fix: when equal to 16 bytes use SIMD

Author: unsafePtr

.github/workflows/publish-nuget.yml

@@ -87,7 +87,7 @@ jobs:
       run: dotnet nuget push ./artifacts/*.nupkg --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_API_KEY }} --skip-duplicate
 
     - name: Create GitHub Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
         files: ./artifacts/*.nupkg
         generate_release_notes: true

src/Base58Encoding/CountLeading.Base58.cs

@@ -12,7 +12,7 @@ internal static int CountLeadingZeros(ReadOnlySpan<byte> data)
         if (data.Length == 0)
             return 0;
 
-        if (data.Length <= 16)
+        if (data.Length < 16)
             return CountLeadingZerosScalar(data);
 
         int count = CountLeadingZerosSimd(data, out int processed);