Question

php 翻译成 .net C#

$key = 'iRraEnvnhg';
function xintong_encode($txt, $key)
{
srand((double)microtime() * 1000000);
$encrypt_key = md5(rand(0, 32000));
$ctr = 0;
$tmp = '';
for($i = 0;$i < strlen($txt); $i++)
{
$ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
$tmp .= $encrypt_key[$ctr].($txt[$i] ^ $encrypt_key[$ctr++]);
}
return base64_encode(xintong_key($tmp, $key));
}

function xintong_decode($txt, $key)
{
$txt = xintong_key(base64_decode($txt), $key);
$tmp = '';
for ($i = 0;$i < strlen($txt); $i++)
{
$md5 = $txt[$i];
$tmp .= $txt[++$i] ^ $md5;
}
return $tmp;
}
function xintong_key($txt, $encrypt_key)
{
$encrypt_key = md5($encrypt_key);
$ctr = 0;
$tmp = '';
for($i = 0; $i < strlen($txt); $i++)
{
$ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
$tmp .= $txt[$i] ^ $encrypt_key[$ctr++];
}
return $tmp;
}

试一下解密：
UTZVYQNtBWEFblJmBjAAYgQ0UWJWMQ==
B2AANABhVDZVOVFiAjNQOlRqUW5XNw==

解密成功是电话号码！翻译成.net C#版本的

Answer 1

.net C#
翻译好了。