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authorGiulio Cesare Solaroli <giulio.cesare@clipperz.com>2014-06-19 10:32:07 (UTC)
committer Giulio Cesare Solaroli <giulio.cesare@clipperz.com>2014-06-19 10:51:21 (UTC)
commita6852c93138f3c4596fb4df8bce5b7d19ef50478 (patch) (unidiff)
tree6a8cfda52d54ae8990a0c51447980d06408ac6cc
parent0422224521f62da210d1ae6ee15ecdf09f47f1f8 (diff)
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Mitigation for vulnerability CLP-01-018
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--frontend/beta/js/Clipperz/Crypto/PRNG.js130
-rw-r--r--frontend/delta/js/Clipperz/Crypto/PRNG.js128
-rw-r--r--frontend/gamma/js/Clipperz/Crypto/PRNG.js128
3 files changed, 135 insertions, 251 deletions
diff --git a/frontend/beta/js/Clipperz/Crypto/PRNG.js b/frontend/beta/js/Clipperz/Crypto/PRNG.js
index b5c3f8a..92966d0 100644
--- a/frontend/beta/js/Clipperz/Crypto/PRNG.js
+++ b/frontend/beta/js/Clipperz/Crypto/PRNG.js
@@ -198,10 +198,4 @@ Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new C
198 198
199 //------------------------------------------------------------------------- 199 //-------------------------------------------------------------------------
200
201 'pollingFrequency': function() {
202 return 10;
203 },
204
205 //-------------------------------------------------------------------------
206 __syntaxFix__: "syntax fix" 200 __syntaxFix__: "syntax fix"
207}); 201});
@@ -246,10 +240,10 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
246 240
247 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected(); 241 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
248 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected); 242 collectedBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
249 this.setRandomBitsCollector(collectetBits); 243 this.setRandomBitsCollector(collectedBits);
250 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent(); 244 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent();
251 245
252 if (numberOfRandomBitsCollected == 8) { 246 if (numberOfRandomBitsCollected == 8) {
253 this.updateGeneratorWithValue(collectetBits); 247 this.updateGeneratorWithValue(collectedBits);
254 numberOfRandomBitsCollected = 0; 248 numberOfRandomBitsCollected = 0;
255 this.setRandomBitsCollector(0); 249 this.setRandomBitsCollector(0);
@@ -290,10 +284,4 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
290 284
291 //------------------------------------------------------------------------- 285 //-------------------------------------------------------------------------
292
293 'pollingFrequency': function() {
294 return 10;
295 },
296
297 //-------------------------------------------------------------------------
298 __syntaxFix__: "syntax fix" 286 __syntaxFix__: "syntax fix"
299}); 287});
@@ -301,83 +289,47 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
301//***************************************************************************** 289//*****************************************************************************
302 290
303Clipperz.Crypto.PRNG.KeyboardRandomnessSource = function(args) { 291Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource = function(args) {
304 args = args || {}; 292 args = args || {};
305 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
306 293
307 this._randomBitsCollector = 0; 294 this._intervalTime = args.intervalTime || 1000;
308 this._numberOfRandomBitsCollected = 0; 295 this._browserCrypto = args.browserCrypto;
309 296
310 MochiKit.Signal.connect(document, 'onkeypress', this, 'collectEntropy'); 297 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
311 298
299 this.collectEntropy();
312 return this; 300 return this;
313} 301}
314 302
315Clipperz.Crypto.PRNG.KeyboardRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { 303Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
316
317 //-------------------------------------------------------------------------
318
319 'randomBitsCollector': function() {
320 return this._randomBitsCollector;
321 },
322 304
323 'setRandomBitsCollector': function(aValue) { 305 'intervalTime': function() {
324 this._randomBitsCollector = aValue; 306 return this._intervalTime;
325 }, 307 },
326 308
327 'appendRandomBitToRandomBitsCollector': function(aValue) { 309 'browserCrypto': function () {
328 var collectedBits; 310 return this._browserCrypto;
329 var numberOfRandomBitsCollected;
330
331 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
332 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
333 this.setRandomBitsCollector(collectetBits);
334 numberOfRandomBitsCollected ++;
