Diffstat (limited to 'frontend/beta/js/Clipperz/Crypto/PRNG.js') (more/less context) (ignore whitespace changes)
-rw-r--r-- | frontend/beta/js/Clipperz/Crypto/PRNG.js | 130 |
1 files changed, 43 insertions, 87 deletions
diff --git a/frontend/beta/js/Clipperz/Crypto/PRNG.js b/frontend/beta/js/Clipperz/Crypto/PRNG.js index b5c3f8a..6fdeca4 100644 --- a/frontend/beta/js/Clipperz/Crypto/PRNG.js +++ b/frontend/beta/js/Clipperz/Crypto/PRNG.js | |||
@@ -8,842 +8,798 @@ refer to http://www.clipperz.com. | |||
8 | 8 | ||
9 | * Clipperz is free software: you can redistribute it and/or modify it | 9 | * Clipperz is free software: you can redistribute it and/or modify it |
10 | under the terms of the GNU Affero General Public License as published | 10 | under the terms of the GNU Affero General Public License as published |
11 | by the Free Software Foundation, either version 3 of the License, or | 11 | by the Free Software Foundation, either version 3 of the License, or |
12 | (at your option) any later version. | 12 | (at your option) any later version. |
13 | 13 | ||
14 | * Clipperz is distributed in the hope that it will be useful, but | 14 | * Clipperz is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | 15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. | 17 | See the GNU Affero General Public License for more details. |
18 | 18 | ||
19 | * You should have received a copy of the GNU Affero General Public | 19 | * You should have received a copy of the GNU Affero General Public |
20 | License along with Clipperz. If not, see http://www.gnu.org/licenses/. | 20 | License along with Clipperz. If not, see http://www.gnu.org/licenses/. |
21 | 21 | ||
22 | */ | 22 | */ |
23 | 23 | ||
24 | try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) { | 24 | try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) { |
25 | throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!"; | 25 | throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!"; |
26 | } | 26 | } |
27 | 27 | ||
28 | try { if (typeof(Clipperz.Crypto.SHA) == 'undefined') { throw ""; }} catch (e) { | 28 | try { if (typeof(Clipperz.Crypto.SHA) == 'undefined') { throw ""; }} catch (e) { |
29 | throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.SHA!"; | 29 | throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.SHA!"; |
30 | } | 30 | } |
31 | 31 | ||
32 | try { if (typeof(Clipperz.Crypto.AES) == 'undefined') { throw ""; }} catch (e) { | 32 | try { if (typeof(Clipperz.Crypto.AES) == 'undefined') { throw ""; }} catch (e) { |
33 | throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.AES!"; | 33 | throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.AES!"; |
34 | } | 34 | } |
35 | 35 | ||
36 | if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { Clipperz.Crypto.PRNG = {}; } | 36 | if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { Clipperz.Crypto.PRNG = {}; } |
37 | 37 | ||
38 | //############################################################################# | 38 | //############################################################################# |
39 | 39 | ||
40 | Clipperz.Crypto.PRNG.EntropyAccumulator = function(args) { | 40 | Clipperz.Crypto.PRNG.EntropyAccumulator = function(args) { |
41 | args = args || {}; | 41 | args = args || {}; |
42 | //MochiKit.Base.bindMethods(this); | 42 | //MochiKit.Base.bindMethods(this); |
43 | 43 | ||
44 | this._stack = new Clipperz.ByteArray(); | 44 | this._stack = new Clipperz.ByteArray(); |
45 | this._maxStackLengthBeforeHashing = args.maxStackLengthBeforeHashing || 256; | 45 | this._maxStackLengthBeforeHashing = args.maxStackLengthBeforeHashing || 256; |
46 | return this; | 46 | return this; |
47 | } | 47 | } |
48 | 48 | ||
49 | Clipperz.Crypto.PRNG.EntropyAccumulator.prototype = MochiKit.Base.update(null, { | 49 | Clipperz.Crypto.PRNG.EntropyAccumulator.prototype = MochiKit.Base.update(null, { |
50 | 50 | ||
51 | 'toString': function() { | 51 | 'toString': function() { |
52 | return "Clipperz.Crypto.PRNG.EntropyAccumulator"; | 52 | return "Clipperz.Crypto.PRNG.EntropyAccumulator"; |
53 | }, | 53 | }, |
54 | 54 | ||
55 | //------------------------------------------------------------------------- | 55 | //------------------------------------------------------------------------- |
56 | 56 | ||
57 | 'stack': function() { | 57 | 'stack': function() { |
58 | return this._stack; | 58 | return this._stack; |
59 | }, | 59 | }, |
60 | 60 | ||
61 | 'setStack': function(aValue) { | 61 | 'setStack': function(aValue) { |
62 | this._stack = aValue; | 62 | this._stack = aValue; |
63 | }, | 63 | }, |
64 | 64 | ||
65 | 'resetStack': function() { | 65 | 'resetStack': function() { |
66 | this.stack().reset(); | 66 | this.stack().reset(); |
67 | }, | 67 | }, |
68 | 68 | ||
69 | 'maxStackLengthBeforeHashing': function() { | 69 | 'maxStackLengthBeforeHashing': function() { |
70 | return this._maxStackLengthBeforeHashing; | 70 | return this._maxStackLengthBeforeHashing; |
71 | }, | 71 | }, |
72 | 72 | ||
73 | //------------------------------------------------------------------------- | 73 | //------------------------------------------------------------------------- |
74 | 74 | ||
75 | 'addRandomByte': function(aValue) { | 75 | 'addRandomByte': function(aValue) { |
76 | this.stack().appendByte(aValue); | 76 | this.stack().appendByte(aValue); |
77 | 77 | ||
78 | if (this.stack().length() > this.maxStackLengthBeforeHashing()) { | 78 | if (this.stack().length() > this.maxStackLengthBeforeHashing()) { |
79 | this.setStack(Clipperz.Crypto.SHA.sha_d256(this.stack())); | 79 | this.setStack(Clipperz.Crypto.SHA.sha_d256(this.stack())); |
80 | } | 80 | } |
81 | }, | 81 | }, |
82 | 82 | ||
83 | //------------------------------------------------------------------------- | 83 | //------------------------------------------------------------------------- |
84 | __syntaxFix__: "syntax fix" | 84 | __syntaxFix__: "syntax fix" |
