<PackageReference Include="BouncyCastle.Cryptography" Version="2.7.0" />

Org.BouncyCastle.Pqc.Crypto.Falcon.FprEngine

class FprEngine
namespace Org.BouncyCastle.Bcpg.Sig { public class EmbeddedSignature : SignatureSubpacket { public EmbeddedSignature(bool critical, bool isLongLength, byte[] data); } }