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

AttributeTable

public int Count { get; }

public Attribute this[DerObjectIdentifier oid] { get; }

Return the first attribute matching the given OBJECT IDENTIFIER

public AttributeTable(Attributes attrs)

public AttributeTable Add(Attribute[] attributes)

Return a new table with the passed in attribute added.