<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Security.Cryptography.RSAParameters

public struct RSAParameters
namespace System.Security.Cryptography { public struct RSAParameters { public byte[] D; public byte[] DP; public byte[] DQ; public byte[] Exponent; public byte[] InverseQ; public byte[] Modulus; public byte[] P; public byte[] Q; } }