85 | }); | 85 | }); |
86 | 86 | ||
87 | //############################################################################# | 87 | //############################################################################# |
88 | 88 | ||
89 | Clipperz.Crypto.PRNG.RandomnessSource = function(args) { | 89 | Clipperz.Crypto.PRNG.RandomnessSource = function(args) { |
90 | args = args || {}; | 90 | args = args || {}; |
91 | MochiKit.Base.bindMethods(this); | 91 | MochiKit.Base.bindMethods(this); |
92 | 92 | ||
93 | this._generator = args.generator || null; | 93 | this._generator = args.generator || null; |
94 | this._sourceId = args.sourceId || null; | 94 | this._sourceId = args.sourceId || null; |
95 | this._boostMode = args.boostMode || false; | 95 | this._boostMode = args.boostMode || false; |
96 | 96 | ||
97 | this._nextPoolIndex = 0; | 97 | this._nextPoolIndex = 0; |
98 | 98 | ||
99 | return this; | 99 | return this; |
100 | } | 100 | } |
101 | 101 | ||
102 | Clipperz.Crypto.PRNG.RandomnessSource.prototype = MochiKit.Base.update(null, { | 102 | Clipperz.Crypto.PRNG.RandomnessSource.prototype = MochiKit.Base.update(null, { |
103 | 103 | ||
104 | 'generator': function() { | 104 | 'generator': function() { |
105 | return this._generator; | 105 | return this._generator; |
106 | }, | 106 | }, |
107 | 107 | ||
108 | 'setGenerator': function(aValue) { | 108 | 'setGenerator': function(aValue) { |
109 | this._generator = aValue; | 109 | this._generator = aValue; |
110 | }, | 110 | }, |
111 | 111 | ||
112 | //------------------------------------------------------------------------- | 112 | //------------------------------------------------------------------------- |
113 | 113 | ||
114 | 'boostMode': function() { | 114 | 'boostMode': function() { |
115 | return this._boostMode; | 115 | return this._boostMode; |
116 | }, | 116 | }, |
117 | 117 | ||
118 | 'setBoostMode': function(aValue) { | 118 | 'setBoostMode': function(aValue) { |
119 | this._boostMode = aValue; | 119 | this._boostMode = aValue; |
120 | }, | 120 | }, |
121 | 121 | ||
122 | //------------------------------------------------------------------------- | 122 | //------------------------------------------------------------------------- |
123 | 123 | ||
124 | 'sourceId': function() { | 124 | 'sourceId': function() { |
125 | return this._sourceId; | 125 | return this._sourceId; |
126 | }, | 126 | }, |
127 | 127 | ||
128 | 'setSourceId': function(aValue) { | 128 | 'setSourceId': function(aValue) { |
129 | this._sourceId = aValue; | 129 | this._sourceId = aValue; |
130 | }, | 130 | }, |
131 | 131 | ||
132 | //------------------------------------------------------------------------- | 132 | //------------------------------------------------------------------------- |
133 | 133 | ||
134 | 'nextPoolIndex': function() { | 134 | 'nextPoolIndex': function() { |
135 | return this._nextPoolIndex; | 135 | return this._nextPoolIndex; |
136 | }, | 136 | }, |
137 | 137 | ||
138 | 'incrementNextPoolIndex': function() { | 138 | 'incrementNextPoolIndex': function() { |
139 | this._nextPoolIndex = ((this._nextPoolIndex + 1) % this.generator().numberOfEntropyAccumulators()); | 139 | this._nextPoolIndex = ((this._nextPoolIndex + 1) % this.generator().numberOfEntropyAccumulators()); |
140 | }, | 140 | }, |
141 | 141 | ||
142 | //------------------------------------------------------------------------- | 142 | //------------------------------------------------------------------------- |
143 | 143 | ||
144 | 'updateGeneratorWithValue': function(aRandomValue) { | 144 | 'updateGeneratorWithValue': function(aRandomValue) { |
145 | if (this.generator() != null) { | 145 | if (this.generator() != null) { |
146 | this.generator().addRandomByte(this.sourceId(), this.nextPoolIndex(), aRandomValue); | 146 | this.generator().addRandomByte(this.sourceId(), this.nextPoolIndex(), aRandomValue); |
147 | this.incrementNextPoolIndex(); | 147 | this.incrementNextPoolIndex(); |
148 | } | 148 | } |
149 | }, | 149 | }, |
150 | 150 | ||
151 | //------------------------------------------------------------------------- | 151 | //------------------------------------------------------------------------- |
152 | __syntaxFix__: "syntax fix" | 152 | __syntaxFix__: "syntax fix" |
153 | }); | 153 | }); |
154 | 154 | ||
155 | //############################################################################# | 155 | //############################################################################# |
156 | 156 | ||
157 | Clipperz.Crypto.PRNG.TimeRandomnessSource = function(args) { | 157 | Clipperz.Crypto.PRNG.TimeRandomnessSource = function(args) { |
158 | args = args || {}; | 158 | args = args || {}; |
159 | //MochiKit.Base.bindMethods(this); | 159 | //MochiKit.Base.bindMethods(this); |
160 | 160 | ||
161 | this._intervalTime = args.intervalTime || 1000; | 161 | this._intervalTime = args.intervalTime || 1000; |
162 | 162 | ||
163 | Clipperz.Crypto.PRNG.RandomnessSource.call(this, args); | 163 | Clipperz.Crypto.PRNG.RandomnessSource.call(this, args); |
164 | 164 | ||
165 | this.collectEntropy(); | 165 | this.collectEntropy(); |
166 | return this; | 166 | return this; |
167 | } | 167 | } |
168 | 168 | ||
169 | Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { | 169 | Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { |
170 | 170 | ||
171 | 'intervalTime': function() { | 171 | 'intervalTime': function() { |
172 | return this._intervalTime; | 172 | return this._intervalTime; |
173 | }, | 173 | }, |
174 | 174 | ||
175 | //------------------------------------------------------------------------- | 175 | //------------------------------------------------------------------------- |
176 | 176 | ||
177 | 'collectEntropy': function() { | 177 | 'collectEntropy': function() { |
178 | varnow; | 178 | varnow; |
179 | varentropyByte; | 179 | varentropyByte; |
180 | var intervalTime; | 180 | var intervalTime; |
