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+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/ne-foss-org/nekernel
+
+#ifndef DRIVERKIT_CHECKSUM_H
+#define DRIVERKIT_CHECKSUM_H
+
+#include <DriverKit/ObjectKit/Base.hpp>
+
+namespace Kernel::DDK {
+
+using Blob = char*;
+using IndexableBlob = Blob;
+using Indexable = char;
+
+/// @note This uses the FNV 64-bit variant.
+/// @brief Performs a checksum computation for a memory region.
+inline uintptr_t rtl_checksum(const IndexableBlob path) {
+ if (!path || *path == 0) return 0;
+
+ const uintptr_t kFNVSeed = 0xcbf29ce484222325ULL;
+ const uintptr_t kFNVPrime = 0x100000001b3ULL;
+
+ uintptr_t hash = kFNVSeed;
+ IndexableBlob path_ = path;
+
+ while (*path_) {
+ hash ^= (Indexable) (*path_);
+ ++path_;
+
+ hash *= kFNVPrime;
+ }
+
+ return hash;
+}
+
+} // namespace Kernel::DDK
+
+#endif