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 "cryptanalysis of a public key encryption scheme based on qc ldpc and qc mdpc codes"):
  Abstract: This letter presents a cryptanalysis of the modified McEliece cryptosystem recently proposed by Moufek, Guenda and Gulliver [24]. The system is based on the juxtaposition of quasi-cyclic LDPC and quasi-cyclic MDPC codes. The idea of our attack is to find an alternative permutation matrix together with an equivalent LDPC code which allow the decoding of any cipher-text with a very high probability. We also apply a recent technique to determine weak keys [4] for this scheme. The results show that the probability of weak keys is high enough that this variant can be ruled out as a possible secure encryption scheme.

Includes members:
  Member "worst case qc mdpc decoder for mceliece cryptosystem":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "ledakem a post quantum key encapsulation mechanism based on qc ldpc codes")
  Member "quantum resistant random linear code based public key encryption scheme rlce":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "cryptanalysis of a system based on twisted reed solomon codes")
  Member "a polynomial time attack against algebraic geometry code based public key cryptosystems":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "mcnie a code based public key cryptosystem")
  Member "distinguisher based attacks on public key cryptosystems using reed solomon codes":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "encryption scheme based on expanded reed solomon codes")
  Member "an efficient attack of a mceliece cryptosystem variant based on convolutional codes":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "encryption scheme based on expanded reed solomon codes")

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.CR(Cryptography and Security)