function crypto_caesar_2_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true);
$solution = WC_CryptoChall::generateSolution('The_Foo!The!Bar_The!Lee', true, true);
$pt = $chall->lang('plaintext', array($solution));
// $pt = strtoupper($pt);
// $pt = preg_replace('/[^A-Z]/', '', $pt);
$ct = crypto_caesar_2_encrypt($pt);
return WC_CryptoChall::hexdump($ct);
}
function crypto_sub2_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true);
$solution = WC_CryptoChall::generateSolution('The_GHttttttEEEEZZ', true, true);
$chars1 = array();
for ($i = 0; $i < 256; $i++) {
$chars1[] = chr($i);
}
$chars2 = array();
for ($i = 0; $i < 256; $i++) {
$chars2[] = chr($i);
}
shuffle($chars1);
shuffle($chars2);
$map = array();
for ($i = 0; $i < 256; $i++) {
$map[$chars1[$i]] = $chars2[$i];
}
$pt = $chall->lang('plaintext', array($solution));
$ct = crypto_sub2_encrypt($pt, $map);
return WC_CryptoChall::hexdump($ct);
}
