// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.

import {
  assert,
  assertEquals,
  assertNotEquals,
  assertRejects,
} from "./test_util.ts";

// https://github.com/denoland/deno/issues/11664
Deno.test(async function testImportArrayBufferKey() {
  const subtle = window.crypto.subtle;
  assert(subtle);

  // deno-fmt-ignore
  const key = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);

  const cryptoKey = await subtle.importKey(
    "raw",
    key.buffer,
    { name: "HMAC", hash: "SHA-1" },
    true,
    ["sign"],
  );
  assert(cryptoKey);

  // Test key usage
  await subtle.sign({ name: "HMAC" }, cryptoKey, new Uint8Array(8));
});

Deno.test(async function testSignVerify() {
  const subtle = window.crypto.subtle;
  assert(subtle);
  for (const algorithm of ["RSA-PSS", "RSASSA-PKCS1-v1_5"]) {
    for (
      const hash of [
        "SHA-1",
        "SHA-256",
        "SHA-384",
        "SHA-512",
      ]
    ) {
      const keyPair = await subtle.generateKey(
        {
          name: algorithm,
          modulusLength: 2048,
          publicExponent: new Uint8Array([1, 0, 1]),
          hash,
        },
        true,
        ["sign", "verify"],
      );

      const data = new Uint8Array([1, 2, 3]);

      const signAlgorithm = { name: algorithm, saltLength: 32 };

      const signature = await subtle.sign(
        signAlgorithm,
        keyPair.privateKey,
        data,
      );

      assert(signature);
      assert(signature.byteLength > 0);
      assert(signature.byteLength % 8 == 0);
      assert(signature instanceof ArrayBuffer);

      const verified = await subtle.verify(
        signAlgorithm,
        keyPair.publicKey,
        signature,
        data,
      );
      assert(verified);
    }
  }
});

// deno-fmt-ignore
const plainText = new Uint8Array([95, 77, 186, 79, 50, 12, 12, 232, 118, 114, 90, 252, 229, 251, 210, 91, 248, 62, 90, 113, 37, 160, 140, 175, 231, 60, 62, 186, 196, 33, 119, 157, 249, 213, 93, 24, 12, 58, 233, 148, 38, 69, 225, 216, 47, 238, 140, 157, 41, 75, 60, 177, 160, 138, 153, 49, 32, 27, 60, 14, 129, 252, 71, 202, 207, 131, 21, 162, 175, 102, 50, 65, 19, 195, 182, 98, 48, 195, 70, 8, 196, 244, 89, 54, 52, 206, 2, 178, 103, 54, 34, 119, 240, 168, 64, 202, 116, 188, 61, 26, 98, 54, 149, 44, 94, 215, 170, 248, 168, 254, 203, 221, 250, 117, 132, 230, 151, 140, 234, 93, 42, 91, 159, 183, 241, 180, 140, 139, 11, 229, 138, 48, 82, 2, 117, 77, 131, 118, 16, 115, 116, 121, 60, 240, 38, 170, 238, 83, 0, 114, 125, 131, 108, 215, 30, 113, 179, 69, 221, 178, 228, 68, 70, 255, 197, 185, 1, 99, 84, 19, 137, 13, 145, 14, 163, 128, 152, 74, 144, 25, 16, 49, 50, 63, 22, 219, 204, 157, 107, 225, 104, 184, 72, 133, 56, 76, 160, 62, 18, 96, 10, 193, 194, 72, 2, 138, 243, 114, 108, 201, 52, 99, 136, 46, 168, 192, 42, 171]);

// Passing
const hashPlainTextVector = [
  {
    hash: "SHA-1",
    plainText: plainText.slice(0, 214),
  },
  {
    hash: "SHA-256",
    plainText: plainText.slice(0, 190),
  },
  {
    hash: "SHA-384",
    plainText: plainText.slice(0, 158),
  },
  {
    hash: "SHA-512",
    plainText: plainText.slice(0, 126),
  },
];

Deno.test(async function testEncryptDecrypt() {
  const subtle = window.crypto.subtle;
  assert(subtle);
  for (
    const { hash, plainText } of hashPlainTextVector
  ) {
    const keyPair = await subtle.generateKey(
      {
        name: "RSA-OAEP",
        modulusLength: 2048,
        publicExponent: new Uint8Array([1, 0, 1]),
        hash,
      },
      true,
      ["encrypt", "decrypt"],
    );

    const encryptAlgorithm = { name: "RSA-OAEP" };
    const cipherText = await subtle.encrypt(
      encryptAlgorithm,
      keyPair.publicKey,
      plainText,
    );

    assert(cipherText);
    assert(cipherText.byteLength > 0);
    assertEquals(cipherText.byteLength * 8, 2048);
    assert(cipherText instanceof ArrayBuffer);

    const decrypted = await subtle.decrypt(
      encryptAlgorithm,
      keyPair.privateKey,
      cipherText,
    );
    assert(decrypted);
    assert(decrypted instanceof ArrayBuffer);
    assertEquals(new Uint8Array(decrypted), plainText);

    const badPlainText = new Uint8Array(plainText.byteLength + 1);
    badPlainText.set(plainText, 0);
    badPlainText.set(new Uint8Array([32]), plainText.byteLength);
    await assertRejects(async () => {
      // Should fail
      await subtle.encrypt(
        encryptAlgorithm,
        keyPair.publicKey,
        badPlainText,
      );
      throw new TypeError("unreachable");
    }, DOMException);
  }
});

Deno.test(async function testGenerateRSAKey() {
  const subtle = window.crypto.subtle;
  assert(subtle);

  const keyPair = await subtle.generateKey(
    {
      name: "RSA-PSS",
      modulusLength: 2048,
      publicExponent: new Uint8Array([1, 0, 1]),
      hash: "SHA-256",
    },
    true,
    ["sign", "verify"],
  );

  assert(keyPair.privateKey);
  assert(keyPair.publicKey);
  assertEquals(keyPair.privateKey.extractable, true);
  assert(keyPair.privateKey.usages.includes("sign"));
});

Deno.test(async function testGenerateHMACKey() {
  const key = await window.crypto.subtle.generateKey(
    {
      name: "HMAC",
      hash: "SHA-512",
    },
    true,
    ["sign", "verify"],
  );

  assert(key);
  assertEquals(key.extractable, true);
  assert(key.usages.includes("sign"));
});

Deno.test(async function testECDSASignVerify() {
  const key = await window.crypto.subtle.generateKey(
    {
      name: "ECDSA",
      namedCurve: "P-384",
    },
    true,
    ["sign", "verify"],
  );

  const encoder = new TextEncoder();
  const encoded = encoder.encode("Hello, World!");
  const signature = await window.crypto.subtle.sign(
    { name: "ECDSA", hash: "SHA-384" },
    key.privateKey,
    encoded,
  );

  assert(signature);
  assert(signature instanceof ArrayBuffer);

  const verified = await window.crypto.subtle.verify(
    { hash: { name: "SHA-384" }, name: "ECDSA" },
    key.publicKey,
    signature,
    encoded,
  );
  assert(verified);
});

// Tests the "bad paths" as a temporary replacement for sign_verify/ecdsa WPT.
Deno.test(async function testECDSASignVerifyFail() {
  const key = await window.crypto.subtle.generateKey(
    {
      name: "ECDSA",
      namedCurve: "P-384",
    },
    true,
    ["sign", "verify"],
  );

  const encoded = new Uint8Array([1]);
  // Signing with a public key (InvalidAccessError)
  await assertRejects(async () => {
    await window.crypto.subtle.sign(
      { name: "ECDSA", hash: "SHA-384" },
      key.publicKey,
      new Uint8Array([1]),
    );
    throw new TypeError("unreachable");
  }, DOMException);

  // Do a valid sign for later verifying.
  const signature = await window.crypto.subtle.sign(
    { name: "ECDSA", hash: "SHA-384" },
    key.privateKey,
    encoded,
  );

  // Verifying with a private key (InvalidAccessError)
  await assertRejects(async () => {
    await window.crypto.subtle.verify(
      { hash: { name: "SHA-384" }, name: "ECDSA" },
      key.privateKey,
      signature,
      encoded,
    );
    throw new TypeError("unreachable");
  }, DOMException);
});

// https://github.com/denoland/deno/issues/11313
Deno.test(async function testSignRSASSAKey() {
  const subtle = window.crypto.subtle;
  assert(subtle);

  const keyPair = await subtle.generateKey(
    {
      name: "RSASSA-PKCS1-v1_5",
      modulusLength: 2048,
      publicExponent: new Uint8Array([1, 0, 1]),
      hash: "SHA-256",
    },
    true,
    ["sign", "verify"],
  );

  assert(keyPair.privateKey);
  assert(keyPair.publicKey);
  assertEquals(keyPair.privateKey.extractable, true);
  assert(keyPair.privateKey.usages.includes("sign"));

  const encoder = new TextEncoder();
  const encoded = encoder.encode("Hello, World!");

  const signature = await window.crypto.subtle.sign(
    { name: "RSASSA-PKCS1-v1_5" },
    keyPair.privateKey,
    encoded,
  );

  assert(signature);
});

// deno-fmt-ignore
const rawKey = new Uint8Array([
  1, 2, 3, 4, 5, 6, 7, 8,
  9, 10, 11, 12, 13, 14, 15, 16
]);

const jwk: JsonWebKey = {
  kty: "oct",
  // unpadded base64 for rawKey.
  k: "AQIDBAUGBwgJCgsMDQ4PEA",
  alg: "HS256",
  ext: true,
  "key_ops": ["sign"],
};

