<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.0" />

Ssse3

static class Ssse3
using System.Runtime.Intrinsics.X86; namespace Org.BouncyCastle.Runtime.Intrinsics.X86 { internal static class Ssse3 { internal static bool IsEnabled => System.Runtime.Intrinsics.X86.Ssse3.IsSupported; } }