181 | now = new Date(); | 181 | now = new Date(); |
182 | entropyByte = (now.getTime() & 0xff); | 182 | entropyByte = (now.getTime() & 0xff); |
183 | 183 | ||
184 | intervalTime = this.intervalTime(); | 184 | intervalTime = this.intervalTime(); |
185 | if (this.boostMode() == true) { | 185 | if (this.boostMode() == true) { |
186 | intervalTime = intervalTime / 9; | 186 | intervalTime = intervalTime / 9; |
187 | } | 187 | } |
188 | 188 | ||
189 | this.updateGeneratorWithValue(entropyByte); | 189 | this.updateGeneratorWithValue(entropyByte); |
190 | setTimeout(this.collectEntropy, intervalTime); | 190 | setTimeout(this.collectEntropy, intervalTime); |
191 | }, | 191 | }, |
192 | 192 | ||
193 | //------------------------------------------------------------------------- | 193 | //------------------------------------------------------------------------- |
194 | 194 | ||
195 | 'numberOfRandomBits': function() { | 195 | 'numberOfRandomBits': function() { |
196 | return 5; | 196 | return 5; |
197 | }, | 197 | }, |
198 | 198 | ||
199 | //------------------------------------------------------------------------- | 199 | //------------------------------------------------------------------------- |
200 | |||
201 | 'pollingFrequency': function() { | ||
202 | return 10; | ||
203 | }, | ||
204 | |||
205 | //------------------------------------------------------------------------- | ||
206 | __syntaxFix__: "syntax fix" | 200 | __syntaxFix__: "syntax fix" |
207 | }); | 201 | }); |
208 | 202 | ||
209 | //***************************************************************************** | 203 | //***************************************************************************** |
210 | 204 | ||
211 | Clipperz.Crypto.PRNG.MouseRandomnessSource = function(args) { | 205 | Clipperz.Crypto.PRNG.MouseRandomnessSource = function(args) { |
212 | args = args || {}; | 206 | args = args || {}; |
213 | 207 | ||
214 | Clipperz.Crypto.PRNG.RandomnessSource.call(this, args); | 208 | Clipperz.Crypto.PRNG.RandomnessSource.call(this, args); |
215 | 209 | ||
216 | this._numberOfBitsToCollectAtEachEvent = 4; | 210 | this._numberOfBitsToCollectAtEachEvent = 4; |
217 | this._randomBitsCollector = 0; | 211 | this._randomBitsCollector = 0; |
218 | this._numberOfRandomBitsCollected = 0; | 212 | this._numberOfRandomBitsCollected = 0; |
219 | 213 | ||
220 | MochiKit.Signal.connect(document, 'onmousemove', this, 'collectEntropy'); | 214 | MochiKit.Signal.connect(document, 'onmousemove', this, 'collectEntropy'); |
221 | 215 | ||
222 | return this; | 216 | return this; |
223 | } | 217 | } |
224 | 218 | ||
225 | Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { | 219 | Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { |
226 | 220 | ||
227 | //------------------------------------------------------------------------- | 221 | //------------------------------------------------------------------------- |
228 | 222 | ||
229 | 'numberOfBitsToCollectAtEachEvent': function() { | 223 | 'numberOfBitsToCollectAtEachEvent': function() { |
230 | return this._numberOfBitsToCollectAtEachEvent; | 224 | return this._numberOfBitsToCollectAtEachEvent; |
231 | }, | 225 | }, |
232 | 226 | ||
233 | //------------------------------------------------------------------------- | 227 | //------------------------------------------------------------------------- |
234 | 228 | ||
235 | 'randomBitsCollector': function() { | 229 | 'randomBitsCollector': function() { |
236 | return this._randomBitsCollector; | 230 | return this._randomBitsCollector; |
237 | }, | 231 | }, |
238 | 232 | ||
239 | 'setRandomBitsCollector': function(aValue) { | 233 | 'setRandomBitsCollector': function(aValue) { |
240 | this._randomBitsCollector = aValue; | 234 | this._randomBitsCollector = aValue; |
241 | }, | 235 | }, |
242 | 236 | ||
243 | 'appendRandomBitsToRandomBitsCollector': function(aValue) { | 237 | 'appendRandomBitsToRandomBitsCollector': function(aValue) { |
244 | var collectedBits; | 238 | var collectedBits; |
245 | var numberOfRandomBitsCollected; | 239 | var numberOfRandomBitsCollected; |
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); |
256 | } | 250 | } |
257 | 251 | ||
258 | this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected) | 252 | this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected) |
259 | }, | 253 | }, |
260 | 254 | ||
261 | //------------------------------------------------------------------------- | 255 | //------------------------------------------------------------------------- |
262 | 256 | ||
263 | 'numberOfRandomBitsCollected': function() { | 257 | 'numberOfRandomBitsCollected': function() { |
264 | return this._numberOfRandomBitsCollected; | 258 | return this._numberOfRandomBitsCollected; |
265 | }, | 259 | }, |
266 | 260 | ||
267 | 'setNumberOfRandomBitsCollected': function(aValue) { | 261 | 'setNumberOfRandomBitsCollected': function(aValue) { |
268 | this._numberOfRandomBitsCollected = aValue; | 262 | this._numberOfRandomBitsCollected = aValue; |
269 | }, | 263 | }, |
270 | 264 | ||
271 | //------------------------------------------------------------------------- | 265 | //------------------------------------------------------------------------- |
272 | 266 | ||
273 | 'collectEntropy': function(anEvent) { | 267 | 'collectEntropy': function(anEvent) { |
274 | var mouseLocation; | 268 | var mouseLocation; |
275 | var randomBit; | 269 | var randomBit; |
276 | var mask; | 270 | var mask; |
277 | 271 | ||
278 | mask = 0xffffffff >>> (32 - this.numberOfBitsToCollectAtEachEvent()); | 272 | mask = 0xffffffff >>> (32 - this.numberOfBitsToCollectAtEachEvent()); |
279 | 273 | ||
280 | mouseLocation = anEvent.mouse().client; | 274 | mouseLocation = anEvent.mouse().client; |
281 | randomBit = ((mouseLocation.x ^ mouseLocation.y) & mask); | 275 | randomBit = ((mouseLocation.x ^ mouseLocation.y) & mask); |
282 | this.appendRandomBitsToRandomBitsCollector(randomBit) | 276 | this.appendRandomBitsToRandomBitsCollector(randomBit) |