Deno.test(async function subtleCryptoHmacImportExport() {
  const key1 = await crypto.subtle.importKey(
    "raw",
    rawKey,
    { name: "HMAC", hash: "SHA-256" },
    true,
    ["sign"],
  );
  const key2 = await crypto.subtle.importKey(
    "jwk",
    jwk,
    { name: "HMAC", hash: "SHA-256" },
    true,
    ["sign"],
  );
  const actual1 = await crypto.subtle.sign(
    { name: "HMAC" },
    key1,
    new Uint8Array([1, 2, 3, 4]),
  );

  const actual2 = await crypto.subtle.sign(
    { name: "HMAC" },
    key2,
    new Uint8Array([1, 2, 3, 4]),
  );
  // deno-fmt-ignore
  const expected = new Uint8Array([
    59, 170, 255, 216, 51, 141, 51, 194,
    213, 48, 41, 191, 184, 40, 216, 47,
    130, 165, 203, 26, 163, 43, 38, 71,
    23, 122, 222, 1, 146, 46, 182, 87,
  ]);
  assertEquals(
    new Uint8Array(actual1),
    expected,
  );
  assertEquals(
    new Uint8Array(actual2),
    expected,
  );

  const exportedKey1 = await crypto.subtle.exportKey("raw", key1);
  assertEquals(new Uint8Array(exportedKey1), rawKey);

  const exportedKey2 = await crypto.subtle.exportKey("jwk", key2);
  assertEquals(exportedKey2, jwk);
});

// https://github.com/denoland/deno/issues/12085
Deno.test(async function generateImportHmacJwk() {
  const key = await crypto.subtle.generateKey(
    {
      name: "HMAC",
      hash: "SHA-512",
    },
    true,
    ["sign"],
  );
  assert(key);
  assertEquals(key.type, "secret");
  assertEquals(key.extractable, true);
  assertEquals(key.usages, ["sign"]);

  const exportedKey = await crypto.subtle.exportKey("jwk", key);
  assertEquals(exportedKey.kty, "oct");
  assertEquals(exportedKey.alg, "HS512");
  assertEquals(exportedKey.key_ops, ["sign"]);
  assertEquals(exportedKey.ext, true);
  assert(typeof exportedKey.k == "string");
  assertEquals(exportedKey.k.length, 171);
});

// 2048-bits publicExponent=65537
const pkcs8TestVectors = [
  // rsaEncryption
  { pem: "cli/tests/testdata/webcrypto/id_rsaEncryption.pem", hash: "SHA-256" },
];

Deno.test({ permissions: { read: true } }, async function importRsaPkcs8() {
  const pemHeader = "-----BEGIN PRIVATE KEY-----";
  const pemFooter = "-----END PRIVATE KEY-----";
  for (const { pem, hash } of pkcs8TestVectors) {
    const keyFile = await Deno.readTextFile(pem);
    const pemContents = keyFile.substring(
      pemHeader.length,
      keyFile.length - pemFooter.length,
    );
    const binaryDerString = atob(pemContents);
    const binaryDer = new Uint8Array(binaryDerString.length);
    for (let i = 0; i < binaryDerString.length; i++) {
      binaryDer[i] = binaryDerString.charCodeAt(i);
    }

    const key = await crypto.subtle.importKey(
      "pkcs8",
      binaryDer,
      { name: "RSA-PSS", hash },
      true,
      ["sign"],
    );

    assert(key);
    assertEquals(key.type, "private");
    assertEquals(key.extractable, true);
    assertEquals(key.usages, ["sign"]);
    const algorithm = key.algorithm as RsaHashedKeyAlgorithm;
    assertEquals(algorithm.name, "RSA-PSS");
    assertEquals(algorithm.hash.name, hash);
    assertEquals(algorithm.modulusLength, 2048);
    assertEquals(algorithm.publicExponent, new Uint8Array([1, 0, 1]));
  }
});

const nonInteroperableVectors = [
  // id-RSASSA-PSS (sha256)
  // `openssl genpkey -algorithm rsa-pss -pkeyopt rsa_pss_keygen_md:sha256 -out id_rsassaPss.pem`
  { pem: "cli/tests/testdata/webcrypto/id_rsassaPss.pem", hash: "SHA-256" },
  // id-RSASSA-PSS (default parameters)
  // `openssl genpkey -algorithm rsa-pss -out id_rsassaPss.pem`
  {
    pem: "cli/tests/testdata/webcrypto/id_rsassaPss_default.pem",
    hash: "SHA-1",
  },
  // id-RSASSA-PSS (default hash)
  // `openssl genpkey -algorithm rsa-pss -pkeyopt rsa_pss_keygen_saltlen:30 -out rsaPss_saltLen_30.pem`
  {
    pem: "cli/tests/testdata/webcrypto/id_rsassaPss_saltLen_30.pem",
    hash: "SHA-1",
  },
];

Deno.test(
  { permissions: { read: true } },
  async function importNonInteroperableRsaPkcs8() {
    const pemHeader = "-----BEGIN PRIVATE KEY-----";
    const pemFooter = "-----END PRIVATE KEY-----";
    for (const { pem, hash } of nonInteroperableVectors) {
      const keyFile = await Deno.readTextFile(pem);
      const pemContents = keyFile.substring(
        pemHeader.length,
        keyFile.length - pemFooter.length,
      );
      const binaryDerString = atob(pemContents);
      const binaryDer = new Uint8Array(binaryDerString.length);
      for (let i = 0; i < binaryDerString.length; i++) {
        binaryDer[i] = binaryDerString.charCodeAt(i);
      }

      await assertRejects(
        () =>
          crypto.subtle.importKey(
            "pkcs8",
            binaryDer,
            { name: "RSA-PSS", hash },
            true,
            ["sign"],
          ),
        DOMException,
        "unsupported algorithm",
      );
    }
  },
);

// deno-fmt-ignore
const asn1AlgorithmIdentifier = new Uint8Array([
  0x02, 0x01, 0x00, // INTEGER
  0x30, 0x0d, // SEQUENCE (2 elements)
  0x06, 0x09, // OBJECT IDENTIFIER
  0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, // 1.2.840.113549.1.1.1 (rsaEncryption)
  0x05, 0x00, // NULL
]);

Deno.test(async function rsaExport() {
  for (const algorithm of ["RSASSA-PKCS1-v1_5", "RSA-PSS", "RSA-OAEP"]) {
    const keyPair = await crypto.subtle.generateKey(
      {
        name: algorithm,
        modulusLength: 2048,
        publicExponent: new Uint8Array([1, 0, 1]),
        hash: "SHA-256",
      },
      true,
      algorithm !== "RSA-OAEP" ? ["sign", "verify"] : ["encrypt", "decrypt"],
    );

    assert(keyPair.privateKey);
    assert(keyPair.publicKey);
    assertEquals(keyPair.privateKey.extractable, true);

    const exportedPrivateKey = await crypto.subtle.exportKey(
      "pkcs8",
      keyPair.privateKey,
    );

    assert(exportedPrivateKey);
    assert(exportedPrivateKey instanceof ArrayBuffer);

    const pkcs8 = new Uint8Array(exportedPrivateKey);
    assert(pkcs8.length > 0);

    assertEquals(
      pkcs8.slice(4, asn1AlgorithmIdentifier.byteLength + 4),
      asn1AlgorithmIdentifier,
    );

    const exportedPublicKey = await crypto.subtle.exportKey(
      "spki",
      keyPair.publicKey,
    );

    const spki = new Uint8Array(exportedPublicKey);
    assert(spki.length > 0);

    assertEquals(
      spki.slice(4, asn1AlgorithmIdentifier.byteLength + 1),
      asn1AlgorithmIdentifier.slice(3),
    );
  }
});

Deno.test(async function testHkdfDeriveBits() {
  const rawKey = crypto.getRandomValues(new Uint8Array(16));
  const key = await crypto.subtle.importKey(
    "raw",
    rawKey,
    { name: "HKDF", hash: "SHA-256" },
    false,
    ["deriveBits"],
  );
  const salt = crypto.getRandomValues(new Uint8Array(16));
  const info = crypto.getRandomValues(new Uint8Array(16));
  const result = await crypto.subtle.deriveBits(
    {
      name: "HKDF",
      hash: "SHA-256",
      salt: salt,
      info: info,
    },
    key,
    128,
  );
  assertEquals(result.byteLength, 128 / 8);
});

Deno.test(async function testHkdfDeriveBitsWithLargeKeySize() {
  const key = await crypto.subtle.importKey(
    "raw",
    new Uint8Array([0x00]),
    "HKDF",
    false,
    ["deriveBits"],
  );
  await assertRejects(
    () =>
      crypto.subtle.deriveBits(
        {
          name: "HKDF",
          hash: "SHA-1",
          salt: new Uint8Array(),
          info: new Uint8Array(),
        },
        key,
        ((20 * 255) << 3) + 8,
      ),
    DOMException,
    "The length provided for HKDF is too large",
  );
});

Deno.test(async function testEcdhDeriveBitsWithShorterLength() {
  const keypair = await crypto.subtle.generateKey(
    {
      name: "ECDH",
      namedCurve: "P-384",
    },
    true,
    ["deriveBits", "deriveKey"],
  );
  const result = await crypto.subtle.deriveBits(
    {
      name: "ECDH",
      public: keypair.publicKey,
    },
    keypair.privateKey,
    256,
  );
  assertEquals(result.byteLength * 8, 256);
});

