<PackageReference Include="System.Security.Cryptography.Pkcs" Version="11.0.0-rc.2.26504.105" />

System.Security.Cryptography.CryptographicAttributeObjectCollection

public int Count { get; }

public bool IsSynchronized { get; }

public CryptographicAttributeObject this[int index] { get; }

public object SyncRoot { get; }

public int Add(AsnEncodedData asnEncodedData)

public int Add(CryptographicAttributeObject attribute)

public void CopyTo(CryptographicAttributeObject[] array, int index)

public void Remove(CryptographicAttributeObject attribute)