283 | }, | 277 | }, |
284 | 278 | ||
285 | //------------------------------------------------------------------------- | 279 | //------------------------------------------------------------------------- |
286 | 280 | ||
287 | 'numberOfRandomBits': function() { | 281 | 'numberOfRandomBits': function() { |
288 | return 1; | 282 | return 1; |
289 | }, | 283 | }, |
290 | 284 | ||
291 | //------------------------------------------------------------------------- | 285 | //------------------------------------------------------------------------- |
292 | |||
293 | 'pollingFrequency': function() { | ||
294 | return 10; | ||
295 | }, | ||
296 | |||
297 | //------------------------------------------------------------------------- | ||
298 | __syntaxFix__: "syntax fix" | 286 | __syntaxFix__: "syntax fix" |
299 | }); | 287 | }); |
300 | 288 | ||
301 | //***************************************************************************** | 289 | //***************************************************************************** |
302 | 290 | ||
303 | Clipperz.Crypto.PRNG.KeyboardRandomnessSource = function(args) { | 291 | Clipperz.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 | ||
315 | Clipperz.Crypto.PRNG.KeyboardRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, { | 303 | Clipperz.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 = 64; | ||
320 | } else { | ||
321 | bytesToCollect = 8; | ||
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 | }); |
384 | 336 | ||
385 | //############################################################################# | 337 | //############################################################################# |
386 | 338 | ||
387 | Clipperz.Crypto.PRNG.Fortuna = function(args) { | 339 | Clipperz.Crypto.PRNG.Fortuna = function(args) { |
388 | vari,c; | 340 | vari,c; |
389 | 341 | ||
390 | args = args || {}; | 342 | args = args || {}; |
391 | 343 | ||
392 | this._key = args.seed || null; | 344 | this._key = args.seed || null; |
393 | if (this._key == null) { | 345 | if (this._key == null) { |
394 | this._counter = 0; | 346 | this._counter = 0; |
395 | this._key = new Clipperz.ByteArray(); | 347 | this._key = new Clipperz.ByteArray(); |
396 | } else { | 348 | } else { |
397 | this._counter = 1; | 349 | this._counter = 1; |
398 | } | 350 | } |
399 | 351 | ||
400 | this._aesKey = null; | 352 | this._aesKey = null; |
401 | 353 | ||
402 | this._firstPoolReseedLevel = args.firstPoolReseedLevel || 32 || 64; | 354 | this._firstPoolReseedLevel = args.firstPoolReseedLevel || 32 || 64; |
403 | this._numberOfEntropyAccumulators = args.numberOfEntropyAccumulators || 32; | 355 | this._numberOfEntropyAccumulators = args.numberOfEntropyAccumulators || 32; |
404 | 356 | ||
405 | this._accumulators = []; | 357 | this._accumulators = []; |
406 | c = this.numberOfEntropyAccumulators(); | 358 | c = this.numberOfEntropyAccumulators(); |
407 | for (i=0; i<c; i++) { | 359 | for (i=0; i<c; i++) { |
408 | this._accumulators.push(new Clipperz.Crypto.PRNG.EntropyAccumulator()); | 360 | this._accumulators.push(new Clipperz.Crypto.PRNG.EntropyAccumulator()); |
409 | } | 361 | } |
410 | 362 | ||
411 | this._randomnessSources = []; | 363 | this._randomnessSources = []; |
412 | this._reseedCounter = 0; | 364 | this._reseedCounter = 0; |
413 | 365 | ||
414 | return this; | 366 | return this; |
415 | } | 367 | } |
416 | 368 | ||
417 | Clipperz.Crypto.PRNG.Fortuna.prototype = MochiKit.Base.update(null, { | 369 | Clipperz.Crypto.PRNG.Fortuna.prototype = MochiKit.Base.update(null, { |
418 | 370 | ||
419 | 'toString': function() { | 371 | 'toString': function() { |
420 | return "Clipperz.Crypto.PRNG.Fortuna"; | 372 | return "Clipperz.Crypto.PRNG.Fortuna"; |
421 | }, | 373 | }, |
422 | 374 | ||
423 | //------------------------------------------------------------------------- | 375 | //------------------------------------------------------------------------- |
424 | 376 | ||
425 | 'key': function() { | 377 | 'key': function() { |
426 | return this._key; | 378 | return this._key; |
427 | }, | 379 | }, |
428 | 380 | ||
429 | 'setKey': function(aValue) { | 381 | 'setKey': function(aValue) { |
430 | this._key = aValue; | 382 | this._key = aValue; |
431 | this._aesKey = null; | 383 | this._aesKey = null; |
432 | }, | 384 | }, |
433 | 385 | ||
434 | 'aesKey': function() { | 386 | 'aesKey': function() { |
435 | if (this._aesKey == null) { | 387 | if (this._aesKey == null) { |
436 | this._aesKey = new Clipperz.Crypto.AES.Key({key:this.key()}); | 388 | this._aesKey = new Clipperz.Crypto.AES.Key({key:this.key()}); |
437 | } | 389 | } |
438 | 390 | ||
439 | return this._aesKey; | 391 | return this._aesKey; |
440 | }, | 392 | }, |
441 | 393 | ||
442 | 'accumulators': function() { | 394 | 'accumulators': function() { |
443 | return this._accumulators; | 395 | return this._accumulators; |
444 | }, | 396 | }, |
445 | 397 | ||
446 | 'firstPoolReseedLevel': function() { | 398 | 'firstPoolReseedLevel': function() { |
447 | return this._firstPoolReseedLevel; | 399 | return this._firstPoolReseedLevel; |
448 | }, | 400 | }, |
449 | 401 | ||
450 | //------------------------------------------------------------------------- | 402 | //------------------------------------------------------------------------- |
451 | 403 | ||
452 | 'reseedCounter': function() { | 404 | 'reseedCounter': function() { |
453 | return this._reseedCounter; | 405 | return this._reseedCounter; |
454 | }, | 406 | }, |
455 | 407 | ||
456 | 'incrementReseedCounter': function() { | 408 | 'incrementReseedCounter': function() { |
457 | this._reseedCounter = this._reseedCounter +1; | 409 | this._reseedCounter = this._reseedCounter +1; |
458 | }, | 410 | }, |
459 | 411 | ||
460 | //------------------------------------------------------------------------- | 412 | //------------------------------------------------------------------------- |