335
336 if (numberOfRandomBitsCollected == 8) {
337 this.updateGeneratorWithValue(collectetBits);
338 numberOfRandomBitsCollected = 0;
339 this.setRandomBitsCollector(0);
340 }
341
342 this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected)
343 }, 311 },
344 312
345 //------------------------------------------------------------------------- 313 //-------------------------------------------------------------------------
346 314
347 'numberOfRandomBitsCollected': function() { 315 'collectEntropy': function() {
348 return this._numberOfRandomBitsCollected; 316 varbytesToCollect;
349 },
350
351 'setNumberOfRandomBitsCollected': function(aValue) {
352 this._numberOfRandomBitsCollected = aValue;
353 },
354 317
355 //------------------------------------------------------------------------- 318 if (this.boostMode() == true) {
319 bytesToCollect = 8;
320 } else {
321 bytesToCollect = 32;
322 }
356 323
357 'collectEntropy': function(anEvent) { 324 var randomValuesArray = new Uint8Array(bytesToCollect);
358/* 325 this.browserCrypto().getRandomValues(randomValuesArray);
359 var mouseLocation; 326 for (var i = 0; i < randomValuesArray.length; i++) {
360 var randomBit; 327 this.updateGeneratorWithValue(randomValuesArray[i]);
361 328 }
362 mouseLocation = anEvent.mouse().client;
363
364 randomBit = ((mouseLocation.x ^ mouseLocation.y) & 0x1);
365 this.appendRandomBitToRandomBitsCollector(randomBit);
366*/
367 },
368
369 //-------------------------------------------------------------------------
370 329
371 'numberOfRandomBits': function() { 330 setTimeout(this.collectEntropy, this.intervalTime());
372 return 1;
373 }, 331 },
374 332
375 //------------------------------------------------------------------------- 333 //-------------------------------------------------------------------------
376
377 'pollingFrequency': function() {
378 return 10;
379 },
380
381 //-------------------------------------------------------------------------
382 __syntaxFix__: "syntax fix" 334 __syntaxFix__: "syntax fix"
383}); 335});
@@ -608,11 +560,8 @@ MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!");
608 var result; 560 var result;
609 561
610//MochiKit.Logging.logDebug(">>> PRNG.deferredEntropyCollection");
611 562
612 if (this.isReadyToGenerateRandomValues()) { 563 if (this.isReadyToGenerateRandomValues()) {
613//MochiKit.Logging.logDebug("--- PRNG.deferredEntropyCollection - 1");
614 result = aValue; 564 result = aValue;
615 } else { 565 } else {
616//MochiKit.Logging.logDebug("--- PRNG.deferredEntropyCollection - 2");
617 var deferredResult; 566 var deferredResult;
618 567
@@ -620,7 +569,5 @@ MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!");
620 569
621 deferredResult = new MochiKit.Async.Deferred(); 570 deferredResult = new MochiKit.Async.Deferred();
622 // deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("1.2.1 - PRNG.deferredEntropyCollection - 1: " + res); return res;});
623 deferredResult.addCallback(MochiKit.Base.partial(MochiKit.Async.succeed, aValue)); 571 deferredResult.addCallback(MochiKit.Base.partial(MochiKit.Async.succeed, aValue));
624 // deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("1.2.2 - PRNG.deferredEntropyCollection - 2: " + res); return res;});
625 MochiKit.Signal.connect(this, 572 MochiKit.Signal.connect(this,
626 'readyToGenerateRandomBytes', 573 'readyToGenerateRandomBytes',
@@ -630,5 +577,4 @@ MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!");
630 result = deferredResult; 577 result = deferredResult;
631 } 578 }
632//MochiKit.Logging.logDebug("<<< PRNG.deferredEntropyCollection - result: " + result);
633 579
634 return result; 580 return result;
@@ -644,5 +590,5 @@ MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!");
644 590
645 //------------------------------------------------------------------------- 591 //-------------------------------------------------------------------------
646 592/*
647 'dump': function(appendToDoc) { 593 'dump': function(appendToDoc) {
648 var tbl; 594 var tbl;
@@ -750,5 +696,5 @@ MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!");
750 return tbl; 696 return tbl;
751 }, 697 },
752 698*/
753 //----------------------------------------------------------------------------- 699 //-----------------------------------------------------------------------------
754 __syntaxFix__: "syntax fix" 700 __syntaxFix__: "syntax fix"
@@ -825,14 +771,24 @@ Clipperz.Crypto.PRNG.defaultRandomGenerator = function() {
825 //............................................................. 771 //.............................................................
