crypto: implement webcrypto.randomUUID

Refs: https://wicg.github.io/uuid/
Refs: https://www.chromestatus.com/feature/5689159362543616

doc/api/webcrypto.md

@@ -361,6 +361,16 @@ filled with random values, and a reference to `typedArray` is returned.
 
 An error will be thrown if the given `typedArray` is larger than 65,536 bytes.
 
+### `crypto.randomUUID()`
+<!-- YAML
+added: REPLACEME
+-->
+
+* Returns: {string}
+
+Generates a random [RFC 4122][] Version 4 UUID. The UUID is generated using a
+cryptographic pseudorandom number generator.
+
 ## Class: `CryptoKey`
 <!-- YAML
 added: v15.0.0
@@ -1771,4 +1781,5 @@ added: v15.0.0
 
 [JSON Web Key]: https://tools.ietf.org/html/rfc7517
 [Key usages]: #webcrypto_cryptokey_usages
+[RFC 4122]: https://www.rfc-editor.org/rfc/rfc4122.txt
 [Web Crypto API]: https://www.w3.org/TR/WebCryptoAPI/

lib/crypto.js

@@ -284,7 +284,7 @@ ObjectDefineProperties(module.exports, {
   webcrypto: {
     configurable: false,
     enumerable: true,
-    get() { return lazyRequire('internal/crypto/webcrypto'); }
+    get() { return lazyRequire('internal/crypto/webcrypto').crypto; }
   },
 
   // Aliases for randomBytes are deprecated.

lib/internal/crypto/webcrypto.js

@@ -64,8 +64,11 @@ const {
 
 const {
   getRandomValues,
+  randomUUID: _randomUUID,
 } = require('internal/crypto/random');
 
+const randomUUID = () => _randomUUID();
+
 async function generateKey(
   algorithm,
   extractable,
@@ -705,6 +708,12 @@ ObjectDefineProperties(
       writable: true,
       value: getRandomValues,
     },
+    randomUUID: {
+      enumerable: true,
+      configurable: true,
+      writable: true,
+      value: randomUUID,
+    },
     CryptoKey: {
       enumerable: true,
       configurable: true,
@@ -795,4 +804,8 @@ ObjectDefineProperties(
     }
   });
 
-module.exports = crypto;
+module.exports = {
+  Crypto,
+  SubtleCrypto,
+  crypto,
+};

test/fixtures/wpt/README.md

@@ -19,12 +19,13 @@ Last update:
 - html/webappapis/atob: https://github.com/web-platform-tests/wpt/tree/f267e1dca6/html/webappapis/atob
 - html/webappapis/microtask-queuing: https://github.com/web-platform-tests/wpt/tree/2c5c3c4c27/html/webappapis/microtask-queuing
 - html/webappapis/timers: https://github.com/web-platform-tests/wpt/tree/5873f2d8f1/html/webappapis/timers
-- interfaces: https://github.com/web-platform-tests/wpt/tree/80a4176623/interfaces
+- interfaces: https://github.com/web-platform-tests/wpt/tree/fc086c82d5/interfaces
 - performance-timeline: https://github.com/web-platform-tests/wpt/tree/17ebc3aea0/performance-timeline
 - resources: https://github.com/web-platform-tests/wpt/tree/972ca5b669/resources
 - streams: https://github.com/web-platform-tests/wpt/tree/8f60d94439/streams
 - url: https://github.com/web-platform-tests/wpt/tree/77d54aa9e0/url
 - user-timing: https://github.com/web-platform-tests/wpt/tree/df24fb604e/user-timing
+- WebCryptoAPI: https://github.com/web-platform-tests/wpt/tree/cdd0f03df4/WebCryptoAPI
 
 [Web Platform Tests]: https://github.com/web-platform-tests/wpt
 [`git node wpt`]: https://github.com/nodejs/node-core-utils/blob/main/docs/git-node.md#git-node-wpt

test/fixtures/wpt/WebCryptoAPI/META.yml

@@ -0,0 +1,3 @@
+spec: https://w3c.github.io/webcrypto/
+suggested_reviewers:
+  - twiss

test/fixtures/wpt/WebCryptoAPI/README.md

@@ -0,0 +1 @@
+Directory for Crypto API tests

test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/ecdh_bits.https.any.js

@@ -0,0 +1,9 @@
+// META: title=WebCryptoAPI: deriveBits() Using ECDH
+// META: script=ecdh_bits.js
+
+// Define subtests from a `promise_test` to ensure the harness does not
+// complete before the subtests are available. `explicit_done` cannot be used
+// for this purpose because the global `done` function is automatically invoked
+// by the WPT infrastructure in dedicated worker tests defined using the
+// "multi-global" pattern.
+promise_test(define_tests, 'setup - define tests');

test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/ecdh_keys.https.any.js

@@ -0,0 +1,9 @@
+// META: title=WebCryptoAPI: deriveKey() Using ECDH
+// META: script=ecdh_keys.js
+
+// Define subtests from a `promise_test` to ensure the harness does not
+// complete before the subtests are available. `explicit_done` cannot be used
+// for this purpose because the global `done` function is automatically invoked
+// by the WPT infrastructure in dedicated worker tests defined using the
+// "multi-global" pattern.
+promise_test(define_tests, 'setup - define tests');

test/fixtures/wpt/WebCryptoAPI/derive_bits_keys/hkdf.https.any.js

@@ -0,0 +1,15 @@
+// META: title=WebCryptoAPI: deriveBits() and deriveKey() Using HKDF
+// META: variant=?1-1000
+// META: variant=?1001-2000
+// META: variant=?2001-3000
+// META: variant=?3001-last
+// META: script=/common/subset-tests.js
+// META: script=hkdf_vectors.js
+// META: script=hkdf.js
+
+// Define subtests from a `promise_test` to ensure the harness does not
+// complete before the subtests are available. `explicit_done` cannot be used
+// for this purpose because the global `done` function is automatically invoked
+// by the WPT infrastructure in dedicated worker tests defined using the
+// "multi-global" pattern.
+promise_test(define_tests, 'setup - define tests');