461 | 413 | ||
462 | 'reseed': function() { | 414 | 'reseed': function() { |
463 | varnewKeySeed; | 415 | varnewKeySeed; |
464 | var reseedCounter; | 416 | var reseedCounter; |
465 | varreseedCounterMask; | 417 | varreseedCounterMask; |
466 | var i, c; | 418 | var i, c; |
467 | 419 | ||
468 | newKeySeed = this.key(); | 420 | newKeySeed = this.key(); |
469 | this.incrementReseedCounter(); | 421 | this.incrementReseedCounter(); |
470 | reseedCounter = this.reseedCounter(); | 422 | reseedCounter = this.reseedCounter(); |
471 | 423 | ||
472 | c = this.numberOfEntropyAccumulators(); | 424 | c = this.numberOfEntropyAccumulators(); |
473 | reseedCounterMask = 0xffffffff >>> (32 - c); | 425 | reseedCounterMask = 0xffffffff >>> (32 - c); |
474 | for (i=0; i<c; i++) { | 426 | for (i=0; i<c; i++) { |
475 | if ((i == 0) || ((reseedCounter & (reseedCounterMask >>> (c - i))) == 0)) { | 427 | if ((i == 0) || ((reseedCounter & (reseedCounterMask >>> (c - i))) == 0)) { |
476 | newKeySeed.appendBlock(this.accumulators()[i].stack()); | 428 | newKeySeed.appendBlock(this.accumulators()[i].stack()); |
477 | this.accumulators()[i].resetStack(); | 429 | this.accumulators()[i].resetStack(); |
478 | } | 430 | } |
479 | } | 431 | } |
480 | 432 | ||
481 | if (reseedCounter == 1) { | 433 | if (reseedCounter == 1) { |
482 | c = this.randomnessSources().length; | 434 | c = this.randomnessSources().length; |
483 | for (i=0; i<c; i++) { | 435 | for (i=0; i<c; i++) { |
484 | this.randomnessSources()[i].setBoostMode(false); | 436 | this.randomnessSources()[i].setBoostMode(false); |
485 | } | 437 | } |
486 | } | 438 | } |
487 | 439 | ||
488 | this.setKey(Clipperz.Crypto.SHA.sha_d256(newKeySeed)); | 440 | this.setKey(Clipperz.Crypto.SHA.sha_d256(newKeySeed)); |
489 | if (reseedCounter == 1) { | 441 | if (reseedCounter == 1) { |
490 | MochiKit.Logging.logDebug("### PRNG.readyToGenerateRandomBytes"); | 442 | MochiKit.Logging.logDebug("### PRNG.readyToGenerateRandomBytes"); |
491 | MochiKit.Signal.signal(this, 'readyToGenerateRandomBytes'); | 443 | MochiKit.Signal.signal(this, 'readyToGenerateRandomBytes'); |
492 | } | 444 | } |
493 | MochiKit.Signal.signal(this, 'reseeded'); | 445 | MochiKit.Signal.signal(this, 'reseeded'); |
494 | }, | 446 | }, |
495 | 447 | ||
496 | //------------------------------------------------------------------------- | 448 | //------------------------------------------------------------------------- |
497 | 449 | ||
498 | 'isReadyToGenerateRandomValues': function() { | 450 | 'isReadyToGenerateRandomValues': function() { |
499 | return this.reseedCounter() != 0; | 451 | return this.reseedCounter() != 0; |
500 | }, | 452 | }, |
501 | 453 | ||
502 | //------------------------------------------------------------------------- | 454 | //------------------------------------------------------------------------- |
503 | 455 | ||
504 | 'entropyLevel': function() { | 456 | 'entropyLevel': function() { |
505 | return this.accumulators()[0].stack().length() + (this.reseedCounter() * this.firstPoolReseedLevel()); | 457 | return this.accumulators()[0].stack().length() + (this.reseedCounter() * this.firstPoolReseedLevel()); |
506 | }, | 458 | }, |
507 | 459 | ||
508 | //------------------------------------------------------------------------- | 460 | //------------------------------------------------------------------------- |
509 | 461 | ||
510 | 'counter': function() { | 462 | 'counter': function() { |
511 | return this._counter; | 463 | return this._counter; |
512 | }, | 464 | }, |
513 | 465 | ||
514 | 'incrementCounter': function() { | 466 | 'incrementCounter': function() { |
515 | this._counter += 1; | 467 | this._counter += 1; |
516 | }, | 468 | }, |
517 | 469 | ||
518 | 'counterBlock': function() { | 470 | 'counterBlock': function() { |
519 | var result; | 471 | var result; |
520 | 472 | ||
521 | result = new Clipperz.ByteArray().appendWords(this.counter(), 0, 0, 0); | 473 | result = new Clipperz.ByteArray().appendWords(this.counter(), 0, 0, 0); |
522 | 474 | ||
523 | return result; | 475 | return result; |
524 | }, | 476 | }, |
525 | 477 | ||
526 | //------------------------------------------------------------------------- | 478 | //------------------------------------------------------------------------- |
527 | 479 | ||
528 | 'getRandomBlock': function() { | 480 | 'getRandomBlock': function() { |
529 | var result; | 481 | var result; |
530 | 482 | ||
531 | result = new Clipperz.ByteArray(Clipperz.Crypto.AES.encryptBlock(this.aesKey(), this.counterBlock().arrayValues())); | 483 | result = new Clipperz.ByteArray(Clipperz.Crypto.AES.encryptBlock(this.aesKey(), this.counterBlock().arrayValues())); |
532 | this.incrementCounter(); | 484 | this.incrementCounter(); |
533 | 485 | ||
534 | return result; | 486 | return result; |
535 | }, | 487 | }, |
536 | 488 | ||
537 | //------------------------------------------------------------------------- | 489 | //------------------------------------------------------------------------- |
538 | 490 | ||
539 | 'getRandomBytes': function(aSize) { | 491 | 'getRandomBytes': function(aSize) { |
540 | var result; | 492 | var result; |
541 | 493 | ||
542 | if (this.isReadyToGenerateRandomValues()) { | 494 | if (this.isReadyToGenerateRandomValues()) { |
543 | var i,c; | 495 | var i,c; |
544 | var newKey; | 496 | var newKey; |
545 | 497 | ||
546 | result = new Clipperz.ByteArray(); | 498 | result = new Clipperz.ByteArray(); |
547 | 499 | ||
548 | c = Math.ceil(aSize / (128 / 8)); | 500 | c = Math.ceil(aSize / (128 / 8)); |
549 | for (i=0; i<c; i++) { | 501 | for (i=0; i<c; i++) { |
550 | result.appendBlock(this.getRandomBlock()); | 502 | result.appendBlock(this.getRandomBlock()); |
551 | } | 503 | } |
552 | 504 | ||
553 | if (result.length() != aSize) { | 505 | if (result.length() != aSize) { |
554 | result = result.split(0, aSize); | 506 | result = result.split(0, aSize); |
555 | } | 507 | } |