826 // 772 //
827 // KeyboardRandomnessSource 773 // CryptoRandomRandomnessSource
828 // 774 //
829 //............................................................. 775 //.............................................................
830 { 776 {
831 varnewRandomnessSource; 777 varnewRandomnessSource;
778 varbrowserCrypto;
832 779
833 newRandomnessSource = new Clipperz.Crypto.PRNG.KeyboardRandomnessSource(); 780 if (window.crypto && window.crypto.getRandomValues) {
834 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); 781 browserCrypto = window.crypto;
782 } else if (window.msCrypto && window.msCrypto.getRandomValues) {
783 browserCrypto = window.msCrypto;
784 } else {
785 browserCrypto = null;
786 }
787
788 if (browserCrypto != null) {
789 newRandomnessSource = new Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource({'browserCrypto':browserCrypto});
790 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource);
791 }
835 } 792 }
836
837 } 793 }
838 794
diff --git a/frontend/delta/js/Clipperz/Crypto/PRNG.js b/frontend/delta/js/Clipperz/Crypto/PRNG.js
index c539f06..7885429 100644
--- a/frontend/delta/js/Clipperz/Crypto/PRNG.js
+++ b/frontend/delta/js/Clipperz/Crypto/PRNG.js
@@ -22,4 +22,6 @@ refer to http://www.clipperz.com.
22*/ 22*/
23 23
24"use strict";
25
24try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) { 26try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
25 throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!"; 27 throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!";
@@ -198,10 +200,4 @@ Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new C
198 200
199 //------------------------------------------------------------------------- 201 //-------------------------------------------------------------------------
200
201 'pollingFrequency': function() {
202 return 10;
203 },
204
205 //-------------------------------------------------------------------------
206 __syntaxFix__: "syntax fix" 202 __syntaxFix__: "syntax fix"
207}); 203});
@@ -246,10 +242,10 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
246 242
247 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected(); 243 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
248 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected); 244 collectedBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
249 this.setRandomBitsCollector(collectetBits); 245 this.setRandomBitsCollector(collectedBits);
250 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent(); 246 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent();
251 247
252 if (numberOfRandomBitsCollected == 8) { 248 if (numberOfRandomBitsCollected == 8) {
253 this.updateGeneratorWithValue(collectetBits); 249 this.updateGeneratorWithValue(collectedBits);
254 numberOfRandomBitsCollected = 0; 250 numberOfRandomBitsCollected = 0;
255 this.setRandomBitsCollector(0); 251 this.setRandomBitsCollector(0);
@@ -290,10 +286,4 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
290 286
291 //------------------------------------------------------------------------- 287 //-------------------------------------------------------------------------
292
293 'pollingFrequency': function() {
294 return 10;
295 },
296
297 //-------------------------------------------------------------------------
298 __syntaxFix__: "syntax fix" 288 __syntaxFix__: "syntax fix"
299}); 289});
@@ -301,83 +291,47 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
301//***************************************************************************** 291//*****************************************************************************
302 292
303Clipperz.Crypto.PRNG.KeyboardRandomnessSource = function(args) { 293Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource = function(args) {
304 args = args || {}; 294 args = args || {};
305 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
306 295
307 this._randomBitsCollector = 0; 296 this._intervalTime = args.intervalTime || 1000;
308 this._numberOfRandomBitsCollected = 0; 297 this._browserCrypto = args.browserCrypto;
309 298
310 MochiKit.Signal.connect(document, 'onkeypress', this, 'collectEntropy'); 299 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
311 300
301 this.collectEntropy();
312 return this; 302 return this;
313} 303}
314 304
315Clipperz.Crypto.PRNG.KeyboardRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { 305Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
316 306
