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5 |
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6 | var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues) ||
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7 | (typeof(msCrypto) != 'undefined' && msCrypto.getRandomValues);
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8 | if (getRandomValues) {
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9 |
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10 | var rnds8 = new Uint8Array(16);
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11 |
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12 | module.exports = function whatwgRNG() {
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13 | getRandomValues(rnds8);
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14 | return rnds8;
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15 | };
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16 | } else {
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17 |
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18 |
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19 |
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20 |
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21 | var rnds = new Array(16);
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22 |
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23 | module.exports = function mathRNG() {
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24 | for (var i = 0, r; i < 16; i++) {
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25 | if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
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26 | rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
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27 | }
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28 |
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29 | return rnds;
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30 | };
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31 | }
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