He localizado la función que desencripta..
Pero no me entero de nada. Creo que convierte a hexadecimal pero he realizado pruebas con una clave conocida y no da el resultado ni por asomo, tanto en MD5 Sha1
Código PHP:
function getCryptedPassword($plaintext, $salt = '', $encryption = 'md5-hex', $show_encrypt = false)
{
// Get the salt to use.
$salt = JUserHelper::getSalt($encryption, $salt, $plaintext);
// Encrypt the password.
switch ($encryption)
{
case 'plain' :
return $plaintext;
case 'sha' :
$encrypted = base64_encode(mhash(MHASH_SHA1, $plaintext));
return ($show_encrypt) ? '{SHA}'.$encrypted : $encrypted;
case 'crypt' :
case 'crypt-des' :
case 'crypt-md5' :
case 'crypt-blowfish' :
return ($show_encrypt ? '{crypt}' : '').crypt($plaintext, $salt);
case 'md5-base64' :
$encrypted = base64_encode(mhash(MHASH_MD5, $plaintext));
return ($show_encrypt) ? '{MD5}'.$encrypted : $encrypted;
case 'ssha' :
$encrypted = base64_encode(mhash(MHASH_SHA1, $plaintext.$salt).$salt);
return ($show_encrypt) ? '{SSHA}'.$encrypted : $encrypted;
case 'smd5' :
$encrypted = base64_encode(mhash(MHASH_MD5, $plaintext.$salt).$salt);
return ($show_encrypt) ? '{SMD5}'.$encrypted : $encrypted;
case 'aprmd5' :
$length = strlen($plaintext);
$context = $plaintext.'$apr1$'.$salt;
$binary = JUserHelper::_bin(md5($plaintext.$salt.$plaintext));
for ($i = $length; $i > 0; $i -= 16) {
$context .= substr($binary, 0, ($i > 16 ? 16 : $i));
}
for ($i = $length; $i > 0; $i >>= 1) {
$context .= ($i & 1) ? chr(0) : $plaintext[0];
}
$binary = JUserHelper::_bin(md5($context));
for ($i = 0; $i < 1000; $i ++) {
$new = ($i & 1) ? $plaintext : substr($binary, 0, 16);
if ($i % 3) {
$new .= $salt;
}
if ($i % 7) {
$new .= $plaintext;
}
$new .= ($i & 1) ? substr($binary, 0, 16) : $plaintext;
$binary = JUserHelper::_bin(md5($new));
}
$p = array ();
for ($i = 0; $i < 5; $i ++) {
$k = $i +6;
$j = $i +12;
if ($j == 16) {
$j = 5;
}
$p[] = JUserHelper::_toAPRMD5((ord($binary[$i]) << 16) | (ord($binary[$k]) << 8) | (ord($binary[$j])), 5);
}
return '$apr1$'.$salt.'$'.implode('', $p).JUserHelper::_toAPRMD5(ord($binary[11]), 3);
case 'md5-hex' :
default :
$encrypted = ($salt) ? md5($plaintext.$salt) : md5($plaintext);
return ($show_encrypt) ? '{MD5}'.$encrypted : $encrypted;
}
}
Alquien que sepa php podría indicarme ?