317 //------------------------------------------------------------------------- 307 'intervalTime': function() {
318 308 return this._intervalTime;
319 'randomBitsCollector': function() {
320 return this._randomBitsCollector;
321 },
322
323 'setRandomBitsCollector': function(aValue) {
324 this._randomBitsCollector = aValue;
325 }, 309 },
326 310
327 'appendRandomBitToRandomBitsCollector': function(aValue) { 311 'browserCrypto': function () {
328 var collectedBits; 312 return this._browserCrypto;
329 var numberOfRandomBitsCollected;
330
331 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
332 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
333 this.setRandomBitsCollector(collectetBits);
334 numberOfRandomBitsCollected ++;
335
336 if (numberOfRandomBitsCollected == 8) {
337 this.updateGeneratorWithValue(collectetBits);
338 numberOfRandomBitsCollected = 0;
339 this.setRandomBitsCollector(0);
340 }
341
342 this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected)
343 }, 313 },
344 314
345 //------------------------------------------------------------------------- 315 //-------------------------------------------------------------------------
346 316
347 'numberOfRandomBitsCollected': function() { 317 'collectEntropy': function() {
348 return this._numberOfRandomBitsCollected; 318 varbytesToCollect;
349 },
350
351 'setNumberOfRandomBitsCollected': function(aValue) {
352 this._numberOfRandomBitsCollected = aValue;
353 },
354 319
355 //------------------------------------------------------------------------- 320 if (this.boostMode() == true) {
321 bytesToCollect = 8;
322 } else {
323 bytesToCollect = 32;
324 }
356 325
357 'collectEntropy': function(anEvent) { 326 var randomValuesArray = new Uint8Array(bytesToCollect);
358/* 327 this.browserCrypto().getRandomValues(randomValuesArray);
359 var mouseLocation; 328 for (var i = 0; i < randomValuesArray.length; i++) {
360 var randomBit; 329 this.updateGeneratorWithValue(randomValuesArray[i]);
361 330 }
362 mouseLocation = anEvent.mouse().client;
363
364 randomBit = ((mouseLocation.x ^ mouseLocation.y) & 0x1);
365 this.appendRandomBitToRandomBitsCollector(randomBit);
366*/
367 },
368
369 //-------------------------------------------------------------------------
370 331
371 'numberOfRandomBits': function() { 332 setTimeout(this.collectEntropy, this.intervalTime());
372 return 1;
373 }, 333 },
374 334
375 //------------------------------------------------------------------------- 335 //-------------------------------------------------------------------------
376
377 'pollingFrequency': function() {
378 return 10;
379 },
380
381 //-------------------------------------------------------------------------
382 __syntaxFix__: "syntax fix" 336 __syntaxFix__: "syntax fix"
383}); 337});
@@ -636,5 +590,5 @@ Clipperz.logWarning("Fortuna generator has not enough entropy, yet!");
636 590
637 //------------------------------------------------------------------------- 591 //-------------------------------------------------------------------------
638 592/*
639 'dump': function(appendToDoc) { 593 'dump': function(appendToDoc) {
640 var tbl; 594 var tbl;
@@ -742,5 +696,5 @@ Clipperz.logWarning("Fortuna generator has not enough entropy, yet!");
742 return tbl; 696 return tbl;
743 }, 697 },
744 698*/
745 //----------------------------------------------------------------------------- 699 //-----------------------------------------------------------------------------
746 __syntaxFix__: "syntax fix" 700 __syntaxFix__: "syntax fix"
@@ -785,5 +739,5 @@ Clipperz.Crypto.PRNG.Random.prototype = MochiKit.Base.update(null, {
785//############################################################################# 739//#############################################################################
786 740
787_clipperz_crypt_prng_defaultPRNG = null; 741var _clipperz_crypt_prng_defaultPRNG = null;
788 742
789Clipperz.Crypto.PRNG.defaultRandomGenerator = function() { 743Clipperz.Crypto.PRNG.defaultRandomGenerator = function() {
@@ -817,14 +771,24 @@ Clipperz.Crypto.PRNG.defaultRandomGenerator = function() {
817 //............................................................. 771 //.............................................................
818 // 772 //
819 // KeyboardRandomnessSource 773 // CryptoRandomRandomnessSource
820 // 774 //
821 //............................................................. 775 //.............................................................
