c# - Is System.Security.Cryptography.Pkcs namespace built-in .NET 5.0?

Question

I'm trying to migrate the project from .Net Framework 4.5 to .NET 5.0. The SignedCms class from System.Security.Cryptography.Pkcs namespace is used in this project. It looks like .NET 5.0 includes this namespace. But I receive the error:

Error   CS1069  The type name 'SignedCms' could not be found in the namespace 'System.Security.Cryptography.Pkcs'. This type has been forwarded to assembly 'System.Security.Cryptography.Pkcs, Version=0.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'

My question is: Should I install NuGet package for system.security.cryptography.pkcs? Or it is possible to enable this namespace in another way?

question from:https://stackoverflow.com/questions/65829734/is-system-security-cryptography-pkcs-namespace-built-in-net-5-0

Answer 1

Just install the NuGet package and move on.