Function test

test/parallel/test-webcrypto-derivebits.js:17–35

(namedCurve)

// Test ECDH bit derivation
{
  async function test(namedCurve) {
    const [alice, bob] = await Promise.all([
      subtle.generateKey({ name: 'ECDH', namedCurve }, true, ['deriveBits']),
      subtle.generateKey({ name: 'ECDH', namedCurve }, true, ['deriveBits']),
    ]);

    const [secret1, secret2] = await Promise.all([
      subtle.deriveBits({
        name: 'ECDH', namedCurve, public: alice.publicKey
      }, bob.privateKey, 128),
      subtle.deriveBits({
        name: 'ECDH', namedCurve, public: bob.publicKey
      }, alice.privateKey, 128),
    ]);

    assert(secret1 instanceof ArrayBuffer);
    assert(secret2 instanceof ArrayBuffer);
    assert.deepStrictEqual(secret1, secret2);
  }

  test('P-521').then(common.mustCall());
}