Deno.test(async function testEcdhDeriveBitsWithLongerLength() {
  const keypair = await crypto.subtle.generateKey(
    {
      name: "ECDH",
      namedCurve: "P-384",
    },
    true,
    ["deriveBits", "deriveKey"],
  );
  await assertRejects(
    () =>
      crypto.subtle.deriveBits(
        {
          name: "ECDH",
          public: keypair.publicKey,
        },
        keypair.privateKey,
        512,
      ),
    DOMException,
    "Invalid length",
  );
});

Deno.test(async function testEcdhDeriveBitsWithNullLength() {
  const keypair = await crypto.subtle.generateKey(
    {
      name: "ECDH",
      namedCurve: "P-384",
    },
    true,
    ["deriveBits", "deriveKey"],
  );
  const result = await crypto.subtle.deriveBits(
    {
      name: "ECDH",
      public: keypair.publicKey,
    },
    keypair.privateKey,
    // @ts-ignore: necessary until .d.ts file allows passing null (see https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1416)
    null,
  );
  assertEquals(result.byteLength * 8, 384);
});

Deno.test(async function testDeriveKey() {
  // Test deriveKey
  const rawKey = crypto.getRandomValues(new Uint8Array(16));
  const key = await crypto.subtle.importKey(
    "raw",
    rawKey,
    "PBKDF2",
    false,
    ["deriveKey", "deriveBits"],
  );

  const salt = crypto.getRandomValues(new Uint8Array(16));
  const derivedKey = await crypto.subtle.deriveKey(
    {
      name: "PBKDF2",
      salt,
      iterations: 1000,
      hash: "SHA-256",
    },
    key,
    { name: "HMAC", hash: "SHA-256" },
    true,
    ["sign"],
  );

  assert(derivedKey instanceof CryptoKey);
  assertEquals(derivedKey.type, "secret");
  assertEquals(derivedKey.extractable, true);
  assertEquals(derivedKey.usages, ["sign"]);

  const algorithm = derivedKey.algorithm as HmacKeyAlgorithm;
  assertEquals(algorithm.name, "HMAC");
  assertEquals(algorithm.hash.name, "SHA-256");
  assertEquals(algorithm.length, 512);
});

Deno.test(async function testAesCbcEncryptDecrypt() {
  const key = await crypto.subtle.generateKey(
    { name: "AES-CBC", length: 128 },
    true,
    ["encrypt", "decrypt"],
  );

  const iv = crypto.getRandomValues(new Uint8Array(16));
  const encrypted = await crypto.subtle.encrypt(
    {
      name: "AES-CBC",
      iv,
    },
    key as CryptoKey,
    new Uint8Array([1, 2, 3, 4, 5, 6]),
  );

  assert(encrypted instanceof ArrayBuffer);
  assertEquals(encrypted.byteLength, 16);

  const decrypted = await crypto.subtle.decrypt(
    {
      name: "AES-CBC",
      iv,
    },
    key as CryptoKey,
    encrypted,
  );

  assert(decrypted instanceof ArrayBuffer);
  assertEquals(decrypted.byteLength, 6);
  assertEquals(new Uint8Array(decrypted), new Uint8Array([1, 2, 3, 4, 5, 6]));
});

Deno.test(async function testAesCtrEncryptDecrypt() {
  async function aesCtrRoundTrip(
    key: CryptoKey,
    counter: Uint8Array,
    length: number,
    plainText: Uint8Array,
  ) {
    const cipherText = await crypto.subtle.encrypt(
      {
        name: "AES-CTR",
        counter,
        length,
      },
      key,
      plainText,
    );

    assert(cipherText instanceof ArrayBuffer);
    assertEquals(cipherText.byteLength, plainText.byteLength);
    assertNotEquals(new Uint8Array(cipherText), plainText);

    const decryptedText = await crypto.subtle.decrypt(
      {
        name: "AES-CTR",
        counter,
        length,
      },
      key,
      cipherText,
    );

    assert(decryptedText instanceof ArrayBuffer);
    assertEquals(decryptedText.byteLength, plainText.byteLength);
    assertEquals(new Uint8Array(decryptedText), plainText);
  }
  for (const keySize of [128, 192, 256]) {
    const key = await crypto.subtle.generateKey(
      { name: "AES-CTR", length: keySize },
      true,
      ["encrypt", "decrypt"],
    ) as CryptoKey;

    // test normal operation
    for (const length of [128 /*, 64, 128 */]) {
      const counter = crypto.getRandomValues(new Uint8Array(16));

      await aesCtrRoundTrip(
        key,
        counter,
        length,
        new Uint8Array([1, 2, 3, 4, 5, 6]),
      );
    }

    // test counter-wrapping
    for (const length of [32, 64, 128]) {
      const plaintext1 = crypto.getRandomValues(new Uint8Array(32));
      const counter = new Uint8Array(16);

      // fixed upper part
      for (let off = 0; off < 16 - (length / 8); ++off) {
        counter[off] = off;
      }
      const ciphertext1 = await crypto.subtle.encrypt(
        {
          name: "AES-CTR",
          counter,
          length,
        },
        key,
        plaintext1,
      );

      // Set lower [length] counter bits to all '1's
      for (let off = 16 - (length / 8); off < 16; ++off) {
        counter[off] = 0xff;
      }

      // = [ 1 block of 0x00 + plaintext1 ]
      const plaintext2 = new Uint8Array(48);
      plaintext2.set(plaintext1, 16);

      const ciphertext2 = await crypto.subtle.encrypt(
        {
          name: "AES-CTR",
          counter,
          length,
        },
        key,
        plaintext2,
      );

      // If counter wrapped, 2nd block of ciphertext2 should be equal to 1st block of ciphertext1
      // since ciphertext1 used counter = 0x00...00
      // and ciphertext2 used counter = 0xFF..FF which should wrap to 0x00..00 without affecting
      // higher bits
      assertEquals(
        new Uint8Array(ciphertext1),
        new Uint8Array(ciphertext2).slice(16),
      );
    }
  }
});

Deno.test(async function testECDH() {
  for (const keySize of [256, 384]) {
    const keyPair = await crypto.subtle.generateKey(
      {
        name: "ECDH",
        namedCurve: "P-" + keySize,
      },
      true,
      ["deriveBits"],
    );

    const derivedKey = await crypto.subtle.deriveBits(
      {
        name: "ECDH",
        public: keyPair.publicKey,
      },
      keyPair.privateKey,
      keySize,
    );

    assert(derivedKey instanceof ArrayBuffer);
    assertEquals(derivedKey.byteLength, keySize / 8);
  }
});

Deno.test(async function testWrapKey() {
  // Test wrapKey
  const key = await crypto.subtle.generateKey(
    {
      name: "RSA-OAEP",
      modulusLength: 4096,
      publicExponent: new Uint8Array([1, 0, 1]),
      hash: "SHA-256",
    },
    true,
    ["wrapKey", "unwrapKey"],
  );

  const hmacKey = await crypto.subtle.generateKey(
    {
      name: "HMAC",
      hash: "SHA-256",
      length: 128,
    },
    true,
    ["sign"],
  );

  const wrappedKey = await crypto.subtle.wrapKey(
    "raw",
    hmacKey,
    key.publicKey,
    {
      name: "RSA-OAEP",
      label: new Uint8Array(8),
    },
  );

  assert(wrappedKey instanceof ArrayBuffer);
  assertEquals(wrappedKey.byteLength, 512);
});

// Doesn't need to cover all cases.
// Only for testing types.
Deno.test(async function testAesKeyGen() {
  const key = await crypto.subtle.generateKey(
    {
      name: "AES-GCM",
      length: 256,
    },
    true,
    ["encrypt", "decrypt"],
  );

  assert(key);
  assertEquals(key.type, "secret");
  assertEquals(key.extractable, true);
  assertEquals(key.usages, ["encrypt", "decrypt"]);
  const algorithm = key.algorithm as AesKeyAlgorithm;
  assertEquals(algorithm.name, "AES-GCM");
  assertEquals(algorithm.length, 256);
});

Deno.test(async function testUnwrapKey() {
  const subtle = crypto.subtle;

  const AES_KEY: AesKeyAlgorithm & AesCbcParams = {
    name: "AES-CBC",
    length: 128,
    iv: new Uint8Array(16),
  };

  const RSA_KEY: RsaHashedKeyGenParams & RsaOaepParams = {
    name: "RSA-OAEP",
    modulusLength: 2048,
    publicExponent: new Uint8Array([1, 0, 1]),
    hash: "SHA-1",
  };

  const aesKey = await subtle.generateKey(AES_KEY, true, [
    "encrypt",
    "decrypt",
  ]);

  const rsaKeyPair = await subtle.generateKey(
    {
      name: "RSA-OAEP",
      hash: "SHA-1",
      publicExponent: new Uint8Array([1, 0, 1]),
      modulusLength: 2048,
    },
    false,
    ["wrapKey", "encrypt", "unwrapKey", "decrypt"],
  );

  const enc = await subtle.wrapKey(
    "raw",
    aesKey,
    rsaKeyPair.publicKey,
    RSA_KEY,
  );
  const unwrappedKey = await subtle.unwrapKey(
    "raw",
    enc,
    rsaKeyPair.privateKey,
    RSA_KEY,
    AES_KEY,
    false,
    ["encrypt", "decrypt"],
  );

  assert(unwrappedKey instanceof CryptoKey);
  assertEquals(unwrappedKey.type, "secret");
  assertEquals(unwrappedKey.extractable, false);
  assertEquals(unwrappedKey.usages, ["encrypt", "decrypt"]);
});

