1 files changed, 39 insertions, 0 deletions
diff --git a/src/libDDK/DriverKit/ObjectKit/checksum.h b/src/libDDK/DriverKit/ObjectKit/checksum.h
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index 00000000..5f9859e2
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+++ b/src/libDDK/DriverKit/ObjectKit/checksum.h
@@ -0,0 +1,39 @@
+// 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/nekernel-org/nekernel
+
+#ifndef DRIVERKIT_CHECKSUM_H
+#define DRIVERKIT_CHECKSUM_H
+
+#include <DriverKit/ObjectKit/driver_base.h>
+
+namespace Kernel::DDK {
+
+using IndexableBlob = char*;
+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_++);
+    hash *= kFNVPrime;
+  }
+
+  return hash;
+}
+
+using Blob = void*;
+
+}  // namespace Kernel::DDK
+
+#endif