PHP hex_to_base64の例

コード例 #1

ファイル: f.php プロジェクト: AluminumDev/jirafeau

        document.getElementById('submit_post').submit ();"/><?php 
    }
    echo '</td></tr>';
    echo '</table></fieldset></form></div>';
    require JIRAFEAU_ROOT . 'lib/template/footer.php';
    exit;
}
header('HTTP/1.0 200 OK');
header('Content-Length: ' . $link['file_size']);
if (!jirafeau_is_viewable($link['mime_type']) || !$cfg['preview'] || $do_download) {
    header('Content-Disposition: attachment; filename="' . $link['file_name'] . '"');
} else {
    header('Content-Disposition: filename="' . $link['file_name'] . '"');
}
header('Content-Type: ' . $link['mime_type']);
header('Content-MD5: ' . hex_to_base64($link['md5']));
/* Read encrypted file. */
if ($link['crypted']) {
    /* Init module */
    $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
    /* Extract key and iv. */
    $md5_key = md5($crypt_key);
    $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
    /* Init module. */
    mcrypt_generic_init($m, $md5_key, $iv);
    /* Decrypt file. */
    $r = fopen(VAR_FILES . $p . $link['md5'], 'r');
    while (!feof($r)) {
        $dec = mdecrypt_generic($m, fread($r, 1024));
        print $dec;
        ob_flush();

コード例 #2

ファイル: convert_hex_to_base64.php プロジェクト: lucabro81/exercise-matasanocyptochallenge

<?php

include '../functions.php';
//################################# Convert hex to base64 #################################
echo "<strong>########### Convert hex to base64 ###########</strong><br>";
echo "<strong>input:</strong><br>";
echo "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d<br>";
echo "<strong>output:</strong><br>";
echo hex_to_base64('49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d');
echo "<br><br>";

コード例 #3

ファイル: convert-key.php プロジェクト: caoimhinp/kompromat

    if (!strstr($line, "=")) {
        continue;
    }
    list($lk, $lv) = explode("=", trim($line));
    $vars[trim($lk)] = trim($lv);
}
$n = $vars["n"];
$p = $vars["p"];
$q = $vars["q"];
$e = $vars["e"];
$d = $vars["d"];
$gmp_n = gmp_init($n, 16);
$gmp_p = gmp_init($p, 16);
$gmp_q = gmp_init($q, 16);
$gmp_e = gmp_init($e, 16);
$gmp_d = gmp_init($d, 16);
if (gmp_cmp($gmp_p, $gmp_q) < 0) {
    $tmp = $gmp_p;
    $gmp_p = $gmp_q;
    $gmp_q = $tmp;
}
$gmp_p1 = gmp_sub($gmp_p, 1);
$gmp_q1 = gmp_sub($gmp_q, 1);
$gmp_dp = gmp_mod($gmp_d, $gmp_p1);
$gmp_dq = gmp_mod($gmp_d, $gmp_q1);
$gmp_qi = gmp_invert($gmp_q, $gmp_p);
printf("n =%s\ne =%s\nd =%s\np =%s\nq =%s\ndp=%s\ndq=%s\nqi=%s\n", gmp_strval($gmp_n, 16), gmp_strval($gmp_e, 16), gmp_strval($gmp_d, 16), gmp_strval($gmp_p, 16), gmp_strval($gmp_q, 16), gmp_strval($gmp_dp, 16), gmp_strval($gmp_dq, 16), gmp_strval($gmp_qi, 16));
$der = sprintf("3082 %04x\n    0201 00\n    02%02x %s\n    02%02x %s\n    02%02x %s\n    02%02x %s\n    02%02x %s\n    02%02x %s\n    02%02x %s\n    02%02x %s\n", 19 + bytelen($gmp_n) + bytelen($gmp_e) + bytelen($gmp_d) + bytelen($gmp_p) + bytelen($gmp_q) + bytelen($gmp_dp) + bytelen($gmp_dq) + bytelen($gmp_qi), bytelen($gmp_n), bytepad($gmp_n), bytelen($gmp_e), bytepad($gmp_e), bytelen($gmp_d), bytepad($gmp_d), bytelen($gmp_p), bytepad($gmp_p), bytelen($gmp_q), bytepad($gmp_q), bytelen($gmp_dp), bytepad($gmp_dp), bytelen($gmp_dq), bytepad($gmp_dq), bytelen($gmp_qi), bytepad($gmp_qi));
echo "DER:\n{$der}\n";
echo "PEM:\n-----BEGIN RSA PRIVATE KEY-----\n" . hex_to_base64($der) . "\n-----END RSA PRIVATE KEY-----\n";