Deno.test(async function testDecryptWithInvalidIntializationVector() {
  // deno-fmt-ignore
  const data = new Uint8Array([42,42,42,42,42,42,42,42,42,42,42,42,42,42,42]);
  const key = await crypto.subtle.importKey(
    "raw",
    new Uint8Array(16),
    { name: "AES-CBC", length: 256 },
    true,
    ["encrypt", "decrypt"],
  );
  // deno-fmt-ignore
  const initVector = new Uint8Array([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]);
  const encrypted = await crypto.subtle.encrypt(
    { name: "AES-CBC", iv: initVector },
    key,
    data,
  );
  // deno-fmt-ignore
  const initVector2 = new Uint8Array([15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]);
  await assertRejects(async () => {
    await crypto.subtle.decrypt(
      { name: "AES-CBC", iv: initVector2 },
      key,
      encrypted,
    );
  }, DOMException);
});

const jwtRSAKeys = {
  "1024": {
    size: 1024,
    publicJWK: {
      kty: "RSA",
      n: "zZn4sRGfjQos56yL_Qy1R9NI-THMnFynn94g5RxA6wGrJh4BJT3x6I9x0IbpS3q-d4ORA6R2vuDMh8dDFRr9RDH6XY-gUScc9U5Jz3UA2KmVfsCbnUPvcAmMV_ENA7_TF0ivVjuIFodyDTx7EKHNVTrHHSlrbt7spbmcivs23Zc",
      e: "AQAB",
    },
    privateJWK: {
      kty: "RSA",
      n: "zZn4sRGfjQos56yL_Qy1R9NI-THMnFynn94g5RxA6wGrJh4BJT3x6I9x0IbpS3q-d4ORA6R2vuDMh8dDFRr9RDH6XY-gUScc9U5Jz3UA2KmVfsCbnUPvcAmMV_ENA7_TF0ivVjuIFodyDTx7EKHNVTrHHSlrbt7spbmcivs23Zc",
      e: "AQAB",
      d: "YqIK_GdH85F-GWZdgfgmv15NE78gOaL5h2g4v7DeM9-JC7A5PHSLKNYn87HFGcC4vv0PBIBRtyCA_mJJfEaGWORVCOXSBpWNepMYpio52n3w5uj5UZEsBnbtZc0EtWhVF2Auqa7VbiKrWcQUEgEI8V0gE5D4tyBg8GXv9975dQE",
      p: "9BrAg5L1zfqGPuWJDuDCBX-TmtZdrOI3Ys4ZaN-yMPlTjwWSEPO0qnfjEZcw2VgXHgJJmbVco6TxckJCmEYqeQ",
      q: "157jDJ1Ya5nmQvTPbhKAPAeMWogxCyaQTkBrp30pEKd6mGSB385hqr4BIk8s3f7MdXpM-USpaZgUoT4o_2VEjw",
      dp:
        "qdd_QUzcaB-6jkKo1Ug-1xKIAgDLFsIjJUUfWt_iHL8ti2Kl2dOnTcCypgebPm5TT1bqHN-agGYAdK5zpX2UiQ",
      dq:
        "hNRfwOSplNfhLvxLUN7a2qA3yYm-1MSz_1DWQP7srlLORlUcYPht2FZmsnEeDcAqynBGPQUcbG2Av_hgHz2OZw",
      qi:
        "zbpJQAhinrxSbVKxBQ2EZGFUD2e3WCXbAJRYpk8HVQ5AA52OhKTicOye2hEHnrgpFKzC8iznTsCG3FMkvwcj4Q",
    },
  },

