($gzip);
$ascii = base64_decode($b64);
}
if($char != "") {
$char_ = preg_split("/\\D+/",trim($char));
foreach ($char_ as $key)
$ascii = $ascii.chr($key);
}
echo htmlentities($ascii);
}
?></textarea>
<br>
<input type="submit" class="btn" value="< ENCODE >">
</td></form><form method="POST"><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>2 [ <a href="http://en.wikipedia.org/wiki/Binary_numeral_system"><acronym title="Binary">BINARY</acronym></a> ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="binary" class="ff"><?php
if($binary != "") echo $binary;
else if($ascii != "") {
$val = strval(decbin(ord(substr($ascii, 0, 1))));
echo str_repeat("0", 8-strlen($val)).$val;
for($i = 1; $i < strlen($ascii); $i = $i + 1) {
$val = strval(decbin(ord(substr($ascii, $i, 1))));
echo " ".str_repeat("0", 8-strlen($val)).$val;
}
}
?></textarea>
<br>
<input type="submit" class="btn" value="< DECODE >">
</td></form><form method="POST"><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>4 [ <a href="http://en.wikipedia.org/wiki/Hexidecimal"><acronym title="Hexidecimal">HEX</acronym></a> ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="hex" class="ff"><?php
if($hex != "") echo $hex;
else if($ascii != "") {
$val = dechex(ord(substr($ascii, 0, 1)));
echo str_repeat("0", 2-strlen($val)).$val;
for($i = 1; $i < strlen($ascii); $i = $i + 1) {
$val = dechex(ord(substr($ascii, $i, 1)));
echo " ".str_repeat("0", 2-strlen($val)).$val;
}
}
?></textarea>
<br>
<input type="submit" class="btn" value="< DECODE >">
</td></tr></form>
<?php
/*
<!--OCT-->
<form method="POST"><tr><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>3 [ OCT ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="oct" class="ff"><?php
if($oct != "") echo $oct;
else if($ascii != "") {
$val = 0;
for($i = 0; $i < strlen($ascii); $i = $i + 3) {
$val = ord(substr($ascii, $i, 1));
$val = $val * 256 + ord(substr($ascii, $i + 1, 1));
$val = $val * 256 + ord(substr($ascii, $i + 2, 1));
//echo "debug $val topbit = ".intval($val / 64 / 64 / 64)."\n";
printf("%08d",oct_decode($val));
$val = 0;
}
if($val > 0) echo oct_decode($val);
}
function b64_decode($val) {
$tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
if($val >= 64) return oct_decode(intval($val / 64))."".substr($tab,$val%64,1);
return substr($tab,$val,1);
}
function oct_decode($val) {
if($val >= 8) return oct_decode(intval($val / 8))."".($val%8);
return "".$val;
}
*/
?></textarea>
<br>
<?php //<input type="submit" class="btn" value="< DECODE >">?>
</td></form>
<!--BASE 64-->
<form method="POST"><tr><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>6 [ <a href="http://en.wikipedia.org/wiki/Base64">BASE64</a> ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="b64" class="ff"><?php
if($b64 != "") echo $b64;
else if($ascii != "") {
echo base64_encode($ascii);
//$gzip = gzencode($ascii, 9);
//echo substr($gzip,10,strlen($gzip)-19);
}
?></textarea>
<br>
<input type="submit" class="btn" value="< DECODE >">
</td></form>
<!--CHAR-->
<form method="POST"><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>[ DEC / CHAR ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="char" class="ff"><?php
if($char != "") echo $char;
else if($ascii != "") {
echo ord(substr($ascii, 0, 1));
for($i = 1; $i < strlen($ascii); $i = $i + 1)
echo " ".ord(substr($ascii, $i, 1));
}
?></textarea>
<br>
<input type="submit" class="btn" value="< DECODE >">
</td></form><form method="POST"><td align=center valign=top>
<font face="verdana,arial,helvetica" size=1>
<b>[ MESSAGE DIGEST / CHECK SUM ]</b><br>
<textarea cols=48 rows=15 wrap="virtual" name="char" class="ff"><?php
$tmpfname = tempnam("/tmp", "xlate");
$handle = fopen($tmpfname, "w");
fwrite($handle, $ascii);
fclose($handle);
#echo "MD2: ".exec("/home/paulscho/bin/md2 $tmpfname")."\n";
echo "MD2: ".openssl("md2",$tmpfname)."\n";
#echo "MD4: ".exec("/home/paulscho/bin/md4 $tmpfname")."\n";
echo "MD4: ".openssl("md4",$tmpfname)."\n";
echo "MD5: ".md5($ascii)."\n";
echo "CRC 8, ccitt, 16, 32 : ".