556 | 508 | ||
557 | newKey = this.getRandomBlock().appendBlock(this.getRandomBlock()); | 509 | newKey = this.getRandomBlock().appendBlock(this.getRandomBlock()); |
558 | this.setKey(newKey); | 510 | this.setKey(newKey); |
559 | } else { | 511 | } else { |
560 | MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!"); | 512 | MochiKit.Logging.logWarning("Fortuna generator has not enough entropy, yet!"); |
561 | throw Clipperz.Crypto.PRNG.exception.NotEnoughEntropy; | 513 | throw Clipperz.Crypto.PRNG.exception.NotEnoughEntropy; |
562 | } | 514 | } |
563 | 515 | ||
564 | return result; | 516 | return result; |
565 | }, | 517 | }, |
566 | 518 | ||
567 | //------------------------------------------------------------------------- | 519 | //------------------------------------------------------------------------- |
568 | 520 | ||
569 | 'addRandomByte': function(aSourceId, aPoolId, aRandomValue) { | 521 | 'addRandomByte': function(aSourceId, aPoolId, aRandomValue) { |
570 | varselectedAccumulator; | 522 | varselectedAccumulator; |
571 | 523 | ||
572 | selectedAccumulator = this.accumulators()[aPoolId]; | 524 | selectedAccumulator = this.accumulators()[aPoolId]; |
573 | selectedAccumulator.addRandomByte(aRandomValue); | 525 | selectedAccumulator.addRandomByte(aRandomValue); |
574 | 526 | ||
575 | if (aPoolId == 0) { | 527 | if (aPoolId == 0) { |
576 | MochiKit.Signal.signal(this, 'addedRandomByte') | 528 | MochiKit.Signal.signal(this, 'addedRandomByte') |
577 | if (selectedAccumulator.stack().length() > this.firstPoolReseedLevel()) { | 529 | if (selectedAccumulator.stack().length() > this.firstPoolReseedLevel()) { |
578 | this.reseed(); | 530 | this.reseed(); |
579 | } | 531 | } |
580 | } | 532 | } |
581 | }, | 533 | }, |
582 | 534 | ||
583 | //------------------------------------------------------------------------- | 535 | //------------------------------------------------------------------------- |
584 | 536 | ||
585 | 'numberOfEntropyAccumulators': function() { | 537 | 'numberOfEntropyAccumulators': function() { |
586 | return this._numberOfEntropyAccumulators; | 538 | return this._numberOfEntropyAccumulators; |
587 | }, | 539 | }, |
588 | 540 | ||
589 | //------------------------------------------------------------------------- | 541 | //------------------------------------------------------------------------- |
590 | 542 | ||
591 | 'randomnessSources': function() { | 543 | 'randomnessSources': function() { |
592 | return this._randomnessSources; | 544 | return this._randomnessSources; |
593 | }, | 545 | }, |
594 | 546 | ||
595 | 'addRandomnessSource': function(aRandomnessSource) { | 547 | 'addRandomnessSource': function(aRandomnessSource) { |
596 | aRandomnessSource.setGenerator(this); | 548 | aRandomnessSource.setGenerator(this); |
597 | aRandomnessSource.setSourceId(this.randomnessSources().length); | 549 | aRandomnessSource.setSourceId(this.randomnessSources().length); |
598 | this.randomnessSources().push(aRandomnessSource); | 550 | this.randomnessSources().push(aRandomnessSource); |
599 | 551 | ||
600 | if (this.isReadyToGenerateRandomValues() == false) { | 552 | if (this.isReadyToGenerateRandomValues() == false) { |
601 | aRandomnessSource.setBoostMode(true); | 553 | aRandomnessSource.setBoostMode(true); |
602 | } | 554 | } |
603 | }, | 555 | }, |
604 | 556 | ||
605 | //------------------------------------------------------------------------- | 557 | //------------------------------------------------------------------------- |
606 | 558 | ||
607 | 'deferredEntropyCollection': function(aValue) { | 559 | 'deferredEntropyCollection': function(aValue) { |
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 | ||
619 | Clipperz.NotificationCenter.notify(this, 'updatedProgressState', 'collectingEntropy', true); | 568 | Clipperz.NotificationCenter.notify(this, 'updatedProgressState', 'collectingEntropy', true); |
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', |
627 | deferredResult, | 574 | deferredResult, |
628 | 'callback'); | 575 | 'callback'); |
629 | 576 | ||
630 | result = deferredResult; | 577 | result = deferredResult; |
631 | } | 578 | } |
632 | //MochiKit.Logging.logDebug("<<< PRNG.deferredEntropyCollection - result: " + result); | ||
633 | 579 | ||
634 | return result; | 580 | return result; |
635 | }, | 581 | }, |
636 | 582 | ||
637 | //------------------------------------------------------------------------- | 583 | //------------------------------------------------------------------------- |
638 | 584 | ||
639 | 'fastEntropyAccumulationForTestingPurpose': function() { | 585 | 'fastEntropyAccumulationForTestingPurpose': function() { |
640 | while (! this.isReadyToGenerateRandomValues()) { | 586 | while (! this.isReadyToGenerateRandomValues()) { |
641 | this.addRandomByte(Math.floor(Math.random() * 32), Math.floor(Math.random() * 32), Math.floor(Math.random() * 256)); | 587 | this.addRandomByte(Math.floor(Math.random() * 32), Math.floor(Math.random() * 32), Math.floor(Math.random() * 256)); |
642 | } | 588 | } |
643 | }, | 589 | }, |
644 | 590 | ||
645 | //------------------------------------------------------------------------- | 591 | //------------------------------------------------------------------------- |
646 | 592 | /* | |
647 | 'dump': function(appendToDoc) { | 593 | 'dump': function(appendToDoc) { |
648 | var tbl; | 594 | var tbl; |
649 | var i,c; | 595 | var i,c; |
650 | 596 | ||
651 | tbl = document.createElement("table"); | 597 | tbl = document.createElement("table"); |
652 | tbl.border = 0; | 598 | tbl.border = 0; |
653 | with (tbl.style) { | 599 | with (tbl.style) { |
654 | border = "1px solid lightgrey"; | 600 | border = "1px solid lightgrey"; |
655 | fontFamily = 'Helvetica, Arial, sans-serif'; | 601 | fontFamily = 'Helvetica, Arial, sans-serif'; |
656 | fontSize = '8pt'; | 602 | fontSize = '8pt'; |
657 | //borderCollapse = "collapse"; | 603 | //borderCollapse = "collapse"; |
