<link href="/bitrix/js/crypto-pro/demopage.css" rel="stylesheet" type="text/css">
<script src="/bitrix/js/crypto-pro/es6-promise.js"></script>
<script language="javascript">window.allow_firefox_cadesplugin_async=1</script>
<script language="javascript" src="/bitrix/js/crypto-pro/ie_eventlistner_polyfill.js"></script>
<script language="javascript" src="/bitrix/js/crypto-pro/cadesplugin_api.js"></script>
<script language="javascript" src="/bitrix/js/crypto-pro/Code.js"></script>
<script language="javascript" src="/bitrix/js/crypto-pro/nmcades_plugin_api.js"></script>
<script language="javascript" src="/bitrix/js/crypto-pro/async_code.js"></script>
<script type="text/javascript" src="chrome-extension://iifchhfnnmpdbibifmljnfjhpififfog/nmcades_plugin_api.js"></script>

<script type="text/javascript">

cadesplugin.then(function () {
Common_CheckForPlugIn();
},
function(error) {
alert("error")
}
);
</script>

<div id="min-width">
<div id="container">
<table>

<tr>
<td>
<div class="mainContent">
<div id="left-col">
<p id="info_msg" name="CertificateTitle">Сертификат:</p>
<div id="item_border" name="CertListBoxToHide">
<select size="4" name="CertListBox" id="CertListBox" style="width:100%;resize:none;border:0;">
</select>
</div>
<div id="cert_info" style="display:none">
<h2>Информация о сертификате</h2>
<p class="info_field" id="subject"></p>
<p class="info_field" id="issuer"></p>
<p class="info_field" id="from"></p>
<p class="info_field" id="till"></p>
<p class="info_field" id="provname"></p>
<p class="info_field" id="algorithm"></p>
<p class="info_field" id="status"></p>
</div>
<div id="item_border">
<textarea id="DataToSignTxtBox" name="DataToSignTxtBox" style="display: none; height:200px;width:100%;resize:none;border:0;">
<?=$html;?> //сдесь лежит документ, который надо подписать
</textarea>
</div>
<p></p>
<p></p>
<div class="layout">
<input id="SignBtn" type="button" value="Подписать ЭЦП" name="SignData" onclick="Common_SignCadesBES('CertListBox');" />
</div>

<p id="info_msg" name="SignatureTitle">Подпись:</p>
<div id="item_border">
<textarea id="SignatureTxtBox" style="font-size:9pt;height:600px;width:100%;resize:none;border:0;">
</textarea>

<script language="javascript">
var txtDataToSign = "Hello World";
document.getElementById("SignatureTxtBox").innerHTML = "";
var canPromise = !!window.Promise;
if(canPromise) {
cadesplugin.then(function () {
Common_CheckForPlugIn();
},
function(error) {
document.getElementById('PluginEnabledImg').setAttribute("src", "Img/red_dot.png");
document.getElementById('PlugInEnabledTxt').innerHTML = error;
}
);
} else {
window.addEventListener("message", function (event){
if (event.data == "cadesplugin_loaded") {
CheckForPlugIn_NPAPI();
} else if(event.data == "cadesplugin_load_error") {
document.getElementById('PluginEnabledImg').setAttribute("src", "Img/red_dot.png");
document.getElementById('PlugInEnabledTxt').innerHTML = "Плагин не загружен";
}
},
false);
window.postMessage("cadesplugin_echo_request", "*");
}
</script>
</div>
<p></p>

</div>

</div>
</td>
</tr>
</table>
</div>

</div>

//отправим на прокси сервер
<form method="post" action="http://192.168.9.7:8000/Service">
<input type="hidden" name="filecontent" value="<?=$html?>">
<input type="hidden" name="filename" value="filetosign1.txt">
<input type="hidden" name="backpost" value="https://192.168.5.22/get_excel/vote_criptopro.php?ID=1_pdf">
<input type="hidden" name="signaturetype" value="CMS:IsDetached=false;">
<input type="hidden" name="documentInfo" value="SGVsbG8=">
<input type="submit" value="Отправить" />
</form>