32 lines
908 B
JavaScript
32 lines
908 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* global tv */
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const WEBCRYPTO_ALG_PROBE = "WEBCRYPTO_ALG";
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ChromeUtils.defineESModuleGetters(this, {
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TelemetryTestUtils: "resource://testing-common/TelemetryTestUtils.sys.mjs",
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});
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add_task(async function ecdh_key() {
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let hist = TelemetryTestUtils.getAndClearHistogram(WEBCRYPTO_ALG_PROBE);
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let alg = { name: "ECDH", namedCurve: "P-256" };
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let x = await crypto.subtle.generateKey(alg, false, [
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"deriveKey",
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"deriveBits",
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]);
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let data = await crypto.subtle.deriveBits(
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{ name: "ECDH", public: x.publicKey },
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x.privateKey,
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128
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);
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is(data.byteLength, 128 / 8, "Should be 16 bytes derived");
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TelemetryTestUtils.assertHistogram(hist, 20, 1);
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});
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