<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.0" />

Org.BouncyCastle.Asn1.Cms.Attribute

public class Attribute : Asn1Encodable
namespace Org.BouncyCastle.Asn1.Cms { public class Attribute : Asn1Encodable { public DerObjectIdentifier AttrType { get; } public Asn1Set AttrValues { get; } public static Attribute GetInstance(object obj); public static Attribute GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit); public static Attribute GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit); public Attribute(Asn1Sequence seq); public Attribute(DerObjectIdentifier attrType, Asn1Set attrValues); } }