  "2048": {
    size: 2048,
    publicJWK: {
      kty: "RSA",
      // unpadded base64 for rawKey.
      n: "09eVwAhT9SPBxdEN-74BBeEANGaVGwqH-YglIc4VV7jfhR2by5ivzVq8NCeQ1_ACDIlTDY8CTMQ5E1c1SEXmo_T7q84XUGXf8U9mx6uRg46sV7fF-hkwJR80BFVsvWxp4ahPlVJYj__94ft7rIVvchb5tyalOjrYFCJoFnSgq-i3ZjU06csI9XnO5klINucD_Qq0vUhO23_Add2HSYoRjab8YiJJR_Eths7Pq6HHd2RSXmwYp5foRnwe0_U75XmesHWDJlJUHYbwCZo0kP9G8g4QbucwU-MSNBkZOO2x2ZtZNexpHd0ThkATbnNlpVG_z2AGNORp_Ve3rlXwrGIXXw",
      e: "AQAB",
    },
    privateJWK: {
      kty: "RSA",
      // unpadded base64 for rawKey.
      n: "09eVwAhT9SPBxdEN-74BBeEANGaVGwqH-YglIc4VV7jfhR2by5ivzVq8NCeQ1_ACDIlTDY8CTMQ5E1c1SEXmo_T7q84XUGXf8U9mx6uRg46sV7fF-hkwJR80BFVsvWxp4ahPlVJYj__94ft7rIVvchb5tyalOjrYFCJoFnSgq-i3ZjU06csI9XnO5klINucD_Qq0vUhO23_Add2HSYoRjab8YiJJR_Eths7Pq6HHd2RSXmwYp5foRnwe0_U75XmesHWDJlJUHYbwCZo0kP9G8g4QbucwU-MSNBkZOO2x2ZtZNexpHd0ThkATbnNlpVG_z2AGNORp_Ve3rlXwrGIXXw",
      e: "AQAB",
      d: "H4xboN2co0VP9kXL71G8lUOM5EDis8Q9u8uqu_4U75t4rjpamVeD1vFMVfgOehokM_m_hKVnkkcmuNqj9L90ObaiRFPM5QxG7YkFpXbHlPAKeoXD1hsqMF0VQg_2wb8DhberInHA_rEA_kaVhHvavQLu7Xez45gf1d_J4I4931vjlCB6cupbLL0H5hHsxbMsX_5nnmAJdL_U3gD-U7ZdQheUPhDBJR2KeGzvnTm3KVKpOnwn-1Cd45MU4-KDdP0FcBVEuBsSrsQHliTaciBgkbyj__BangPj3edDxTkb-fKkEvhkXRjAoJs1ixt8nfSGDce9cM_GqAX9XGb4s2QkAQ",
      dp:
        "mM82RBwzGzi9LAqjGbi-badLtHRRBoH9sfMrJuOtzxRnmwBFccg_lwy-qAhUTqnN9kvD0H1FzXWzoFPFJbyi-AOmumYGpWm_PvzQGldne5CPJ02pYaeg-t1BePsT3OpIq0Am8E2Kjf9polpRJwIjO7Kx8UJKkhg5bISnsy0V8wE",
      dq:
        "ZlM4AvrWIpXwqsH_5Q-6BsLJdbnN_GypFCXoT9VXniXncSBZIWCkgDndBdWkSzyzIN65NiMRBfZaf9yduTFj4kvOPwb3ch3J0OxGJk0Ary4OGSlS1zNwMl93ALGal1FzpWUuiia9L9RraGqXAUr13L7TIIMRobRjpAV-z7M-ruM",
      p: "7VwGt_tJcAFQHrmDw5dM1EBru6fidM45NDv6VVOEbxKuD5Sh2EfAHfm5c6oouA1gZqwvKH0sn_XpB1NsyYyHEQd3sBVdK0zRjTo-E9mRP-1s-LMd5YDXVq6HE339nxpXsmO25slQEF6zBrj1bSNNXBFc7fgDnlq-HIeleMvsY_E",
      q: "5HqMHLzb4IgXhUl4pLz7E4kjY8PH2YGzaQfK805zJMbOXzmlZK0hizKo34Qqd2nB9xos7QgzOYQrNfSWheARwVsSQzAE0vGvw3zHIPP_lTtChBlCTPctQcURjw4dXcnK1oQ-IT321FNOW3EO-YTsyGcypJqJujlZrLbxYjOjQE8",
      qi:
        "OQXzi9gypDnpdHatIi0FaUGP8LSzfVH0AUugURJXs4BTJpvA9y4hcpBQLrcl7H_vq6kbGmvC49V-9I5HNVX_AuxGIXKuLZr5WOxPq8gLTqHV7X5ZJDtWIP_nq2NNgCQQyNNRrxebiWlwGK9GnX_unewT6jopI_oFhwp0Q13rBR0",
    },
  },
  "4096": {
    size: 4096,
    publicJWK: {
      kty: "RSA",
      n: "2qr2TL2c2JmbsN0OLIRnaAB_ZKb1-Gh9H0qb4lrBuDaqkW_eFPwT-JIsvnNJvDT7BLJ57tTMIj56ZMtv6efSSTWSk9MOoW2J1K_iEretZ2cegB_aRX7qQVjnoFsz9U02BKfAIUT0o_K7b9G08d1rrAUohi_SVQhwObodg7BddMbKUmz70QNIS487LN44WUVnn9OgE9atTYUARNukT0DuQb3J-K20ksTuVujXbSelohDmLobqlGoi5sY_548Qs9BtFmQ2nGuEHNB2zdlZ5EvEqbUFVZ2QboG6jXdoos6qcwdgUvAhj1Hz10Ngic_RFqL7bNDoIOzNp66hdA35uxbwuaygZ16ikxoPj7eTYud1hrkyQCgeGw2YhCiKIE6eos_U5dL7WHRD5aSkkzsgXtnF8pVmStsuf0QcdAoC-eeCex0tSTgRw9AtGTz8Yr1tGQD9l_580zAXnE6jmrwRRQ68EEA7vohGov3tnG8pGyg_zcxeADLtPlfTc1tEwmh3SGrioDClioYCipm1JvkweEgP9eMPpEC8SgRU1VNDSVe1SF4uNsH8vA7PHFKfg6juqJEc5ht-l10FYER-Qq6bZXsU2oNcfE5SLDeLTWmxiHmxK00M8ABMFIV5gUkPoMiWcl87O6XwzA2chsIERp7Vb-Vn2O-EELiXzv7lPhc6fTGQ0Nc",
      e: "AQAB",
    },
    privateJWK: {
      kty: "RSA",
      n: "2qr2TL2c2JmbsN0OLIRnaAB_ZKb1-Gh9H0qb4lrBuDaqkW_eFPwT-JIsvnNJvDT7BLJ57tTMIj56ZMtv6efSSTWSk9MOoW2J1K_iEretZ2cegB_aRX7qQVjnoFsz9U02BKfAIUT0o_K7b9G08d1rrAUohi_SVQhwObodg7BddMbKUmz70QNIS487LN44WUVnn9OgE9atTYUARNukT0DuQb3J-K20ksTuVujXbSelohDmLobqlGoi5sY_548Qs9BtFmQ2nGuEHNB2zdlZ5EvEqbUFVZ2QboG6jXdoos6qcwdgUvAhj1Hz10Ngic_RFqL7bNDoIOzNp66hdA35uxbwuaygZ16ikxoPj7eTYud1hrkyQCgeGw2YhCiKIE6eos_U5dL7WHRD5aSkkzsgXtnF8pVmStsuf0QcdAoC-eeCex0tSTgRw9AtGTz8Yr1tGQD9l_580zAXnE6jmrwRRQ68EEA7vohGov3tnG8pGyg_zcxeADLtPlfTc1tEwmh3SGrioDClioYCipm1JvkweEgP9eMPpEC8SgRU1VNDSVe1SF4uNsH8vA7PHFKfg6juqJEc5ht-l10FYER-Qq6bZXsU2oNcfE5SLDeLTWmxiHmxK00M8ABMFIV5gUkPoMiWcl87O6XwzA2chsIERp7Vb-Vn2O-EELiXzv7lPhc6fTGQ0Nc",
      e: "AQAB",
      d: "uXPRXBhcE5-DWabBRKQuhxgU8ype5gTISWefeYP7U96ZHqu_sBByZ5ihdgyU9pgAZGVx4Ep9rnVKnH2lNr2zrP9Qhyqy99nM0aMxmypIWLAuP__DwLj4t99M4sU29c48CAq1egHfccSFjzpNuetOTCA71EJuokt70pm0OmGzgTyvjuR7VTLxd5PMXitBowSn8_cphmnFpT8tkTiuy8CH0R3DU7MOuINomDD1s8-yPBcVAVTPUnwJiauNuzestLQKMLlhT5wn-cAbYk36XRKdgkjSc2AkhHRl4WDqT1nzWYdh_DVIYSLiKSktkPO9ovMrRYiPtozfhl0m9SR9Ll0wXtcnnDlWXc_MSGpw18vmUBSJ4PIhkiFsvLn-db3wUkA8uve-iqqfk0sxlGWughWx03kGmZDmprWbXugCBHfsI4X93w4exznXH_tapxPnmjbhVUQR6p41MvO2lcHWPLwGJgLIoejBHpnn3TmMN0UjFZki7q9B_dJ3fXh0mX9DzAlC0sil1NgCPhMPq02393_giinQquMknrBvgKxGSfGUrDKuflCx611ZZlRM3R7YMX2OIy1g4DyhPzBVjxRMtm8PnIs3m3Hi-O-C_PHF93w9J8Wqd0yIw7SpavDqZXLPC6Cqi8K7MBZyVECXHtRj1bBqT-h_xZmFCDjSU0NqfOdgApE",
      p: "9NrXwq4kY9kBBOwLoFZVQc4kJI_NbKa_W9FLdQdRIbMsZZHXJ3XDUR9vJAcaaR75WwIC7X6N55nVtWTq28Bys9flJ9RrCTfciOntHEphBhYaL5ZTUl-6khYmsOf_psff2VaOOCvHGff5ejuOmBQxkw2E-cv7knRgWFHoLWpku2NJIMuGHt9ks7OAUfIZVYl9YJnw4FYUzhgaxemknjLeZ8XTkGW2zckzF-d95YI9i8zD80Umubsw-YxriSfqFQ0rGHBsbQ8ZOTd_KJju42BWnXIjNDYmjFUqdzVjI4XQ8EGrCEf_8_iwphGyXD7LOJ4fqd97B3bYpoRTPnCgY_SEHQ",
      q: "5J758_NeKr1XPZiLxXohYQQnh0Lb4QtGZ1xzCgjhBQLcIBeTOG_tYjCues9tmLt93LpJfypSJ-SjDLwkR2s069_IByYGpxyeGtV-ulqYhSw1nD2CXKMDGyO5jXDs9tJrS_UhfobXKQH03CRdFugyPkSNmXY-AafFynG7xLr7oYBC05FnhUXPm3VBTPt9K-BpqwYd_h9vkAWeprSPo83UlwcLMupSJY9LaHxhRdz2yi0ZKNwXXHRwcszGjDBvvzUcCYbqWqjzbEvFY6KtH8Jh4LhM46rHaoEOTernJsDF6a6W8Df88RthqTExcwnaQf0O_dlbjSxEIPfbxx8t1EQugw",
      dp:
        "4Y7Hu5tYAnLhMXuQqj9dgqU3PkcKYdCp7xc6f7Ah2P2JJHfYz4z4RD7Ez1eLyNKzulZ8A_PVHUjlSZiRkaYTBAEaJDrV70P6cFWuC6WpA0ZREQ1V7EgrQnANbGILa8QsPbYyhSQu4YlB1IwQq5_OmzyVBtgWA7AZIMMzMsMT0FuB_if-gWohBjmRN-vh0p45VUf6UW568-_YmgDFmMYbg1UFs7s_TwrNenPR0h7MO4CB8hP9vJLoZrooRczzIjljPbwy5bRG9CJfjTJ0vhj9MUT3kR1hHV1HJVGU5iBbfTfBKnvJGSI6-IDM4ZUm-B0R5hbs6s9cfOjhFmACIJIbMQ",
      dq:
        "gT4iPbfyHyVEwWyQb4X4grjvg7bXSKSwG1SXMDAOzV9tg7LwJjKYNy8gJAtJgNNVdsfVLs-E_Epzpoph1AIWO9YZZXkov6Yc9zyEVONMX9S7ReU74hTBd8E9b2lMfMg9ogYk9jtSPTt-6kigW4fOh4cHqZ6_tP3cgfLD3JZ8FDPHE4WaySvLDq49yUBO5dQKyIU_xV6OGhQjOUjP_yEoMmzn9tOittsIHTxbXTxqQ6c1FvU9O6YTv8Jl5_Cl66khfX1I1RG38xvurcHULyUbYgeuZ_Iuo9XreT73h9_owo9RguGT29XH4vcNZmRGf5GIvRb4e5lvtleIZkwJA3u78w",
      qi:
        "JHmVKb1zwW5iRR6RCeexYnh2fmY-3DrPSdM8Dxhr0F8dayi-tlRqEdnG0hvp45n8gLUskWWcB9EXlUJObZGKDfGuxgMa3g_xeLA2vmFQ12MxPsyH4iCNZvsgmGxx7TuOHrnDh5EBVnM4_de63crEJON2sYI8Ozi-xp2OEmAr2seWKq4sxkFni6exLhqb-NE4m9HMKlng1EtQh2rLBFG1VYD3SYYpMLc5fxzqGvSxn3Fa-Xgg-IZPY3ubrcm52KYgmLUGmnYStfVqGSWSdhDXHlNgI5pdAA0FzpyBk3ZX-JsxhwcnneKrYBBweq06kRMGWgvdbdAQ-7wSeGqqj5VPwA",
    },
  },
};

Deno.test(async function testImportRsaJwk() {
  const subtle = window.crypto.subtle;
  assert(subtle);

  for (const [_key, jwkData] of Object.entries(jwtRSAKeys)) {
    const { size, publicJWK, privateJWK } = jwkData;
    if (size < 2048) {
      continue;
    }

    // 1. Test import PSS
    for (const hash of ["SHA-1", "SHA-256", "SHA-384", "SHA-512"]) {
      const hashMapPSS: Record<string, string> = {
        "SHA-1": "PS1",
        "SHA-256": "PS256",
        "SHA-384": "PS384",
        "SHA-512": "PS512",
      };

      if (size == 1024 && hash == "SHA-512") {
        continue;
      }

      const privateKeyPSS = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapPSS[hash],
          ...privateJWK,
          ext: true,
          "key_ops": ["sign"],
        },
        { name: "RSA-PSS", hash },
        true,
        ["sign"],
      );

      const publicKeyPSS = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapPSS[hash],
          ...publicJWK,
          ext: true,
          "key_ops": ["verify"],
        },
        { name: "RSA-PSS", hash },
        true,
        ["verify"],
      );

      const signaturePSS = await crypto.subtle.sign(
        { name: "RSA-PSS", saltLength: 32 },
        privateKeyPSS,
        new Uint8Array([1, 2, 3, 4]),
      );

      const verifyPSS = await crypto.subtle.verify(
        { name: "RSA-PSS", saltLength: 32 },
        publicKeyPSS,
        signaturePSS,
        new Uint8Array([1, 2, 3, 4]),
      );
      assert(verifyPSS);
    }

