security-and-privacy/CanvasBlocker
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Also fake array entries that contain zero.

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kkapsner 2018-06-29 23:27:20 +02:00
parent df5109bbf6
commit f7a0990a29
1 changed files with 8 additions and 1 deletions
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9
lib/modifiedAudioAPI.js
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@ -83,7 +83,14 @@
var noiseLevel = getAudioNoiseLevel(prefs);
var rng = randomSupply.getRng(rate, window);
forEachIndex(array, prefs, function(index, i){
array[index] *= 1 + (rng(i) / 0xffffffff - 0.5) * noiseLevel;
let value;
if (array[index] !== 0){
value = array[index] * (1 + (rng(i) / 0xffffffff - 0.5) * noiseLevel);
}
else {
value = Number.EPSILON * (rng(i) / 0xffffffff - 0.5) * noiseLevel;
}
array[index] = value;
});
}
}