<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />

Org.BouncyCastle.Utilities.IO.Pem.PemHeader

public class PemHeader
namespace Org.BouncyCastle.Utilities.IO.Pem { public class PemHeader { public virtual string Name { get; } public virtual string Value { get; } public PemHeader(string name, string val); } }