Ejemplo n.º 1
0
function alfabetAnalyse($codtxt, $alfa)
{
    global $AP, $ks_hilf;
    $alfahier = @hauf($codtxt);
    for ($t = 0; $t < sizeof($alfahier); $t++) {
        $p[] = 100 * prob($alfahier[$t], strlen($codtxt));
    }
    $alfahier = $p;
    $VX = varianz($AP[de]);
    $SX = sqrt(varianz($AP[de]));
    $VY = varianz($alfahier);
    $SY = sqrt(varianz($alfahier));
    $cov = covarianz($AP[de], $alfahier);
    $r = @abs($cov / sqrt($VX * $VY));
    for ($t = 0; $t < sizeof($alfa); $t++) {
        $ba1 .= "<img src={$ks_hilf['pfad']}/image/letter" . $t . ".gif border=0><img src={$ks_hilf['pfad']}/image/bar0.jpg width=3 border=0>";
        $ba2 .= "<img src={$ks_hilf['pfad']}/image/letter" . ($t + $rotv) % sizeof($alfa) . ".gif border=0><img src={$ks_hilf['pfad']}/image/bar0.jpg width=3 border=0>";
    }
    $out .= '<table border=0><tr><td>
            <b>Normales Alfabet</b><br>Statistische Daten:<br>' . '<br>Varianz: ' . round($VX, 5) . '<br>StdAbw:  ' . round($SX, 5) . '</td><td valign=middle>' . showakt($AP[de], 50, 1, 5, 3, 0) . '<center><div class=text7 >' . $ba1 . '</div></center>' . '</td></tr>' . '<tr><td>' . '<br><b>vorliegendes Alfabet</b><br>Statistische Daten:<br>' . '<br>Varianz:    ' . round($VY, 5) . '<br>StdAbw:     ' . round($SY, 5) . '<br>' . '</td><td valign=middle><br>' . showakt($alfahier, 50, 1, 5, 3, 0) . '<center><div class=text7 >' . $ba2 . '</div></center>' . '</td></tr><tr><td>' . '<br>Zeichen:    ' . strlen($codtxt) . '<br>Entropie:   ' . round(entropie($codtxt), 5) . '<br>KI-Index:   ' . round(koinzidenzIndex($codtxt), 5) . '</td><td>' . '<br>GV-Maß1:    ' . round(gvmass($codtxt, $alfahier), 5) . '<br>GV-Maß2:    ' . round(gvmass2($codtxt, $alfahier), 5) . '</td></tr></table><div class=text10><br>Kovarianz:  ' . round($cov, 5) . '<br>KorrKoeff:  ' . round($r, 5) . '</div>';
    return $out;
}
Ejemplo n.º 2
0
function findpw_ak($text, $pwl)
{
    # Passwort ermitteln für Autokey
    global $alfa;
    global $AP;
    $texte = trennen($text, $pwl);
    for ($t = 0; $t < sizeof($texte); $t++) {
        unset($arr);
        for ($u = 0; $u < sizeof($alfa); $u++) {
            $arr[] = koinzidenzIndex(dekAutokey($texte[$t], $alfa[$u], $alfa));
        }
        #echo '<br>';
        $y[$t][0] = array_search(min($arr), $arr);
        #echo $alfa[$y[$t][0]].$y[$t][0]." ";
        $arr2 = array_merge(array_slice($arr, 0, $y[$t][0] - 1), array_slice($arr, $y[$t][0] + 1, sizeof($arr)));
        $y[$t][1] = array_search(min($arr2), $arr2);
        if ($y[$t][1] >= $y[$t][0]) {
            $y[$t][1]++;
            $y[$t][1]++;
        }
        #echo $alfa[$y[$t][1]].$y[$t][1];
        $rot1 = abs(13 - findrot(dekAutokey($texte[$t], $alfa[$y[$t][0]], $alfa)));
        $rot2 = abs(13 - findrot(dekAutokey($texte[$t], $alfa[$y[$t][1]], $alfa)));
        #echo ' '.$rot1.' '.$rot2;
        if ($rot1 == 13) {
            $letter = $alfa[$y[$t][0]];
        }
        if ($rot2 == 13) {
            $letter = $alfa[$y[$t][1]];
        }
        $pass = $pass . $letter;
    }
    return $pass;
}