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Make sure there is enough entropy.

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This patch will improve key randomness by requiring the user to move the
mouse if there is not enough entropy.

(cherry picked from commit c6e98045aa833dff824f892eb3392744c03a59f7)
This commit is contained in:
Sebastien SAUVAGE 2013-02-24 21:59:10 +01:00 committed by El RIDO
parent e646729b2d
commit d9930978ba
1 changed files with 12 additions and 1 deletions
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13
js/zerobin.js
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@ -161,7 +161,7 @@ function pasteID() {
function setElementText(element, text) { function setElementText(element, text) {
// For IE<10. // For IE<10.
if ($('div#oldienotice').is(":visible")) { if ($('div#oldienotice').is(":visible")) {
// IE<10 do not support white-space:pre-wrap; so we have to do this BIG UGLY STINKING THING. // IE<10 does not support white-space:pre-wrap; so we have to do this BIG UGLY STINKING THING.
element.text(text.replace(/\n/ig,'{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}')); element.text(text.replace(/\n/ig,'{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}'));
element.html(element.text().replace(/{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}/ig,"\n<br />")); element.html(element.text().replace(/{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}/ig,"\n<br />"));
} }
@ -306,6 +306,7 @@ function send_comment(parentid) {
}); });
} }
/** /**
* Send a new paste to server * Send a new paste to server
*/ */
@ -314,7 +315,17 @@ function send_data() {
if ($('textarea#message').val().length == 0) { if ($('textarea#message').val().length == 0) {
return; return;
} }
// If sjcl has not collected enough entropy yet, display a message.
if (!sjcl.random.isReady())
{
showStatus('Sending paste (Please move your mouse for more entropy)...', spin=true);
sjcl.random.addEventListener('seeded', function(){ send_data(); });
return;
}
showStatus('Sending paste...', spin=true); showStatus('Sending paste...', spin=true);
var randomkey = sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0); var randomkey = sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0);
var cipherdata = zeroCipher(randomkey, $('textarea#message').val()); var cipherdata = zeroCipher(randomkey, $('textarea#message').val());
var data_to_send = { data: cipherdata, var data_to_send = { data: cipherdata,