658 | } | 604 | } |
659 | var hdr = tbl.createTHead(); | 605 | var hdr = tbl.createTHead(); |
660 | var hdrtr = hdr.insertRow(0); | 606 | var hdrtr = hdr.insertRow(0); |
661 | // document.createElement("tr"); | 607 | // document.createElement("tr"); |
662 | { | 608 | { |
663 | var ntd; | 609 | var ntd; |
664 | 610 | ||
665 | ntd = hdrtr.insertCell(0); | 611 | ntd = hdrtr.insertCell(0); |
666 | ntd.style.borderBottom = "1px solid lightgrey"; | 612 | ntd.style.borderBottom = "1px solid lightgrey"; |
667 | ntd.style.borderRight = "1px solid lightgrey"; | 613 | ntd.style.borderRight = "1px solid lightgrey"; |
668 | ntd.appendChild(document.createTextNode("#")); | 614 | ntd.appendChild(document.createTextNode("#")); |
669 | 615 | ||
670 | ntd = hdrtr.insertCell(1); | 616 | ntd = hdrtr.insertCell(1); |
671 | ntd.style.borderBottom = "1px solid lightgrey"; | 617 | ntd.style.borderBottom = "1px solid lightgrey"; |
672 | ntd.style.borderRight = "1px solid lightgrey"; | 618 | ntd.style.borderRight = "1px solid lightgrey"; |
673 | ntd.appendChild(document.createTextNode("s")); | 619 | ntd.appendChild(document.createTextNode("s")); |
674 | 620 | ||
675 | ntd = hdrtr.insertCell(2); | 621 | ntd = hdrtr.insertCell(2); |
676 | ntd.colSpan = this.firstPoolReseedLevel(); | 622 | ntd.colSpan = this.firstPoolReseedLevel(); |
677 | ntd.style.borderBottom = "1px solid lightgrey"; | 623 | ntd.style.borderBottom = "1px solid lightgrey"; |
678 | ntd.style.borderRight = "1px solid lightgrey"; | 624 | ntd.style.borderRight = "1px solid lightgrey"; |
679 | ntd.appendChild(document.createTextNode("base values")); | 625 | ntd.appendChild(document.createTextNode("base values")); |
680 | 626 | ||
681 | ntd = hdrtr.insertCell(3); | 627 | ntd = hdrtr.insertCell(3); |
682 | ntd.colSpan = 20; | 628 | ntd.colSpan = 20; |
683 | ntd.style.borderBottom = "1px solid lightgrey"; | 629 | ntd.style.borderBottom = "1px solid lightgrey"; |
684 | ntd.appendChild(document.createTextNode("extra values")); | 630 | ntd.appendChild(document.createTextNode("extra values")); |
685 | 631 | ||
686 | } | 632 | } |
687 | 633 | ||
688 | c = this.accumulators().length; | 634 | c = this.accumulators().length; |
689 | for (i=0; i<c ; i++) { | 635 | for (i=0; i<c ; i++) { |
690 | varcurrentAccumulator; | 636 | varcurrentAccumulator; |
691 | var bdytr; | 637 | var bdytr; |
692 | var bdytd; | 638 | var bdytd; |
693 | var ii, cc; | 639 | var ii, cc; |
694 | 640 | ||
695 | currentAccumulator = this.accumulators()[i] | 641 | currentAccumulator = this.accumulators()[i] |
696 | 642 | ||
697 | bdytr = tbl.insertRow(true); | 643 | bdytr = tbl.insertRow(true); |
698 | 644 | ||
699 | bdytd = bdytr.insertCell(0); | 645 | bdytd = bdytr.insertCell(0); |
700 | bdytd.style.borderRight = "1px solid lightgrey"; | 646 | bdytd.style.borderRight = "1px solid lightgrey"; |
701 | bdytd.style.color = "lightgrey"; | 647 | bdytd.style.color = "lightgrey"; |
702 | bdytd.appendChild(document.createTextNode("" + i)); | 648 | bdytd.appendChild(document.createTextNode("" + i)); |
703 | 649 | ||
704 | bdytd = bdytr.insertCell(1); | 650 | bdytd = bdytr.insertCell(1); |
705 | bdytd.style.borderRight = "1px solid lightgrey"; | 651 | bdytd.style.borderRight = "1px solid lightgrey"; |
706 | bdytd.style.color = "gray"; | 652 | bdytd.style.color = "gray"; |
707 | bdytd.appendChild(document.createTextNode("" + currentAccumulator.stack().length())); | 653 | bdytd.appendChild(document.createTextNode("" + currentAccumulator.stack().length())); |
708 | 654 | ||
709 | 655 | ||
710 | cc = Math.max(currentAccumulator.stack().length(), this.firstPoolReseedLevel()); | 656 | cc = Math.max(currentAccumulator.stack().length(), this.firstPoolReseedLevel()); |
711 | for (ii=0; ii<cc; ii++) { | 657 | for (ii=0; ii<cc; ii++) { |
712 | var cellText; | 658 | var cellText; |
713 | 659 | ||
714 | bdytd = bdytr.insertCell(ii + 2); | 660 | bdytd = bdytr.insertCell(ii + 2); |
715 | 661 | ||
716 | if (ii < currentAccumulator.stack().length()) { | 662 | if (ii < currentAccumulator.stack().length()) { |
717 | cellText = Clipperz.ByteArray.byteToHex(currentAccumulator.stack().byteAtIndex(ii)); | 663 | cellText = Clipperz.ByteArray.byteToHex(currentAccumulator.stack().byteAtIndex(ii)); |
718 | } else { | 664 | } else { |
719 | cellText = "_"; | 665 | cellText = "_"; |
720 | } | 666 | } |
721 | 667 | ||
722 | if (ii == (this.firstPoolReseedLevel() - 1)) { | 668 | if (ii == (this.firstPoolReseedLevel() - 1)) { |
723 | bdytd.style.borderRight = "1px solid lightgrey"; | 669 | bdytd.style.borderRight = "1px solid lightgrey"; |
724 | } | 670 | } |
725 | 671 | ||
726 | bdytd.appendChild(document.createTextNode(cellText)); | 672 | bdytd.appendChild(document.createTextNode(cellText)); |
727 | } | 673 | } |
728 | 674 | ||
729 | } | 675 | } |
730 | 676 | ||
731 | 677 | ||
732 | if (appendToDoc) { | 678 | if (appendToDoc) { |
733 | var ne = document.createElement("div"); | 679 | var ne = document.createElement("div"); |
734 | ne.id = "entropyGeneratorStatus"; | 680 | ne.id = "entropyGeneratorStatus"; |
735 | with (ne.style) { | 681 | with (ne.style) { |
736 | fontFamily = "Courier New, monospace"; | 682 | fontFamily = "Courier New, monospace"; |
737 | fontSize = "12px"; | 683 | fontSize = "12px"; |
738 | lineHeight = "16px"; | 684 | lineHeight = "16px"; |
739 | borderTop = "1px solid black"; | 685 | borderTop = "1px solid black"; |
740 | padding = "10px"; | 686 | padding = "10px"; |
741 | } | 687 | } |
742 | if (document.getElementById(ne.id)) { | 688 | if (document.getElementById(ne.id)) { |
743 | MochiKit.DOM.swapDOM(ne.id, ne); | 689 | MochiKit.DOM.swapDOM(ne.id, ne); |
744 | } else { | 690 | } else { |
745 | document.body.appendChild(ne); | 691 | document.body.appendChild(ne); |
746 | } | 692 | } |
747 | ne.appendChild(tbl); | 693 | ne.appendChild(tbl); |
748 | } | 694 | } |
749 | 695 | ||
750 | return tbl; | 696 | return tbl; |
