-
-
-
-
Warning: This key can
NOT be recalculated if forgotten or lost! Ensure you back this up.
+
+
+{% if is_trustee and can_submit %}
+
+
Trustee Event Setup for Event '{{ event.title }}'
+
+
Key Generation For: {{ user_email }}
+
+
+
Step 1: Generate and Download Your Secret Key
+
+
+
+
+ Warning: This key can NOT be recalculated if forgotten or lost! Ensure you back this up.
+
+
+
Download
+
+
+
+
Step 2: Submit Your Public Key
+
+ {% load crispy_forms_tags %}
+
+
-
-
Download
-
-
-
Step 2: Submit Your Public Key
-
- {% load crispy_forms_tags %}
-
+
+
+
+
+
+
+
+
+
+
Thank you! You can now close down this page.
+
+
+
+
+
-
-
+{% else %}
+
+
+
{{ access_denied_reason }}
+
+
+{% endif %}
{% endblock %}
diff --git a/static/js/decrypt_event.js b/static/js/decrypt_event.js
index 5255fa7..1563d72 100644
--- a/static/js/decrypt_event.js
+++ b/static/js/decrypt_event.js
@@ -1,6 +1,7 @@
// -------------- Global vars --------------------
var filesHandleSK = document.getElementById('files_sk_upload');
var CSRF = $( "input[name='csrfmiddlewaretoken']" ).val();
+var partialDecryptions = {};
// -------------- Helper fns --------------------
//SK checking algorithm - If PK and SK matches, it returns True; otherwise, it returns false.
@@ -15,6 +16,14 @@ function csrfSafeMethod(method) {
return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
+function getBytes(arr) {
+ for(var i = 0; i < arr.length; i++) {
+ arr[i] = parseInt(arr[i]);
+ }
+
+ return new Uint8Array(arr);
+}
+
function getKeyBytes(key, byteArray) {
for(let i = 0; i < key.length; i += 4) {
let B64EncodedByte = key.substring(i, i + 4);
@@ -23,8 +32,8 @@ function getKeyBytes(key, byteArray) {
}
}
-function showDialog(titleTxt, bodyTxt) {
- var modalDialog = $('#modalDialog');
+function showDecryptDialog(titleTxt, bodyTxt) {
+ var modalDialog = $('#EventDecryptionModalDialog');
var title = modalDialog.find('.modal-title');
var body = modalDialog.find('.modal-body');
@@ -79,7 +88,7 @@ function validateSKFromString(SKStr) {
return skCheck(ctx, params, sk, pk);
}
-function decryptSubmitCiphers() {
+function decryptSubmit() {
var skString = $('#secret-key').val();
if (!skString) {
@@ -96,7 +105,6 @@ function decryptSubmitCiphers() {
inputs.each(function() { //for each ciphertext to decrypt
let input = $(this);
- console.log(input.attr('name'));
var ciphertext = {
C1: null,
@@ -116,10 +124,38 @@ function decryptSubmitCiphers() {
var bytes = [];
partial.D.toBytes(bytes);
input.val(bytes.toString());
+
+ partialDecryptions[input.attr('name')] = bytes.toString();
});
+
+ submitPartialDecryptions();
}
}
+function onAfterPartialDecryptionsSend() {
+ showDecryptDialog('Partial Decryptions Successfully Received',
+ 'Thank you! You can now close down this page.');
+}
+
+function submitPartialDecryptions() {
+ $.ajaxSetup({
+ beforeSend: function(xhr, settings) {
+ if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
+ xhr.setRequestHeader("X-CSRFToken", CSRF);
+ }
+ }
+ });
+
+ $.ajax({
+ type : "POST",
+ url : window.location,
+ data : partialDecryptions,
+ success : function(){
+ onAfterPartialDecryptionsSend();
+ }
+ });
+}
+
function processFileSKChange(event) {
var files = event.target.files;
@@ -153,4 +189,9 @@ function processFileSKChange(event) {
