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

System.Security.Cryptography.TripleDESCng

public sealed class TripleDESCng : TripleDES
Provides a Cryptography Next Generation (CNG) implementation of the Triple Data Encryption Standard (3DES) algorithm.
namespace System.Security.Cryptography { public sealed class TripleDESCng : TripleDES { public TripleDESCng(); public TripleDESCng(string keyName); public TripleDESCng(string keyName, CngProvider provider); public TripleDESCng(string keyName, CngProvider provider, CngKeyOpenOptions openOptions); } }