Online PHP editor | rfc for 6rd3r

@ 2017-03-08T10:15:51Z

<?php
$data = "wpdPVWejqNRYqDTeUJ2Iw06/rnfHAoy5jtgTojiilD0=";
$pwd = "ICS2015";
$salt = "7";



$dec = Decrypt($data, $pwd, $salt);
echo "Dec: " . $dec . "\r\n";

$enc = Encrypt("boy10@naver.com", $pwd, $salt);
echo "Enc: " . $enc . "\r\n";



function Decrypt($ciphertext, $password, $salt)
{
  $ciphertext = base64_decode($ciphertext);
  $key = PBKDF1($password, $salt, 100, 32);
  $iv = PBKDF1($password, $salt, 100, 16);

  // NB: Need 128 not 256 and CBC mode to be compatible
  $decpad = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $ciphertext, MCRYPT_MODE_CBC, $iv);
  
  $pad = ord($decpad[($len = strlen($decpad)) - 1]);
  $dec = substr($decpad, 0, strlen($decpad) - $pad);
  
  return $dec;
}


function Encrypt($ciphertext, $password, $salt)
{

  $key = PBKDF1($password, $salt, 1000, 32);
  echo "key: " . base64_encode($key) . "\r\n";
  $iv = PBKDF1($password, $salt, 1000, 16);

     return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $ciphertext, MCRYPT_MODE_CBC, $iv));
}


function PBKDF1($pass,$salt,$count,$dklen) { 
    $t = $pass.$salt;
    //echo 'S||P: '.bin2hex($t).'<br/>';
    $t = sha1($t, true); 
    //echo 'T1:' . bin2hex($t) . '<br/>';
    for($i=2; $i <= $count; $i++) { 
        $t = sha1($t, true); 
        //echo 'T'.$i.':' . bin2hex($t) . '<br/>';
    } 
    $t = substr($t,0,$dklen); 
    return $t;      
}
?>

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function mcrypt_decrypt() in /in/6rd3r:23 Stack trace: #0 /in/6rd3r(8): Decrypt('\xC2\x97OUg\xA3\xA8\xD4X\xA84\xDEP\x9D\x88...', 'ICS2015', '7') #1 {main} thrown in /in/6rd3r on line 23
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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