<?php
function decryptAES($picc, $key, $iv) {
    // Wandelt den hexadezimalen String in binäre Daten um
    $piccBinary = hex2bin($picc);
 
    // Entschlüsselt die Daten mit AES-128-CBC
    $decryptedData = openssl_decrypt($piccBinary, 'AES-128-CBC', $key, OPENSSL_RAW_DATA, $iv);
 
    // Wandelt die entschlüsselten Daten in einen hexadezimalen String um
    return bin2hex($decryptedData);
}
 
// Initialisierung der Parameter
$iv = str_repeat("\x00", 16); // 16 Nullen
$key = "00000000000000000000000000000000";
$picc = "EF963FF7828658A599F3041510671E88";
 
// Aufruf der Funktion
$result = decryptAES($picc, $key, $iv);
echo "iv: $iv\n";
echo "picc: $picc\n";
echo "Ergebnis: $result\n"
?>
 

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