Online PHP editor | output for RdqJY

@ 2017-02-04T03:00:07Z

<?php

function strToHex($string){
    $hex = '';
    for ($i=0; $i<strlen($string); $i++){
        $ord = ord($string[$i]);
        $hexCode = dechex($ord);
        $hex .= substr('0'.$hexCode, -2);
    }
    return strToUpper($hex);
}
function hexToStr($hex){
    $string='';
    for ($i=0; $i < strlen($hex)-1; $i+=2){
        $string .= chr(hexdec($hex[$i].$hex[$i+1]));
    }
    return $string;
}

function fxor($key, $text){

 // Our output text
 $outText = '';
 
 // Iterate through each character
 for($i=0;$i<strlen($text);) // Dont need to increment here
 {
     for($j=0;$j<strlen($key);$j++,$i++)
     {
         $outText .= $text{$i} ^ $key{$j};
     }
 }
 return $outText;
}

    $ciphertext_base64 = 'sf7PwIfhqofFlKAIgYMKEbExOoVzSj9A0KDwKMJY62k%3D';
    
    $ciphertextHex = strToHex($ciphertext_base64);
    echo "ciipher hex: " . $ciphertextHex . "\n";
    
    $hexToBase = hexToStr($ciphertextHex);
    echo "hexToBase: " . $hexToBase . "\n";

    echo  "ciher base: " . $ciphertext_base64 . "\n";
    $ciphertext_dec = base64_decode($ciphertext_base64);
         # --- DECRYPTION ---
    
    echo "cipher text dec: " . $ciphertext_dec . "\n";
    echo "ciher dec in hex" . strToHex($ciphertext_dec) . "\n";
    
    $iv = substr($ciphertext_dec,0, 16);
    $res = substr($ciphertext_dec, 16, strlen($ciphertext_dec)-16);
    
    echo "---iv: " . $iv . "\n";
    echo "---res: " . $res . "\n";
    
    # retrieves the IV, iv_size should be created using mcrypt_get_iv_size()
    $iv_dec = substr($ciphertext_dec, 0, 16);
    echo "iv dec: " . $iv_dec . "\n";
    
    # retrieves the cipher text (everything except the $iv_size in the front)
    $ciphertext_dec = substr($ciphertext_dec, 16);
    echo "on the right: " . $ciphertext_dec . "\n";
    
    $ivHex = strToHex($iv_dec);
    
    echo "change string to hex (iv): " .$ivHex . "\n";
    echo "w druga manke: " . hexToStr($ivHex) . "\n";
    
    $onRightHex = strToHex($ciphertext_dec);
    echo "onRight in hex: " . $onRightHex . "\n";
    echo "w druga manke: " . hexToStr( strToHex($ciphertext_dec) ) . "\n";
    
    $testHex = strToHex('id=1');
    $adHex = strToHex('id=2');

    echo "testHex: " . $testHex . "\n";
    echo "adHex: " . $adHex . "\n";
    
    $xta = strToUpper( dechex(hexdec($testHex) ^ hexdec($adHex)) );
 #   $myXor = fxor($testHex, $adHex );
    echo "xta: " . $xta . "\n";
 #   echo "myXor: " . $myXor . "\n";
    
    $ivHex2 = substr($ivHex, 16, 32);
    $ivHex1 = substr($ivHex, 0, 16);
    echo "ivHex2: " . $ivHex2 . "\n";
    echo "ivHex1: " . $ivHex1 . "\n";
    $xivxta = strToUpper( dechex(hexdec($xta) ^ hexdec($ivHex2)) );
    echo "xivxta: " . $xivxta . "\n";
    
    $cmpHex = $ivHex1 . $xivxta . $onRightHex;
    echo "cmpHex: " . $cmpHex . "\n";
    
    $cmpStr = hexToStr($cmpHex);
    echo "cmpStr: " . $cmpStr . "\n";
    
    $cmpB = base64_encode($cmpStr);
    echo "cmpB: " . $cmpB;
   
?>

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/RdqJY on line 30
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/RdqJY on line 30
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/RdqJY on line 30 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/RdqJY on line 30 ciipher hex: 7366375077496668716F66466C4B414967594D4B456245784F6F567A536A3941304B44774B4D4A5936326B253344 hexToBase: sf7PwIfhqofFlKAIgYMKEbExOoVzSj9A0KDwKMJY62k%3D ciher base: sf7PwIfhqofFlKAIgYMKEbExOoVzSj9A0KDwKMJY62k%3D cipher text dec: ��᪇Ŕ�� 1:�sJ?@Р�(�X�i7 ciher dec in hexB1FECFC087E1AA87C594A00881830A11B1313A85734A3F40D0A0F028C258EB6937 ---iv: ��᪇Ŕ�� ---res: �1:�sJ?@Р�(�X�i7 iv dec: ��᪇Ŕ�� on the right: �1:�sJ?@Р�(�X�i7 change string to hex (iv): B1FECFC087E1AA87C594A00881830A11 w druga manke: ��᪇Ŕ�� onRight in hex: B1313A85734A3F40D0A0F028C258EB6937 w druga manke: �1:�sJ?@Р�(�X�i7 testHex: 69643D31 adHex: 69643D32 xta: 3 ivHex2: C594A00881830A11 ivHex1: B1FECFC087E1AA87 xivxta: C594A00881830803 cmpHex: B1FECFC087E1AA87C594A00881830803B1313A85734A3F40D0A0F028C258EB6937 cmpStr: ��᪇Ŕ��1:�sJ?@Р�(�X�i7 cmpB: sf7PwIfhqofFlKAIgYMIA7ExOoVzSj9A0KDwKMJY62k3
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33: ciipher hex: 7366375077496668716F66466C4B414967594D4B456245784F6F567A536A3941304B44774B4D4A5936326B253344 hexToBase: sf7PwIfhqofFlKAIgYMKEbExOoVzSj9A0KDwKMJY62k%3D ciher base: sf7PwIfhqofFlKAIgYMKEbExOoVzSj9A0KDwKMJY62k%3D cipher text dec: ��᪇Ŕ�� 1:�sJ?@Р�(�X�i7 ciher dec in hexB1FECFC087E1AA87C594A00881830A11B1313A85734A3F40D0A0F028C258EB6937 ---iv: ��᪇Ŕ�� ---res: �1:�sJ?@Р�(�X�i7 iv dec: ��᪇Ŕ�� on the right: �1:�sJ?@Р�(�X�i7 change string to hex (iv): B1FECFC087E1AA87C594A00881830A11 w druga manke: ��᪇Ŕ�� onRight in hex: B1313A85734A3F40D0A0F028C258EB6937 w druga manke: �1:�sJ?@Р�(�X�i7 testHex: 69643D31 adHex: 69643D32 xta: 3 ivHex2: C594A00881830A11 ivHex1: B1FECFC087E1AA87 xivxta: C594A00881830803 cmpHex: B1FECFC087E1AA87C594A00881830803B1313A85734A3F40D0A0F028C258EB6937 cmpStr: ��᪇Ŕ��1:�sJ?@Р�(�X�i7 cmpB: sf7PwIfhqofFlKAIgYMIA7ExOoVzSj9A0KDwKMJY62k3

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