751 | }, | 697 | }, |
752 | 698 | */ | |
753 | //----------------------------------------------------------------------------- | 699 | //----------------------------------------------------------------------------- |
754 | __syntaxFix__: "syntax fix" | 700 | __syntaxFix__: "syntax fix" |
755 | }); | 701 | }); |
756 | 702 | ||
757 | //############################################################################# | 703 | //############################################################################# |
758 | 704 | ||
759 | Clipperz.Crypto.PRNG.Random = function(args) { | 705 | Clipperz.Crypto.PRNG.Random = function(args) { |
760 | args = args || {}; | 706 | args = args || {}; |
761 | //MochiKit.Base.bindMethods(this); | 707 | //MochiKit.Base.bindMethods(this); |
762 | 708 | ||
763 | return this; | 709 | return this; |
764 | } | 710 | } |
765 | 711 | ||
766 | Clipperz.Crypto.PRNG.Random.prototype = MochiKit.Base.update(null, { | 712 | Clipperz.Crypto.PRNG.Random.prototype = MochiKit.Base.update(null, { |
767 | 713 | ||
768 | 'toString': function() { | 714 | 'toString': function() { |
769 | return "Clipperz.Crypto.PRNG.Random"; | 715 | return "Clipperz.Crypto.PRNG.Random"; |
770 | }, | 716 | }, |
771 | 717 | ||
772 | //------------------------------------------------------------------------- | 718 | //------------------------------------------------------------------------- |
773 | 719 | ||
774 | 'getRandomBytes': function(aSize) { | 720 | 'getRandomBytes': function(aSize) { |
775 | //Clipperz.Profile.start("Clipperz.Crypto.PRNG.Random.getRandomBytes"); | 721 | //Clipperz.Profile.start("Clipperz.Crypto.PRNG.Random.getRandomBytes"); |
776 | varresult; | 722 | varresult; |
777 | var i,c; | 723 | var i,c; |
778 | 724 | ||
779 | result = new Clipperz.ByteArray() | 725 | result = new Clipperz.ByteArray() |
780 | c = aSize || 1; | 726 | c = aSize || 1; |
781 | for (i=0; i<c; i++) { | 727 | for (i=0; i<c; i++) { |
782 | result.appendByte((Math.random()*255) & 0xff); | 728 | result.appendByte((Math.random()*255) & 0xff); |
783 | } | 729 | } |
784 | 730 | ||
785 | //Clipperz.Profile.stop("Clipperz.Crypto.PRNG.Random.getRandomBytes"); | 731 | //Clipperz.Profile.stop("Clipperz.Crypto.PRNG.Random.getRandomBytes"); |
786 | return result; | 732 | return result; |
787 | }, | 733 | }, |
788 | 734 | ||
789 | //------------------------------------------------------------------------- | 735 | //------------------------------------------------------------------------- |
790 | __syntaxFix__: "syntax fix" | 736 | __syntaxFix__: "syntax fix" |
791 | }); | 737 | }); |
792 | 738 | ||
793 | //############################################################################# | 739 | //############################################################################# |
794 | 740 | ||
795 | _clipperz_crypt_prng_defaultPRNG = null; | 741 | _clipperz_crypt_prng_defaultPRNG = null; |
796 | 742 | ||
797 | Clipperz.Crypto.PRNG.defaultRandomGenerator = function() { | 743 | Clipperz.Crypto.PRNG.defaultRandomGenerator = function() { |
798 | if (_clipperz_crypt_prng_defaultPRNG == null) { | 744 | if (_clipperz_crypt_prng_defaultPRNG == null) { |
799 | _clipperz_crypt_prng_defaultPRNG = new Clipperz.Crypto.PRNG.Fortuna(); | 745 | _clipperz_crypt_prng_defaultPRNG = new Clipperz.Crypto.PRNG.Fortuna(); |
800 | 746 | ||
801 | //............................................................. | 747 | //............................................................. |
802 | // | 748 | // |
803 | // TimeRandomnessSource | 749 | // TimeRandomnessSource |
804 | // | 750 | // |
805 | //............................................................. | 751 | //............................................................. |
806 | { | 752 | { |
807 | var newRandomnessSource; | 753 | var newRandomnessSource; |
808 | 754 | ||
809 | newRandomnessSource = new Clipperz.Crypto.PRNG.TimeRandomnessSource({intervalTime:111}); | 755 | newRandomnessSource = new Clipperz.Crypto.PRNG.TimeRandomnessSource({intervalTime:111}); |
810 | _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); | 756 | _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); |
811 | } | 757 | } |
812 | 758 | ||
813 | //............................................................. | 759 | //............................................................. |
814 | // | 760 | // |
815 | // MouseRandomnessSource | 761 | // MouseRandomnessSource |
816 | // | 762 | // |
817 | //............................................................. | 763 | //............................................................. |
818 | { | 764 | { |
819 | varnewRandomnessSource; | 765 | varnewRandomnessSource; |
820 | 766 | ||
821 | newRandomnessSource = new Clipperz.Crypto.PRNG.MouseRandomnessSource(); | 767 | newRandomnessSource = new Clipperz.Crypto.PRNG.MouseRandomnessSource(); |
822 | _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); | 768 | _clipperz_crypt_prng_defaultPRNG.addRandomnessSource(newRandomnessSource); |
823 | } | 769 | } |
824 | 770 | ||
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 | ||
839 | return _clipperz_crypt_prng_defaultPRNG; | 795 | return _clipperz_crypt_prng_defaultPRNG; |
840 | }; | 796 | }; |
841 | 797 | ||
842 | //############################################################################# | 798 | //############################################################################# |
843 | 799 | ||
844 | Clipperz.Crypto.PRNG.exception = { | 800 | Clipperz.Crypto.PRNG.exception = { |
845 | NotEnoughEntropy: new MochiKit.Base.NamedError("Clipperz.Crypto.PRNG.exception.NotEnoughEntropy") | 801 | NotEnoughEntropy: new MochiKit.Base.NamedError("Clipperz.Crypto.PRNG.exception.NotEnoughEntropy") |
846 | }; | 802 | }; |
847 | 803 | ||
848 | 804 | ||
849 | MochiKit.DOM.addLoadEvent(Clipperz.Crypto.PRNG.defaultRandomGenerator); | 805 | MochiKit.DOM.addLoadEvent(Clipperz.Crypto.PRNG.defaultRandomGenerator); |