MCP Cloudflare DNS Server

'use strict'; /** * Masks a buffer using the given mask. * * @param {Buffer} source The buffer to mask * @param {Buffer} mask The mask to use * @param {Buffer} output The buffer where to store the result * @param {Number} offset The offset at which to start writing * @param {Number} length The number of bytes to mask. * @public */ const mask = (source, mask, output, offset, length) => { for (var i = 0; i < length; i++) { output[offset + i] = source[i] ^ mask[i & 3]; } }; /** * Unmasks a buffer using the given mask. * * @param {Buffer} buffer The buffer to unmask * @param {Buffer} mask The mask to use * @public */ const unmask = (buffer, mask) => { // Required until https://github.com/nodejs/node/issues/9006 is resolved. const length = buffer.length; for (var i = 0; i < length; i++) { buffer[i] ^= mask[i & 3]; } }; module.exports = { mask, unmask };