chore: normalize os architecture

bindings/java/java_code/src/main/java/ethereum/cryptography/LibPeerDASKZG.java

@@ -28,21 +28,40 @@ public static native boolean verifyCellKZGProof(
     private static final String LIBRARY_NAME = "java_peerdas_kzg";
     private static final String PLATFORM_NATIVE_LIBRARY_NAME = System.mapLibraryName(LIBRARY_NAME);
 
+    private static String getNormalizedArchitecture() {
+        String osArch = System.getProperty("os.arch").toLowerCase();
+        if (osArch.equals("x86_64") || osArch.equals("amd64")) {
+            return "x86_64";
+        } else if (osArch.equals("aarch64") || osArch.equals("arm64")) {
+            return "aarch64";
+        } else {
+            return osArch;
+        }
+    }
+
     /** Loads the appropriate native library based on your platform. */
     // Copied from c-kzg
     public static void loadNativeLibrary() {
 
         String osName = System.getProperty("os.name").toLowerCase();
-        String osArch = System.getProperty("os.arch").toLowerCase();
+        String osArch = getNormalizedArchitecture();
         String libraryResourcePath = null;
 
         if (osName.contains("win")) {
-            if (osArch.contains("amd64") || osArch.contains("x86_64")) {
-                libraryResourcePath = "/x86_64-windows/" + PLATFORM_NATIVE_LIBRARY_NAME;
+            if (osArch.contains("x86_64")) {
+                libraryResourcePath = "/x86_64-windows-pc-gnu/" + PLATFORM_NATIVE_LIBRARY_NAME;
             } else if (osArch.contains("x86")) {
-                libraryResourcePath = "/x86-windows/" + PLATFORM_NATIVE_LIBRARY_NAME;
-            } else if (osArch.contains("arm64")) {
-                libraryResourcePath = "/arm64-windows/" + PLATFORM_NATIVE_LIBRARY_NAME;
+                // TODO: Remove this and just don't support 32-bit Windows
+                libraryResourcePath = "/i686-pc-windows-gnu/" + PLATFORM_NATIVE_LIBRARY_NAME;
+            } else if (osArch.contains("aarch64")) {
+                // Current version of c-kzg does not support arm windows either
+                // TODO: Rust has support for msvc with arm64, but it also has:
+                // aarch64-pc-windows-gnullvm -- we probably want to stick to one
+                // toolchain for now.
+                // If we do switch to msvc, nethermind had an issue with windows server 2022
+                // that we should check works with an msvc build.
+                // libraryResourcePath = "/aarch64-pc-windows-gnullvm/" + PLATFORM_NATIVE_LIBRARY_NAME;
+
             }
         } else if (osName.contains("mac")) {
             if (osArch.contains("x86_64")) {