<PackageReference Include="BouncyCastle.Cryptography" Version="2.5.1" />

Sse2

static class Sse2
using System.Runtime.Intrinsics.X86; namespace Org.BouncyCastle.Runtime.Intrinsics.X86 { internal static class Sse2 { internal static bool IsEnabled => System.Runtime.Intrinsics.X86.Sse2.IsSupported; } }