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27 lines
710 B
JavaScript
27 lines
710 B
JavaScript
/**
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*
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* @param {number} size
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* @returns {Buffer}
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*/
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module.exports.randomBytes = function randomBytes(size) {
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if (!global.crypto || !crypto)
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throw new Error("Crypto is not supported on this platform.");
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if (crypto.randomBytes) return crypto.randomBytes(size);
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if (!crypto.getRandomValues)
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throw new Error(
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"Crypto.getRandomValues is not available on this platform."
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);
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const buffer = Buffer.allocUnsafe(size);
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crypto.getRandomValues(buffer);
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return buffer;
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};
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module.exports.randomInt = function () {
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const randomBuffer = module.exports.randomBytes(1);
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let randomNumber = randomBuffer[0] / 0xff; // / (0xffffffff + 1);
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return Math.floor(randomNumber * 0xffffff);
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};
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