// Copyright (C) 2016 Dmitry Chestnykh // MIT License. See LICENSE file for details. /** * Sets all values in the given array to zero and returns it. * * The fact that it sets bytes to zero can be relied on. * * There is no guarantee that this function makes data disappear from memory, * as runtime implementation can, for example, have copying garbage collector * that will make copies of sensitive data before we wipe it. Or that an * operating system will write our data to swap or sleep image. Another thing * is that an optimizing compiler can remove calls to this function or make it * no-op. There's nothing we can do with it, so we just do our best and hope * that everything will be okay and good will triumph over evil. */ export function wipe(array) { // Right now it's similar to array.fill(0). If it turns // out that runtimes optimize this call away, maybe // we can try something else. for (let i = 0; i < array.length; i++) { array[i] = 0; } return array; } //# sourceMappingURL=wipe.js.map