    // 2. Test import PKCS1
    for (const hash of ["SHA-1", "SHA-256", "SHA-384", "SHA-512"]) {
      const hashMapPKCS1: Record<string, string> = {
        "SHA-1": "RS1",
        "SHA-256": "RS256",
        "SHA-384": "RS384",
        "SHA-512": "RS512",
      };

      if (size == 1024 && hash == "SHA-512") {
        continue;
      }

      const privateKeyPKCS1 = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapPKCS1[hash],
          ...privateJWK,
          ext: true,
          "key_ops": ["sign"],
        },
        { name: "RSASSA-PKCS1-v1_5", hash },
        true,
        ["sign"],
      );

      const publicKeyPKCS1 = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapPKCS1[hash],
          ...publicJWK,
          ext: true,
          "key_ops": ["verify"],
        },
        { name: "RSASSA-PKCS1-v1_5", hash },
        true,
        ["verify"],
      );

      const signaturePKCS1 = await crypto.subtle.sign(
        { name: "RSASSA-PKCS1-v1_5", saltLength: 32 },
        privateKeyPKCS1,
        new Uint8Array([1, 2, 3, 4]),
      );

      const verifyPKCS1 = await crypto.subtle.verify(
        { name: "RSASSA-PKCS1-v1_5", saltLength: 32 },
        publicKeyPKCS1,
        signaturePKCS1,
        new Uint8Array([1, 2, 3, 4]),
      );
      assert(verifyPKCS1);
    }

    // 3. Test import OAEP
    for (
      const { hash, plainText } of hashPlainTextVector
    ) {
      const hashMapOAEP: Record<string, string> = {
        "SHA-1": "RSA-OAEP",
        "SHA-256": "RSA-OAEP-256",
        "SHA-384": "RSA-OAEP-384",
        "SHA-512": "RSA-OAEP-512",
      };

      if (size == 1024 && hash == "SHA-512") {
        continue;
      }

      const encryptAlgorithm = { name: "RSA-OAEP" };

      const privateKeyOAEP = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapOAEP[hash],
          ...privateJWK,
          ext: true,
          "key_ops": ["decrypt"],
        },
        { ...encryptAlgorithm, hash },
        true,
        ["decrypt"],
      );

      const publicKeyOAEP = await crypto.subtle.importKey(
        "jwk",
        {
          alg: hashMapOAEP[hash],
          ...publicJWK,
          ext: true,
          "key_ops": ["encrypt"],
        },
        { ...encryptAlgorithm, hash },
        true,
        ["encrypt"],
      );
      const cipherText = await subtle.encrypt(
        encryptAlgorithm,
        publicKeyOAEP,
        plainText,
      );

      assert(cipherText);
      assert(cipherText.byteLength > 0);
      assertEquals(cipherText.byteLength * 8, size);
      assert(cipherText instanceof ArrayBuffer);

      const decrypted = await subtle.decrypt(
        encryptAlgorithm,
        privateKeyOAEP,
        cipherText,
      );
      assert(decrypted);
      assert(decrypted instanceof ArrayBuffer);
      assertEquals(new Uint8Array(decrypted), plainText);
    }
  }
});

const jwtECKeys = {
  "256": {
    size: 256,
    algo: "ES256",
    publicJWK: {
      kty: "EC",
      crv: "P-256",
      x: "0hCwpvnZ8BKGgFi0P6T0cQGFQ7ugDJJQ35JXwqyuXdE",
      y: "zgN1UtSBRQzjm00QlXAbF1v6s0uObAmeGPHBmDWDYeg",
    },
    privateJWK: {
      kty: "EC",
      crv: "P-256",
      x: "0hCwpvnZ8BKGgFi0P6T0cQGFQ7ugDJJQ35JXwqyuXdE",
      y: "zgN1UtSBRQzjm00QlXAbF1v6s0uObAmeGPHBmDWDYeg",
      d: "E9M6LVq_nPnrsh_4YNSu_m5W53eQ9N7ptAiE69M1ROo",
    },
  },
  "384": {
    size: 384,
    algo: "ES384",
    publicJWK: {
      kty: "EC",
      crv: "P-384",
      x: "IZwU1mYXs27G2IVrOFtzp000T9iude8EZDXdpU47RL1fvevR0I3Wni19wdwhjLQ1",
      y: "vSgTjMd4M3qEL2vWGyQOdCSfJGZ8KlgQp2v8KOAzX4imUB3sAZdtqFr7AIactqzo",
    },
    privateJWK: {
      kty: "EC",
      crv: "P-384",
      x: "IZwU1mYXs27G2IVrOFtzp000T9iude8EZDXdpU47RL1fvevR0I3Wni19wdwhjLQ1",
      y: "vSgTjMd4M3qEL2vWGyQOdCSfJGZ8KlgQp2v8KOAzX4imUB3sAZdtqFr7AIactqzo",
      d: "RTe1mQeE08LSLpao-S-hqkku6HPldqQVguFEGDyYiNEOa560ztSyzEAS5KxeqEBz",
    },
  },
};

type JWK = Record<string, string>;

function equalJwk(expected: JWK, got: JWK): boolean {
  const fields = Object.keys(expected);

  for (let i = 0; i < fields.length; i++) {
    const fieldName = fields[i];

    if (!(fieldName in got)) {
      return false;
    }
    if (expected[fieldName] !== got[fieldName]) {
      return false;
    }
  }

  return true;
}

Deno.test(async function testImportExportEcDsaJwk() {
  const subtle = crypto.subtle;
  assert(subtle);

  for (
    const [_key, keyData] of Object.entries(jwtECKeys)
  ) {
    const { publicJWK, privateJWK, algo } = keyData;

    // 1. Test import EcDsa
    const privateKeyECDSA = await subtle.importKey(
      "jwk",
      {
        alg: algo,
        ...privateJWK,
        ext: true,
        "key_ops": ["sign"],
      },
      { name: "ECDSA", namedCurve: privateJWK.crv },
      true,
      ["sign"],
    );
    const expPrivateKeyJWK = await subtle.exportKey(
      "jwk",
      privateKeyECDSA,
    );
    assert(equalJwk(privateJWK, expPrivateKeyJWK as JWK));

    const publicKeyECDSA = await subtle.importKey(
      "jwk",
      {
        alg: algo,
        ...publicJWK,
        ext: true,
        "key_ops": ["verify"],
      },
      { name: "ECDSA", namedCurve: publicJWK.crv },
      true,
      ["verify"],
    );

    const expPublicKeyJWK = await subtle.exportKey(
      "jwk",
      publicKeyECDSA,
    );

    assert(equalJwk(publicJWK, expPublicKeyJWK as JWK));

    const signatureECDSA = await subtle.sign(
      { name: "ECDSA", hash: `SHA-${keyData.size}` },
      privateKeyECDSA,
      new Uint8Array([1, 2, 3, 4]),
    );

    const verifyECDSA = await subtle.verify(
      { name: "ECDSA", hash: `SHA-${keyData.size}` },
      publicKeyECDSA,
      signatureECDSA,
      new Uint8Array([1, 2, 3, 4]),
    );
    assert(verifyECDSA);
  }
});

Deno.test(async function testImportEcDhJwk() {
  const subtle = crypto.subtle;
  assert(subtle);

  for (
    const [_key, jwkData] of Object.entries(jwtECKeys)
  ) {
    const { size, publicJWK, privateJWK } = jwkData;

    // 1. Test import EcDsa
    const privateKeyECDH = await subtle.importKey(
      "jwk",
      {
        ...privateJWK,
        ext: true,
        "key_ops": ["deriveBits"],
      },
      { name: "ECDH", namedCurve: privateJWK.crv },
      true,
      ["deriveBits"],
    );

    const expPrivateKeyJWK = await subtle.exportKey(
      "jwk",
      privateKeyECDH,
    );
    assert(equalJwk(privateJWK, expPrivateKeyJWK as JWK));

    const publicKeyECDH = await subtle.importKey(
      "jwk",
      {
        ...publicJWK,
        ext: true,
        "key_ops": [],
      },
      { name: "ECDH", namedCurve: publicJWK.crv },
      true,
      [],
    );
    const expPublicKeyJWK = await subtle.exportKey(
      "jwk",
      publicKeyECDH,
    );
    assert(equalJwk(publicJWK, expPublicKeyJWK as JWK));

    const derivedKey = await subtle.deriveBits(
      {
        name: "ECDH",
        public: publicKeyECDH,
      },
      privateKeyECDH,
      size,
    );

    assert(derivedKey instanceof ArrayBuffer);
    assertEquals(derivedKey.byteLength, size / 8);
  }
});

