xamarinios 
namespace System.Security.Cryptography
{
    public sealed class ECKeyXmlFormat : Enum
    {
        public ? value__;
    }
}
.NET Standard
2.02.1
Information specific to xamarinios
Assembly

System.Security.Cryptography.Cng , Version=5.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to System.Security.Cryptography.Cng.

Package System.Security.Cryptography.Cng (5.0.0) netstandard2.1
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API