<html>
<head>
<script type="text/javascript">
function signDigest(text)
{
if(window.event)
window.event.cancelBubble = true;
var dest = sign(text); //TODO
//alert(dest);
document.getElementById('signtxt').value = dest;
return dest;
}
// CAPICOM constants
var CAPICOM_STORE_OPEN_READ_ONLY = 0;
var CAPICOM_CURRENT_USER_STORE = 2;
var CAPICOM_CERTIFICATE_FIND_SHA1_HASH = 0;
var CAPICOM_CERTIFICATE_FIND_EXTENDED_PROPERTY = 6;
var CAPICOM_CERTIFICATE_FIND_TIME_VALID = 9;
var CAPICOM_CERTIFICATE_FIND_KEY_USAGE = 12;
var CAPICOM_DIGITAL_SIGNATURE_KEY_USAGE = 0x00000080;
var CAPICOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME = 0;
var CAPICOM_INFO_SUBJECT_SIMPLE_NAME = 0;
var CAPICOM_ENCODE_BASE64 = 0;
var CAPICOM_E_CANCELLED = -2138568446;
var CERT_KEY_SPEC_PROP_ID = 6;
function IsCAPICOMInstalled()
{
if(typeof(oCAPICOM) == "object")
{
if( (oCAPICOM.object != null) )
{
// We found CAPICOM!
return true;
}
}
}
function FindCertificateByHash()
{
try
{
// instantiate the CAPICOM objects
var MyStore = new ActiveXObject("CAPICOM.Store");
// open the current users personal certificate store
MyStore.Open(CAPICOM_CURRENT_USER_STORE, "My", CAPICOM_STORE_OPEN_READ_ONLY);
// find all of the certificates that have the specified hash
var FilteredCertificates = MyStore.Certificates.Find(CAPICOM_CERTIFICATE_FIND_SHA1_HASH, strUserCertigicateThumbprint);
var Signer = new ActiveXObject("CAPICOM.Signer");
Signer.Certificate = FilteredCertificates.Item(1);
return Signer;
// Clean Up
MyStore = null;
FilteredCertificates = null;
}
catch (e)
{
if (e.number != CAPICOM_E_CANCELLED)
{
return new ActiveXObject("CAPICOM.Signer");
}
}
}
function sign(src)
{
if(window.crypto && window.crypto.signText)
return sign_NS(src);
return sign_IE(src);
}
function sign_NS(src)
{
alert(crypto);
var s = crypto.signText(src, "ask" );
return s;
}
function sign_IE(src)
{
try
{
// instantiate the CAPICOM objects
var SignedData = new ActiveXObject("CAPICOM.SignedData");
var TimeAttribute = new ActiveXObject("CAPICOM.Attribute");
// Set the data that we want to sign
SignedData.Content = src;
var Signer = FindCertificateByHash();
// Set the time in which we are applying the signature
var Today = new Date();
TimeAttribute.Name = CAPICOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME;
TimeAttribute.Value = Today.getVarDate();
Today = null;
Signer.AuthenticatedAttributes.Add(TimeAttribute);
// Do the Sign operation
var szSignature = SignedData.Sign(Signer, true, CAPICOM_ENCODE_BASE64);
return szSignature;
}
catch (e)
{
if (e.number != CAPICOM_E_CANCELLED)
{
alert("An error occurred when attempting to sign the content, the errot was: " + e.description);
}
}
return "";
}
</script>
</head>
<body>
<input id="text" type="text"/>
<input type="hidden" name="hidn" value="HiddenValue"/>
<textarea style="width:250px;height:100px;" id="signtxt"></textarea>
<input onclick="signDigest(document.getElementById('text').value);" type="button" value="Sign" />
<OBJECT id="oCAPICOM" codeBase="capicom.cab" classid="clsid:A996E48C-D3DC-4244-89F7-AFA33EC60679" VIEWASTEXT/>
</body>
</html>