if(filesHandleSK) {
filesHandleSK.addEventListener('change', processFileSKChange, false);
-}
\ No newline at end of file
+}
+
+$('#EventDecryptionModalDialog').on('hide.bs.modal', function (e) {
+ // Update page to reflect the fact that the PK submission has taken place
+ location.reload();
+});
\ No newline at end of file
diff --git a/static/js/event_setup.js b/static/js/event_setup.js
new file mode 100644
index 0000000..c91ac2c
--- /dev/null
+++ b/static/js/event_setup.js
@@ -0,0 +1,105 @@
+var CSRF = $( "input[name='csrfmiddlewaretoken']" ).val();
+
+function csrfSafeMethod(method) {
+ // these HTTP methods do not require CSRF protection
+ return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
+}
+
+function showSetupDialog(titleTxt, bodyTxt) {
+ var modalDialog = $('#EventSetupModalDialog');
+ var title = modalDialog.find('.modal-title');
+ var body = modalDialog.find('.modal-body');
+
+ title.text(titleTxt);
+ var bodyText = bodyTxt;
+
+ var p = document.createElement("p");
+ p.innerHTML = bodyText;
+ body.empty();
+ body.append( p );
+
+ modalDialog.modal('show');
+}
+
+function generateKeys() {
+ var parameter = $("#event-param").val();
+ var tempParams = JSON.parse(JSON.parse(parameter).crypto);
+ //the full objects need to be initalised as per the library, then copy the values we need into it
+ //I follow Bingsheng's code as to what objects are used in the parameter object
+ var ctx = new CTX("BN254CX"); //new context we can use
+ var n = new ctx.BIG();
+ var g1 = new ctx.ECP();
+ var g2 = new ctx.ECP2();
+
+ //copying the values
+ n.copy(tempParams.n);
+ g1.copy(tempParams.g1);
+ g2.copy(tempParams.g2);
+
+ var params = {
+ n:n,
+ g1:g1,
+ g2:g2
+ }
+
+ var PKbytes = [];
+ var SKbytes = [];
+
+ var keypair = keyGen(params);
+ keypair.PK.toBytes(PKbytes);
+ keypair.SK.toBytes(SKbytes);
+
+ var PKB64Encoded = "";
+ for(let i = 0; i < PKbytes.length; i++) {
+ PKB64Encoded += btoa(PKbytes[i]);
+ }
+
+ var SKB64Encoded = "";
+ for(let j = 0; j < SKbytes.length; j++) {
+ SKB64Encoded += btoa(SKbytes[j]);
+ }
+
+ $('input#public-key').val(PKB64Encoded);
+ $('input#secret-key').val(SKB64Encoded);
+
+ //mostly code from before here
+ var blob = new Blob([SKB64Encoded], {type : 'text/plain'});
+
+ var dlBtn = $('a#download-btn');
+ var url = URL.createObjectURL(blob);
+ $(dlBtn).attr("href", url);
+
+ let fileName = "sk-" + EVENT_TITLE.replace(/[\W]/g, "-");
+ $(dlBtn).attr("download", fileName);
+ $(dlBtn).attr("disabled", false);
+ $("#public-submit").attr("disabled", false);
+}
+
+function onAfterKeySend() {
+ showSetupDialog('Public Key Successfully Received',
+ 'Thank you! You can now close down this page.');
+}
+
+function submitPublicKey() {
+ $.ajaxSetup({
+ beforeSend: function(xhr, settings) {
+ if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
+ xhr.setRequestHeader("X-CSRFToken", CSRF);
+ }
+ }
+ });
+
+ $.ajax({
+ type : "POST",
+ url : window.location,
+ data : { public_key: $('input#public-key').val() },
+ success : function(){
+ onAfterKeySend();
+ }
+ });
+}
+
+$('#EventSetupModalDialog').on('hide.bs.modal', function (e) {
+ // Update page to reflect the fact that the PK submission has taken place
+ location.reload();
+});
\ No newline at end of file