| 12345678910111213141516171819202122232425 | 'use strict';var crypto = require('crypto');function md5(bytes) {  if (typeof Buffer.from === 'function') {    // Modern Buffer API    if (Array.isArray(bytes)) {      bytes = Buffer.from(bytes);    } else if (typeof bytes === 'string') {      bytes = Buffer.from(bytes, 'utf8');    }  } else {    // Pre-v4 Buffer API    if (Array.isArray(bytes)) {      bytes = new Buffer(bytes);    } else if (typeof bytes === 'string') {      bytes = new Buffer(bytes, 'utf8');    }  }  return crypto.createHash('md5').update(bytes).digest();}module.exports = md5;
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