@azure/eventgrid/dist/browser/cryptoHelpers.js

An isomorphic client library for the Azure Event Grid service.

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
/// <reference lib="dom"/>
/**
 * @internal
 */
export async function sha256Hmac(secret, stringToSign) {
    const key = await globalThis.crypto.subtle.importKey("raw", Uint8Array.from(atob(secret), (c) => c.charCodeAt(0)), {
        name: "HMAC",
        hash: "SHA-256",
    }, false, ["sign"]);
    const sigArray = await globalThis.crypto.subtle.sign("HMAC", key, new TextEncoder().encode(stringToSign));
    // The conversions here are a bit odd but necessary (see "Unicode strings" in the link below)
    // https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/btoa
    return btoa(String.fromCharCode(...new Uint8Array(sigArray)));
}
//# sourceMappingURL=cryptoHelpers-browser.mjs.map