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12 lines
323 B
12 lines
323 B
import crypto from 'crypto'; |
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const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate |
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let poolPtr = rnds8Pool.length; |
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export default function rng() { |
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if (poolPtr > rnds8Pool.length - 16) { |
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crypto.randomFillSync(rnds8Pool); |
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poolPtr = 0; |
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} |
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return rnds8Pool.slice(poolPtr, poolPtr += 16); |
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} |