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