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/*
This file is part of TALER
(C) 2019 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
export * from "./index.js";
import { setPRNG } from './crypto/primitives/nacl-fast.js';
// export default API;
function cleanup(arr: Uint8Array): void {
for (let i = 0; i < arr.length; i++) arr[i] = 0;
}
// Initialize PRNG if environment provides CSPRNG.
// If not, methods calling randombytes will throw.
// @ts-ignore-error
const cr = typeof self !== "undefined" ? self.crypto || self.msCrypto : null;
const QUOTA = 65536;
setPRNG(function (x: Uint8Array, n: number) {
let i;
const v = new Uint8Array(n);
for (i = 0; i < n; i += QUOTA) {
cr.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
}
for (i = 0; i < n; i++) x[i] = v[i];
cleanup(v);
});
// function initPRNG() {
// // Initialize PRNG if environment provides CSPRNG.
// // If not, methods calling randombytes will throw.
// // @ts-ignore-error
// const cr = typeof self !== "undefined" ? self.crypto || self.msCrypto : null;
// if (cr && cr.getRandomValues) {
// // Browsers.
// const QUOTA = 65536;
// setPRNG(function (x: Uint8Array, n: number) {
// let i;
// const v = new Uint8Array(n);
// for (i = 0; i < n; i += QUOTA) {
// cr.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
// }
// for (i = 0; i < n; i++) x[i] = v[i];
// cleanup(v);
// });
// } else if (typeof require !== "undefined") {
// // Node.js.
// // eslint-disable-next-line @typescript-eslint/no-var-requires
// const cr = require("crypto");
// if (cr && cr.randomBytes) {
// setPRNG(function (x: Uint8Array, n: number) {
// const v = cr.randomBytes(n);
// for (let i = 0; i < n; i++) x[i] = v[i];
// cleanup(v);
// });
// }
// }
// }
// initPRNG();
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