diff --git a/Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp b/Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp
index 0d563b824132..b7b498b2a3b1 100644
--- a/Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp
+++ b/Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp
@@ -6205,19 +6205,22 @@ WebIDL::ExceptionOr<Variant<GC::Ref<CryptoKey>, GC::Ref<CryptoKeyPair>>> HMAC::g
     // 10. Set the hash attribute of algorithm to hash.
     algorithm->set_hash(hash);
 
-    // 11. Set the [[type]] internal slot of key to "secret".
+    // 11. Set the length attribute of algorithm to length.
+    algorithm->set_length(length);
+
+    // 12. Set the [[type]] internal slot of key to "secret".
     key->set_type(Bindings::KeyType::Secret);
 
-    // 12. Set the [[algorithm]] internal slot of key to algorithm.
+    // 13. Set the [[algorithm]] internal slot of key to algorithm.
     key->set_algorithm(algorithm);
 
-    // 13. Set the [[extractable]] internal slot of key to be extractable.
+    // 14. Set the [[extractable]] internal slot of key to be extractable.
     key->set_extractable(extractable);
 
-    // 14. Set the [[usages]] internal slot of key to be usages.
+    // 15. Set the [[usages]] internal slot of key to be usages.
     key->set_usages(usages);
 
-    // 15. Return key.
+    // 16. Return key.
     return Variant<GC::Ref<CryptoKey>, GC::Ref<CryptoKeyPair>> { key };
 }
 
diff --git a/Tests/LibWeb/Text/expected/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.txt b/Tests/LibWeb/Text/expected/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.txt
new file mode 100644
index 000000000000..f794e837c640
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.txt
@@ -0,0 +1,198 @@
+Harness status: OK
+
+Found 192 tests
+
+96 Pass
+96 Fail
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, false, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, true, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, false, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, true, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: HMAC}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, false, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, true, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, false, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, true, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: HMAC}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, false, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, true, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, false, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, true, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: HMAC}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, false, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, true, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, false, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, true, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: HMAC}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, false, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, true, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, false, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, true, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: HMAC}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, false, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, true, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, false, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, true, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: HMAC}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, false, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, true, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, false, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, true, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: HMAC}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, false, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, true, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, false, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, true, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: HMAC}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-1, length: 160, name: Hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-256, length: 256, name: Hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-384, length: 384, name: Hmac}, true, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, false, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, true, [sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, false, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, true, [verify, sign])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, false, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, true, [verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, false, [sign, verify, sign, verify])
+Pass	Success: generateKey({hash: SHA-512, length: 512, name: Hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-1, name: Hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-256, name: Hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-384, name: Hmac}, true, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, false, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, true, [sign])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, false, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, true, [verify, sign])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, false, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, true, [verify])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, false, [sign, verify, sign, verify])
+Fail	Success: generateKey({hash: SHA-512, name: Hmac}, true, [sign, verify, sign, verify])
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.html b/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.html
new file mode 100644
index 000000000000..1c31cb4311c7
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>WebCryptoAPI: generateKey() Successful Calls</title>
+<meta name="timeout" content="long">
+<script>
+self.GLOBAL = {
+  isWindow: function() { return true; },
+  isWorker: function() { return false; },
+  isShadowRealm: function() { return false; },
+};
+</script>
+<script src="../../resources/testharness.js"></script>
+<script src="../../resources/testharnessreport.js"></script>
+<script src="../util/helpers.js"></script>
+<script src="../../common/subset-tests.js"></script>
+<script src="successes.js"></script>
+<div id=log></div>
+<script src="../../WebCryptoAPI/generateKey/successes_HMAC.https.any.js"></script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.js b/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.js
new file mode 100644
index 000000000000..18e0b271226f
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/WebCryptoAPI/generateKey/successes_HMAC.https.any.js
@@ -0,0 +1,6 @@
+// META: title=WebCryptoAPI: generateKey() Successful Calls
+// META: timeout=long
+// META: script=../util/helpers.js
+// META: script=/common/subset-tests.js
+// META: script=successes.js
+run_test(["HMAC"]);