<PackageReference Include="BouncyCastle.Cryptography" Version="2.5.1" />

RecipientIdentifier

public Asn1Encodable ID { get; }

public bool IsTagged { get; }

public static RecipientIdentifier GetInstance(object o)

public static RecipientIdentifier GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)

public static RecipientIdentifier GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)