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https://github.com/denoland/deno.git
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51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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"use strict";
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((window) => {
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const core = window.Deno.core;
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function getRandomValues(arrayBufferView) {
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if (!ArrayBuffer.isView(arrayBufferView)) {
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throw new TypeError(
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"Argument 1 does not implement interface ArrayBufferView",
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);
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}
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if (
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!(
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arrayBufferView instanceof Int8Array ||
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arrayBufferView instanceof Uint8Array ||
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arrayBufferView instanceof Int16Array ||
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arrayBufferView instanceof Uint16Array ||
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arrayBufferView instanceof Int32Array ||
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arrayBufferView instanceof Uint32Array ||
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arrayBufferView instanceof Uint8ClampedArray
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)
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) {
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throw new DOMException(
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"The provided ArrayBufferView is not an integer array type",
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"TypeMismatchError",
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);
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}
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if (arrayBufferView.byteLength > 65536) {
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throw new DOMException(
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`The ArrayBufferView's byte length (${arrayBufferView.byteLength}) exceeds the number of bytes of entropy available via this API (65536)`,
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"QuotaExceededError",
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);
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}
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const ui8 = new Uint8Array(
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arrayBufferView.buffer,
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arrayBufferView.byteOffset,
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arrayBufferView.byteLength,
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);
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core.jsonOpSync("op_crypto_get_random_values", {}, ui8);
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return arrayBufferView;
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}
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window.crypto = {
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getRandomValues,
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};
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window.__bootstrap = window.__bootstrap || {};
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window.__bootstrap.crypto = {
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getRandomValues,
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};
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})(this);
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