13 lines
458 B
JavaScript
13 lines
458 B
JavaScript
// 激活码生成：16 位、4 组、80 位随机
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// 字符表去掉了容易看错的 I/L/O/U，正好 32 个，刚好整除 256，取模不偏
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const crypto = require('crypto')
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const ALPHABET = '0123456789ABCDEFGHJKMNPQRSTVWXYZ'
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function newActivationCode() {
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const raw = Array.from(crypto.randomBytes(16), (b) => ALPHABET[b % ALPHABET.length]).join('')
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return (raw.match(/.{4}/g) || []).join('-')
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}
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module.exports = { newActivationCode, ALPHABET }
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