822 { 776 {
823 varnewRandomnessSource; 777 varnewRandomnessSource;
778 varbrowserCrypto;
824 779
825 newRandomnessSource = new Clipperz.Crypto.PRNG.KeyboardRandomnessSource(); 780 if (window.crypto && window.crypto.getRandomValues) {
826 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); 781 browserCrypto = window.crypto;
782 } else if (window.msCrypto && window.msCrypto.getRandomValues) {
783 browserCrypto = window.msCrypto;
784 } else {
785 browserCrypto = null;
786 }
787
788 if (browserCrypto != null) {
789 newRandomnessSource = new Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource({'browserCrypto':browserCrypto});
790 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource);
791 }
827 } 792 }
828
829 } 793 }
830 794
diff --git a/frontend/gamma/js/Clipperz/Crypto/PRNG.js b/frontend/gamma/js/Clipperz/Crypto/PRNG.js
index c539f06..7885429 100644
--- a/frontend/gamma/js/Clipperz/Crypto/PRNG.js
+++ b/frontend/gamma/js/Clipperz/Crypto/PRNG.js
@@ -22,4 +22,6 @@ refer to http://www.clipperz.com.
22*/ 22*/
23 23
24"use strict";
25
24try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) { 26try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
25 throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!"; 27 throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!";
@@ -198,10 +200,4 @@ Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new C
198 200
199 //------------------------------------------------------------------------- 201 //-------------------------------------------------------------------------
200
201 'pollingFrequency': function() {
202 return 10;
203 },
204
205 //-------------------------------------------------------------------------
206 __syntaxFix__: "syntax fix" 202 __syntaxFix__: "syntax fix"
207}); 203});
@@ -246,10 +242,10 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
246 242
247 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected(); 243 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
248 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected); 244 collectedBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
249 this.setRandomBitsCollector(collectetBits); 245 this.setRandomBitsCollector(collectedBits);
250 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent(); 246 numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent();
251 247
252 if (numberOfRandomBitsCollected == 8) { 248 if (numberOfRandomBitsCollected == 8) {
253 this.updateGeneratorWithValue(collectetBits); 249 this.updateGeneratorWithValue(collectedBits);
254 numberOfRandomBitsCollected = 0; 250 numberOfRandomBitsCollected = 0;
255 this.setRandomBitsCollector(0); 251 this.setRandomBitsCollector(0);
@@ -290,10 +286,4 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
290 286
291 //------------------------------------------------------------------------- 287 //-------------------------------------------------------------------------
292
293 'pollingFrequency': function() {
294 return 10;
295 },
296
297 //-------------------------------------------------------------------------
298 __syntaxFix__: "syntax fix" 288 __syntaxFix__: "syntax fix"
299}); 289});
@@ -301,83 +291,47 @@ Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new
301//***************************************************************************** 291//*****************************************************************************
302 292
303Clipperz.Crypto.PRNG.KeyboardRandomnessSource = function(args) { 293Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource = function(args) {
304 args = args || {}; 294 args = args || {};
305 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
306 295
307 this._randomBitsCollector = 0; 296 this._intervalTime = args.intervalTime || 1000;
308 this._numberOfRandomBitsCollected = 0; 297 this._browserCrypto = args.browserCrypto;
309 298
310 MochiKit.Signal.connect(document, 'onkeypress', this, 'collectEntropy'); 299 Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
311 300
301 this.collectEntropy();
312 return this; 302 return this;
313} 303}
314 304
315Clipperz.Crypto.PRNG.KeyboardRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { 305Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
316 306
317 //------------------------------------------------------------------------- 307 'intervalTime': function() {
318 308 return this._intervalTime;
319 'randomBitsCollector': function() {
320 return this._randomBitsCollector;
321 },
322
323 'setRandomBitsCollector': function(aValue) {
324 this._randomBitsCollector = aValue;
325 }, 309 },
326 310
327 'appendRandomBitToRandomBitsCollector': function(aValue) { 311 'browserCrypto': function () {
328 var collectedBits; 312 return this._browserCrypto;
