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diff --git a/src/bun.js/bindings/webcrypto/SubtleCrypto.h b/src/bun.js/bindings/webcrypto/SubtleCrypto.h
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+++ b/src/bun.js/bindings/webcrypto/SubtleCrypto.h
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+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(WEB_CRYPTO)
+
+#include "ContextDestructionObserver.h"
+#include "CryptoKeyFormat.h"
+#include <JavaScriptCore/Strong.h>
+#include <variant>
+#include <wtf/Ref.h>
+#include <wtf/RefCounted.h>
+#include <wtf/WeakPtr.h>
+#include <wtf/WorkQueue.h>
+
+namespace JSC {
+class ArrayBufferView;
+class ArrayBuffer;
+class CallFrame;
+}
+
+namespace WebCore {
+
+struct JsonWebKey;
+
+class BufferSource;
+class CryptoKey;
+class DeferredPromise;
+
+enum class CryptoAlgorithmIdentifier;
+enum class CryptoKeyUsage;
+
+class SubtleCrypto : public ContextDestructionObserver, public RefCounted<SubtleCrypto>, public CanMakeWeakPtr<SubtleCrypto> {
+public:
+    static Ref<SubtleCrypto> create(ScriptExecutionContext* context) { return adoptRef(*new SubtleCrypto(context)); }
+    ~SubtleCrypto();
+
+    using KeyFormat = CryptoKeyFormat;
+
+    using AlgorithmIdentifier = std::variant<JSC::Strong<JSC::JSObject>, String>;
+    using KeyDataVariant = std::variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>, JsonWebKey>;
+
+    void encrypt(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
+    void decrypt(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
+    void sign(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
+    void verify(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& signature, BufferSource&& data, Ref<DeferredPromise>&&);
+    void digest(JSC::JSGlobalObject&, AlgorithmIdentifier&&, BufferSource&& data, Ref<DeferredPromise>&&);
+    void generateKey(JSC::JSGlobalObject&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&& keyUsages, Ref<DeferredPromise>&&);
+    void deriveKey(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey& baseKey, AlgorithmIdentifier&& derivedKeyType, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
+    void deriveBits(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey& baseKey, unsigned length, Ref<DeferredPromise>&&);
+    void importKey(JSC::JSGlobalObject&, KeyFormat, KeyDataVariant&&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
+    void exportKey(KeyFormat, CryptoKey&, Ref<DeferredPromise>&&);
+    void wrapKey(JSC::JSGlobalObject&, KeyFormat, CryptoKey&, CryptoKey& wrappingKey, AlgorithmIdentifier&& wrapAlgorithm, Ref<DeferredPromise>&&);
+    void unwrapKey(JSC::JSGlobalObject&, KeyFormat, BufferSource&& wrappedKey, CryptoKey& unwrappingKey, AlgorithmIdentifier&& unwrapAlgorithm, AlgorithmIdentifier&& unwrappedKeyAlgorithm, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
+
+private:
+    explicit SubtleCrypto(ScriptExecutionContext*);
+
+    void addAuthenticatedEncryptionWarningIfNecessary(CryptoAlgorithmIdentifier);
+    inline friend RefPtr<DeferredPromise> getPromise(DeferredPromise*, WeakPtr<SubtleCrypto>);
+
+    Ref<WorkQueue> m_workQueue;
+    HashMap<DeferredPromise*, Ref<DeferredPromise>> m_pendingPromises;
+};
+
+}
+
+#endif