const ecTestKeys = [
  {
    size: 256,
    namedCurve: "P-256",
    signatureLength: 64,
    // deno-fmt-ignore
    raw: new Uint8Array([
      4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63, 164, 244,
      113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172, 174, 93,
      209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155, 77, 16, 149, 112, 27,
      23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241, 193, 152, 53, 131, 97,
      232,
    ]),
    // deno-fmt-ignore
    spki: new Uint8Array([
      48, 89, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206,
      61, 3, 1, 7, 3, 66, 0, 4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128,
      88, 180, 63, 164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146,
      87, 194, 172, 174, 93, 209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155,
      77, 16, 149, 112, 27, 23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241,
      193, 152, 53, 131, 97, 232,
    ]),
    // deno-fmt-ignore
    pkcs8: new Uint8Array([
      48, 129, 135, 2, 1, 0, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42,
      134, 72, 206, 61, 3, 1, 7, 4, 109, 48, 107, 2, 1, 1, 4, 32, 19, 211, 58,
      45, 90, 191, 156, 249, 235, 178, 31, 248, 96, 212, 174, 254, 110, 86, 231,
      119, 144, 244, 222, 233, 180, 8, 132, 235, 211, 53, 68, 234, 161, 68, 3,
      66, 0, 4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63,
      164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172,
      174, 93, 209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155, 77, 16, 149,
      112, 27, 23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241, 193, 152, 53,
      131, 97, 232,
    ]),
  },
  {
    size: 384,
    namedCurve: "P-384",
    signatureLength: 96,
    // deno-fmt-ignore
    raw: new Uint8Array([
      4, 118, 64, 176, 165, 100, 177, 112, 49, 254, 58, 53, 158, 63, 73, 200,
      148, 248, 242, 216, 186, 80, 92, 160, 53, 64, 232, 157, 19, 1, 12, 226,
      115, 51, 42, 143, 98, 206, 55, 220, 108, 78, 24, 71, 157, 21, 120, 126,
      104, 157, 86, 48, 226, 110, 96, 52, 48, 77, 170, 9, 231, 159, 26, 165,
      200, 26, 164, 99, 46, 227, 169, 105, 172, 225, 60, 102, 141, 145, 139,
      165, 47, 72, 53, 17, 17, 246, 161, 220, 26, 21, 23, 219, 1, 107, 185,
      163, 215,
    ]),
    // deno-fmt-ignore
    spki: new Uint8Array([
      48, 118, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43, 129, 4, 0,
      34, 3, 98, 0, 4, 118, 64, 176, 165, 100, 177, 112, 49, 254, 58, 53, 158,
      63, 73, 200, 148, 248, 242, 216, 186, 80, 92, 160, 53, 64, 232, 157, 19,
      1, 12, 226, 115, 51, 42, 143, 98, 206, 55, 220, 108, 78, 24, 71, 157, 21,
      120, 126, 104, 157, 86, 48, 226, 110, 96, 52, 48, 77, 170, 9, 231, 159,
      26, 165, 200, 26, 164, 99, 46, 227, 169, 105, 172, 225, 60, 102, 141,
      145, 139, 165, 47, 72, 53, 17, 17, 246, 161, 220, 26, 21, 23, 219, 1,
      107, 185, 163, 215,
    ]),
    // deno-fmt-ignore
    pkcs8: new Uint8Array([
      48, 129, 182, 2, 1, 0, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43,
      129, 4, 0, 34, 4, 129, 158, 48, 129, 155, 2, 1, 1, 4, 48, 202, 7, 195,
      169, 124, 170, 81, 169, 253, 127, 56, 28, 98, 90, 255, 165, 72, 142, 133,
      138, 237, 200, 176, 92, 179, 192, 83, 28, 47, 118, 157, 152, 47, 65, 133,
      140, 50, 83, 182, 191, 224, 96, 216, 179, 59, 150, 15, 233, 161, 100, 3,
      98, 0, 4, 118, 64, 176, 165, 100, 177, 112, 49, 254, 58, 53, 158, 63, 73,
      200, 148, 248, 242, 216, 186, 80, 92, 160, 53, 64, 232, 157, 19, 1, 12,
      226, 115, 51, 42, 143, 98, 206, 55, 220, 108, 78, 24, 71, 157, 21, 120,
      126, 104, 157, 86, 48, 226, 110, 96, 52, 48, 77, 170, 9, 231, 159, 26,
      165, 200, 26, 164, 99, 46, 227, 169, 105, 172, 225, 60, 102, 141, 145,
      139, 165, 47, 72, 53, 17, 17, 246, 161, 220, 26, 21, 23, 219, 1, 107,
      185, 163, 215,
    ]),
  },
];

Deno.test(async function testImportEcSpkiPkcs8() {
  const subtle = window.crypto.subtle;
  assert(subtle);

  for (
    const { namedCurve, raw, spki, pkcs8, signatureLength } of ecTestKeys
  ) {
    const rawPublicKeyECDSA = await subtle.importKey(
      "raw",
      raw,
      { name: "ECDSA", namedCurve },
      true,
      ["verify"],
    );

    const expPublicKeyRaw = await subtle.exportKey(
      "raw",
      rawPublicKeyECDSA,
    );

    assertEquals(new Uint8Array(expPublicKeyRaw), raw);

    const privateKeyECDSA = await subtle.importKey(
      "pkcs8",
      pkcs8,
      { name: "ECDSA", namedCurve },
      true,
      ["sign"],
    );

    const expPrivateKeyPKCS8 = await subtle.exportKey(
      "pkcs8",
      privateKeyECDSA,
    );

    assertEquals(new Uint8Array(expPrivateKeyPKCS8), pkcs8);

    const expPrivateKeyJWK = await subtle.exportKey(
      "jwk",
      privateKeyECDSA,
    );

    assertEquals(expPrivateKeyJWK.crv, namedCurve);

    const publicKeyECDSA = await subtle.importKey(
      "spki",
      spki,
      { name: "ECDSA", namedCurve },
      true,
      ["verify"],
    );

    const expPublicKeySPKI = await subtle.exportKey(
      "spki",
      publicKeyECDSA,
    );

    assertEquals(new Uint8Array(expPublicKeySPKI), spki);

    const expPublicKeyJWK = await subtle.exportKey(
      "jwk",
      publicKeyECDSA,
    );

    assertEquals(expPublicKeyJWK.crv, namedCurve);

    for (
      const hash of ["SHA-1", "SHA-256", "SHA-384", "SHA-512"]
    ) {
      if (
        (hash == "SHA-256" && namedCurve == "P-256") ||
        (hash == "SHA-384" && namedCurve == "P-384")
      ) {
        const signatureECDSA = await subtle.sign(
          { name: "ECDSA", hash },
          privateKeyECDSA,
          new Uint8Array([1, 2, 3, 4]),
        );

        const verifyECDSA = await subtle.verify(
          { name: "ECDSA", hash },
          publicKeyECDSA,
          signatureECDSA,
          new Uint8Array([1, 2, 3, 4]),
        );
        assert(verifyECDSA);
      } else {
        await assertRejects(
          async () => {
            await subtle.sign(
              { name: "ECDSA", hash },
              privateKeyECDSA,
              new Uint8Array([1, 2, 3, 4]),
            );
          },
          DOMException,
          "Not implemented",
        );
        await assertRejects(
          async () => {
            await subtle.verify(
              { name: "ECDSA", hash },
              publicKeyECDSA,
              new Uint8Array(signatureLength),
              new Uint8Array([1, 2, 3, 4]),
            );
          },
          DOMException,
          "Not implemented",
        );
      }
    }
  }
});

Deno.test(async function testAesGcmEncrypt() {
  const key = await crypto.subtle.importKey(
    "raw",
    new Uint8Array(16),
    { name: "AES-GCM", length: 256 },
    true,
    ["encrypt", "decrypt"],
  );

  const nonces = [{
    iv: new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]),
    ciphertext: new Uint8Array([
      50,
      223,
      112,
      178,
      166,
      156,
      255,
      110,
      125,
      138,
      95,
      141,
      82,
      47,
      14,
      164,
      134,
      247,
      22,
    ]),
  }, {
    iv: new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]),
    ciphertext: new Uint8Array([
      210,
      101,
      81,
      216,
      151,
      9,
      192,
      197,
      62,
      254,
      28,
      132,
      89,
      106,
      40,
      29,
      175,
      232,
      201,
    ]),
  }];
  for (const { iv, ciphertext: fixture } of nonces) {
    const data = new Uint8Array([1, 2, 3]);

    const cipherText = await crypto.subtle.encrypt(
      { name: "AES-GCM", iv },
      key,
      data,
    );

    assert(cipherText instanceof ArrayBuffer);
    assertEquals(cipherText.byteLength, 19);
    assertEquals(
      new Uint8Array(cipherText),
      fixture,
    );

    const plainText = await crypto.subtle.decrypt(
      { name: "AES-GCM", iv },
      key,
      cipherText,
    );
    assert(plainText instanceof ArrayBuffer);
    assertEquals(plainText.byteLength, 3);
    assertEquals(new Uint8Array(plainText), data);
  }
});

async function roundTripSecretJwk(
  jwk: JsonWebKey,
  algId: AlgorithmIdentifier | HmacImportParams,
  ops: KeyUsage[],
  validateKeys: (
    key: CryptoKey,
    originalJwk: JsonWebKey,
    exportedJwk: JsonWebKey,
  ) => void,
) {
  const key = await crypto.subtle.importKey(
    "jwk",
    jwk,
    algId,
    true,
    ops,
  );

  assert(key instanceof CryptoKey);
  assertEquals(key.type, "secret");

  const exportedKey = await crypto.subtle.exportKey("jwk", key);

  validateKeys(key, jwk, exportedKey);
}

Deno.test(async function testSecretJwkBase64Url() {
  // Test 16bits with "overflow" in 3rd pos of 'quartet', no padding
  const keyData = `{
      "kty": "oct",
      "k": "xxx",
      "alg": "HS512",
      "key_ops": ["sign", "verify"],
      "ext": true
    }`;

  await roundTripSecretJwk(
    JSON.parse(keyData),
    { name: "HMAC", hash: "SHA-512" },
    ["sign", "verify"],
    (key, _orig, exp) => {
      assertEquals((key.algorithm as HmacKeyAlgorithm).length, 16);

      assertEquals(exp.k, "xxw");
    },
  );

