<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />

KeySpecificInfo

public Asn1OctetString Counter { get; }

public static KeySpecificInfo GetInstance(object obj)

public static KeySpecificInfo GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)

public static KeySpecificInfo GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)