329 var numberOfRandomBitsCollected;
330
331 numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
332 collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
333 this.setRandomBitsCollector(collectetBits);
334 numberOfRandomBitsCollected ++;
335
336 if (numberOfRandomBitsCollected == 8) {
337 this.updateGeneratorWithValue(collectetBits);
338 numberOfRandomBitsCollected = 0;
339 this.setRandomBitsCollector(0);
340 }
341
342 this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected)
343 }, 313 },
344 314
345 //------------------------------------------------------------------------- 315 //-------------------------------------------------------------------------
346 316
347 'numberOfRandomBitsCollected': function() { 317 'collectEntropy': function() {
348 return this._numberOfRandomBitsCollected; 318 varbytesToCollect;
349 },
350
351 'setNumberOfRandomBitsCollected': function(aValue) {
352 this._numberOfRandomBitsCollected = aValue;
353 },
354 319
355 //------------------------------------------------------------------------- 320 if (this.boostMode() == true) {
321 bytesToCollect = 8;
322 } else {
323 bytesToCollect = 32;
324 }
356 325
357 'collectEntropy': function(anEvent) { 326 var randomValuesArray = new Uint8Array(bytesToCollect);
358/* 327 this.browserCrypto().getRandomValues(randomValuesArray);
359 var mouseLocation; 328 for (var i = 0; i < randomValuesArray.length; i++) {
360 var randomBit; 329 this.updateGeneratorWithValue(randomValuesArray[i]);
361 330 }
362 mouseLocation = anEvent.mouse().client;
363
364 randomBit = ((mouseLocation.x ^ mouseLocation.y) & 0x1);
365 this.appendRandomBitToRandomBitsCollector(randomBit);
366*/
367 },
368
369 //-------------------------------------------------------------------------
370 331
371 'numberOfRandomBits': function() { 332 setTimeout(this.collectEntropy, this.intervalTime());
372 return 1;
373 }, 333 },
374 334
375 //------------------------------------------------------------------------- 335 //-------------------------------------------------------------------------
376
377 'pollingFrequency': function() {
378 return 10;
379 },
380
381 //-------------------------------------------------------------------------
382 __syntaxFix__: "syntax fix" 336 __syntaxFix__: "syntax fix"
383}); 337});
@@ -636,5 +590,5 @@ Clipperz.logWarning("Fortuna generator has not enough entropy, yet!");
636 590
637 //------------------------------------------------------------------------- 591 //-------------------------------------------------------------------------
638 592/*
639 'dump': function(appendToDoc) { 593 'dump': function(appendToDoc) {
640 var tbl; 594 var tbl;
@@ -742,5 +696,5 @@ Clipperz.logWarning("Fortuna generator has not enough entropy, yet!");
742 return tbl; 696 return tbl;
743 }, 697 },
744 698*/
745 //----------------------------------------------------------------------------- 699 //-----------------------------------------------------------------------------
746 __syntaxFix__: "syntax fix" 700 __syntaxFix__: "syntax fix"
@@ -785,5 +739,5 @@ Clipperz.Crypto.PRNG.Random.prototype = MochiKit.Base.update(null, {
785//############################################################################# 739//#############################################################################
786 740
787_clipperz_crypt_prng_defaultPRNG = null; 741var _clipperz_crypt_prng_defaultPRNG = null;
788 742
789Clipperz.Crypto.PRNG.defaultRandomGenerator = function() { 743Clipperz.Crypto.PRNG.defaultRandomGenerator = function() {
@@ -817,14 +771,24 @@ Clipperz.Crypto.PRNG.defaultRandomGenerator = function() {
817 //............................................................. 771 //.............................................................
818 // 772 //
819 // KeyboardRandomnessSource 773 // CryptoRandomRandomnessSource
820 // 774 //
821 //............................................................. 775 //.............................................................
822 { 776 {
823 varnewRandomnessSource; 777 varnewRandomnessSource;
778 varbrowserCrypto;
824 779
825 newRandomnessSource = new Clipperz.Crypto.PRNG.KeyboardRandomnessSource(); 780 if (window.crypto && window.crypto.getRandomValues) {
826 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); 781 browserCrypto = window.crypto;
782 } else if (window.msCrypto && window.msCrypto.getRandomValues) {
783 browserCrypto = window.msCrypto;
784 } else {
785 browserCrypto = null;
786 }
787
788 if (browserCrypto != null) {
789 newRandomnessSource = new Clipperz.Crypto.PRNG.CryptoRandomRandomnessSource({'browserCrypto':browserCrypto});
790 _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource);
791 }
827 } 792 }
828
829 } 793 }
830 794