# exec("/home/paulscho/bin/crc8 $tmpfname").", ".
# exec("/home/paulscho/bin/crcc $tmpfname").", ".
# exec("/home/paulscho/bin/crc16 $tmpfname").", ".
exec("/usr/bin/crc32 $tmpfname")."\n\n";
#crc32($ascii)."\n\n";
echo "CRYPT (form: $ MD5? $ SALT $ CRYPT):\n".crypt($ascii)."\n";
echo " (form: SALT[2] CRYPT[11]):\n".crypt($ascii,"ps")."\n\n";
#include("sha1lib.class.inc.php");
#$sha = new Sha1Lib;
#echo "SHA1:".base64_encode($sha->str_sha1($ascii))."\n";
$sha1 = explode("= ",exec("/usr/bin/openssl dgst -sha1 $tmpfname"));
echo "SHA1: $sha1[1]";
#$ascii = $sha->str_sha1($ascii);
#for($i = 1; $i < strlen($ascii); $i = $i + 1) {
# $val = dechex(ord(substr($ascii, $i, 1)));
# echo "".str_repeat("0", 2-strlen($val)).$val;
#}
echo "\n";
#echo "RIPEMD-160: ".splitn(60,exec("/home/paulscho/bin/ripemd160 $tmpfname"))."\n";
echo "RIPEMD-160: ".splitn(60,openssl("rmd160",$tmpfname))."\n";
#echo "SHA2-256: ".split32(exec("/home/paulscho/bin/sha2-256 $tmpfname"))."\n";
#echo "SHA2-384: ".split32(exec("/home/paulscho/bin/sha2-384 $tmpfname"))."\n";
#echo "SHA2-512: ".split32(exec("/home/paulscho/bin/sha2-512 $tmpfname"))."\n";
unlink($tmpfname);
function openssl($dgst = "sha1", $filename) {
$sha1 = explode("= ",exec("/usr/bin/openssl dgst -$dgst $filename"));
return trim($sha1[1]);
}
?></textarea>
<br>
(This cannot be decoded<sup>*</sup>)
</td></tr></form></table>
<?php
/*
* Here is the hint that I am a poor student and need support. Please
* help by donating. : ) - Paul Schou
*/
?>
Happy? A small donation goes a long ways!<br>
<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="2085257">
<input type="image" src="http://home1.paulschou.net/tools/xlate/btn_donateCC_LG.gif" border="0" name="submit" alt="">
</form>
<!-- Begin Amazon Honor System Paybox
<img src="http://zme.amazon.com/exec/varzea/tipbox/A1CBRVSXMK4KOO/T20ZXC2H8KDUOK" usemap="#T20ZXC2H8KDUOK" border="0" alt="Amazon Honor System" width="468" height="60" >
<map name="T20ZXC2H8KDUOK">
<area coords="350,0,460,60" href="http://zme.amazon.com/exec/varzea/pay/T20ZXC2H8KDUOK" alt="Click Here to Pay" target=_top>
<area coords="165,40,310,55" href="http://zme.amazon.com/exec/varzea/subst/fx/help/how-we-know.html" alt="Learn More" target=_top>
</map>
<!-- End Amazon Honor System Paybox -->
<br>
<sup>*</sup>Cannot be decoded easily (within my lifespan).
The source code for this page is available <a href="source.php">here</a>.<br>
Credit for this idea goes to http://nickciske.com/binary/ in its original form in 2000.
</center>
<?php
function split32($text) {
$string = "";
for($i = 0; $i < strlen($text); $i = $i + 32) {
$string = "$string\n ".substr($text, $i, 32);
}
return $string;
}
function splitn($n,$text) {
$string = "";
for($i = 0; $i < strlen($text); $i = $i + $n) {
$string = "$string\n ".substr($text, $i, $n);
}
return $string;
}
?>
<div>
Mirrors desta página:
<a href="http://home1.paulschou.net/tools/xlate/">home1</a> -
<a href="http://home2.paulschou.net/tools/xlate/">home2</a> -
<a href="http://home3.paulschou.net/tools/xlate/">home3</a><br>
<a href="http://bmdsound.com">Sound Productions</a>
</div>
</body>
</html>
