<PackageReference Include="System.Security.Cryptography.Cng" Version="5.0.0-preview.6.20305.6" />

System.Security.Cryptography.DSACng

public sealed class DSACng : DSA
Provides a Cryptography Next Generation (CNG) implementation of the Digital Signature Algorithm (DSA).
namespace System.Security.Cryptography { public sealed class DSACng : DSA { public CngKey Key { get; } public DSACng(); public DSACng(int keySize); public DSACng(CngKey key); } }