  // HMAC 128bits with base64url characters (-_)
  await roundTripSecretJwk(
    {
      kty: "oct",
      k: "HnZXRyDKn-_G5Fx4JWR1YA",
      alg: "HS256",
      "key_ops": ["sign", "verify"],
      ext: true,
    },
    { name: "HMAC", hash: "SHA-256" },
    ["sign", "verify"],
    (key, orig, exp) => {
      assertEquals((key.algorithm as HmacKeyAlgorithm).length, 128);

      assertEquals(orig.k, exp.k);
    },
  );

  // HMAC 104bits/(12+1) bytes with base64url characters (-_), padding and overflow in 2rd pos of "quartet"
  await roundTripSecretJwk(
    {
      kty: "oct",
      k: "a-_AlFa-2-OmEGa_-z==",
      alg: "HS384",
      "key_ops": ["sign", "verify"],
      ext: true,
    },
    { name: "HMAC", hash: "SHA-384" },
    ["sign", "verify"],
    (key, _orig, exp) => {
      assertEquals((key.algorithm as HmacKeyAlgorithm).length, 104);

      assertEquals("a-_AlFa-2-OmEGa_-w", exp.k);
    },
  );

  // AES-CBC 128bits with base64url characters (-_) no padding
  await roundTripSecretJwk(
    {
      kty: "oct",
      k: "_u3K_gEjRWf-7cr-ASNFZw",
      alg: "A128CBC",
      "key_ops": ["encrypt", "decrypt"],
      ext: true,
    },
    { name: "AES-CBC" },
    ["encrypt", "decrypt"],
    (_key, orig, exp) => {
      assertEquals(orig.k, exp.k);
    },
  );

  // AES-CBC 128bits of '1' with padding chars
  await roundTripSecretJwk(
    {
      kty: "oct",
      k: "_____________________w==",
      alg: "A128CBC",
      "key_ops": ["encrypt", "decrypt"],
      ext: true,
    },
    { name: "AES-CBC" },
    ["encrypt", "decrypt"],
    (_key, _orig, exp) => {
      assertEquals(exp.k, "_____________________w");
    },
  );
});

Deno.test(async function testAESWrapKey() {
  const key = await crypto.subtle.generateKey(
    {
      name: "AES-KW",
      length: 128,
    },
    true,
    ["wrapKey", "unwrapKey"],
  );

  const hmacKey = await crypto.subtle.generateKey(
    {
      name: "HMAC",
      hash: "SHA-256",
      length: 128,
    },
    true,
    ["sign"],
  );

  //round-trip
  // wrap-unwrap-export compare
  const wrappedKey = await crypto.subtle.wrapKey(
    "raw",
    hmacKey,
    key,
    {
      name: "AES-KW",
    },
  );

  assert(wrappedKey instanceof ArrayBuffer);
  assertEquals(wrappedKey.byteLength, 16 + 8); // 8 = 'auth tag'

  const unwrappedKey = await crypto.subtle.unwrapKey(
    "raw",
    wrappedKey,
    key,
    {
      name: "AES-KW",
    },
    {
      name: "HMAC",
      hash: "SHA-256",
    },
    true,
    ["sign"],
  );

  assert(unwrappedKey instanceof CryptoKey);
  assertEquals((unwrappedKey.algorithm as HmacKeyAlgorithm).length, 128);

  const hmacKeyBytes = await crypto.subtle.exportKey("raw", hmacKey);
  const unwrappedKeyBytes = await crypto.subtle.exportKey("raw", unwrappedKey);

  assertEquals(new Uint8Array(hmacKeyBytes), new Uint8Array(unwrappedKeyBytes));
});

// https://github.com/denoland/deno/issues/13534
Deno.test(async function testAesGcmTagLength() {
  const key = await crypto.subtle.importKey(
    "raw",
    new Uint8Array(32),
    "AES-GCM",
    false,
    ["encrypt", "decrypt"],
  );

  const iv = crypto.getRandomValues(new Uint8Array(12));

  // encrypt won't fail, it will simply truncate the tag
  // as expected.
  const encrypted = await crypto.subtle.encrypt(
    { name: "AES-GCM", iv, tagLength: 96 },
    key,
    new Uint8Array(32),
  );

  await assertRejects(async () => {
    await crypto.subtle.decrypt(
      { name: "AES-GCM", iv, tagLength: 96 },
      key,
      encrypted,
    );
  });
});

Deno.test(async function ecPrivateKeyMaterialExportSpki() {
  // `generateKey` generates a key pair internally stored as "private" key.
  const keys = await crypto.subtle.generateKey(
    { name: "ECDSA", namedCurve: "P-256" },
    true,
    ["sign", "verify"],
  );

  assert(keys.privateKey instanceof CryptoKey);
  assert(keys.publicKey instanceof CryptoKey);

  // `exportKey` should be able to perform necessary conversion to export spki.
  const spki = await crypto.subtle.exportKey("spki", keys.publicKey);
  assert(spki instanceof ArrayBuffer);
});

// https://github.com/denoland/deno/issues/13911
Deno.test(async function importJwkWithUse() {
  const jwk = {
    "kty": "EC",
    "use": "sig",
    "crv": "P-256",
    "x": "FWZ9rSkLt6Dx9E3pxLybhdM6xgR5obGsj5_pqmnz5J4",
    "y": "_n8G69C-A2Xl4xUW2lF0i8ZGZnk_KPYrhv4GbTGu5G4",
  };

  const algorithm = { name: "ECDSA", namedCurve: "P-256" };

  const key = await crypto.subtle.importKey(
    "jwk",
    jwk,
    algorithm,
    true,
    ["verify"],
  );

  assert(key instanceof CryptoKey);
});

// https://github.com/denoland/deno/issues/14215
Deno.test(async function exportKeyNotExtractable() {
  const key = await crypto.subtle.generateKey(
    {
      name: "HMAC",
      hash: "SHA-512",
    },
    false,
    ["sign", "verify"],
  );

  assert(key);
  assertEquals(key.extractable, false);

  await assertRejects(async () => {
    // Should fail
    await crypto.subtle.exportKey("raw", key);
  }, DOMException);
});

// https://github.com/denoland/deno/issues/15126
Deno.test(async function testImportLeadingZeroesKey() {
  const alg = { name: "ECDSA", namedCurve: "P-256" };

  const jwk = {
    kty: "EC",
    crv: "P-256",
    alg: "ES256",
    x: "EvidcdFB1xC6tgfakqZsU9aIURxAJkcX62zHe1Nt6xU",
    y: "AHsk6BioGM7MZWeXOE_49AGmtuaXFT3Ill3DYtz9uYg",
    d: "WDeYo4o1heCF9l_2VIaClRyIeO16zsMlN8UG6Le9dU8",
    "key_ops": ["sign"],
    ext: true,
  };

  const key = await crypto.subtle.importKey(
    "jwk",
    jwk,
    alg,
    true,
    ["sign"],
  );

  assert(key instanceof CryptoKey);
  assertEquals(key.type, "private");
});

// https://github.com/denoland/deno/issues/15523
Deno.test(async function testECspkiRoundTrip() {
  const alg = { name: "ECDH", namedCurve: "P-256" };
  const { publicKey } = await crypto.subtle.generateKey(alg, true, [
    "deriveBits",
  ]);
  const spki = await crypto.subtle.exportKey("spki", publicKey);
  await crypto.subtle.importKey("spki", spki, alg, true, []);
});

Deno.test(async function testHmacJwkImport() {
  await crypto.subtle.importKey(
    "jwk",
    {
      kty: "oct",
      use: "sig",
      alg: "HS256",
      k: "hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg",
    },
    { name: "HMAC", hash: "SHA-256" },
    false,
    ["sign", "verify"],
  );
});

Deno.test(async function p521Import() {
  const jwk = {
    "crv": "P-521",
    "ext": true,
    "key_ops": [
      "verify",
    ],
    "kty": "EC",
    "x":
      "AXkSI8nfkc6bu3fifXGuKKbu08g5LKPfxUNQJJYzzPgmN8XLDzx0C9Sdeejl1XoWGrheKPHl0k4tUmHw0cdInpfj",
    "y":
      "AT4vjsO0bzVRlN3Wthv9DewncDXS2tlTob5QojV8WX1GzOAikRfWFEP3nspoSv88U447acZAsk5IvgGJuVjgMDlx",
  };
  const algorithm = { name: "ECDSA", namedCurve: "P-521" };

  const key = await crypto.subtle.importKey(
    "jwk",
    jwk,
    algorithm,
    true,
    ["verify"],
  );

  assert(key instanceof CryptoKey);
});

Deno.test(async function p521Generate() {
  const algorithm = { name: "ECDSA", namedCurve: "P-521" };

  const key = await crypto.subtle.generateKey(
    algorithm,
    true,
    ["sign", "verify"],
  );

  assert(key.privateKey instanceof CryptoKey);
  assert(key.publicKey instanceof CryptoKey);
});