human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "information theoretic security in wireless networks"):
  Abstract: This paper summarizes recent contributions of the authors and their co-workers in the area of information-theoretic security.

Includes members:
  Member "authentication over noisy channels":
    also connected through other hyperedges:
      (none)
  Member "secure communication over fading channels":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "parallel bcc with one common and two confidential messages and imperfect csit")
  Member "secrecy capacity region of fading broadcast channels":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "semantically secure lattice codes for compound mimo channels")
  Member "secrecy capacity of the wiretap channel with noisy feedback":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "on the commitment capacity of unfair noisy channels")
  Member "secure nested codes for type ii wiretap channels":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "generalizing multiple access wiretap and wiretap ii channel models achievable rates and cost of strong secrecy")
  Member "multiple antenna secure broadcast over wireless networks":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "diversity multiplexing tradeoff for the multiple antenna wire tap channel")
  Member "cognitive interference channels with confidential messages":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "the capacity of the semi deterministic cognitive interference channel with a common cognitive message and approximate capacity for the gaussian case")
  Member "multiple access channels with generalized feedback and confidential messages":
    also connected through other hyperedges:
      - Hyperedge HE-7 (induced by source paper "multiple access wiretap channel with noiseless feedback")

Question: Please tell me which class the source paper belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.IT(Information Theory)