human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "dynamic analysis of digital chaotic maps via state mapping networks"
  Abstract: Chaotic dynamics is widely used to design pseudo-random number generators and for other applications, such as secure communications and encryption. This paper aims to study the dynamics of the discrete-time chaotic maps in the digital (i.e., finite-precision) domain. Differing from the traditional approaches treating a digital chaotic map as a black box with different explanations according to the test results of the output, the dynamical properties of such chaotic maps are first explored with a fixed-point arithmetic, using the Logistic map and the Tent map as two representative examples, from a new perspective with the corresponding state-mapping networks (SMNs). In an SMN, every possible value in the digital domain is considered as a node and the mapping relationship between any pair of nodes is a directed edge. The scale-free properties of the Logistic map's SMN are proved. The analytic results are further extended to the scenario of floating-point arithmetic and for other chaotic maps. Understanding the network structure of a chaotic map's SMN in digital computers can facilitate counteracting the undesirable degeneration of chaotic dynamics in finite-precision domains, also helping to classify and improve the randomness of pseudo-random number sequences generated by iterating the chaotic maps.

Connected through hyperedge HE-1 (induced by source paper "when an attacker meets a cipher image in 2018 a year in review"):
  with members:
    - "cryptanalysis of a chaotic image encryption algorithm based on information entropy"
    - "security evaluation for block scrambling based image encryption including jpeg distortion against jigsaw puzzle solver attacks"
    - "cryptanalyzing an image scrambling encryption algorithm of pixel bits"
    - "on the cryptanalysis of fridrich s chaotic image encryption scheme"
    - "cryptanalyzing an image encryption algorithm based on autoblocking and electrocardiography"
    - "cracking a hierarchical chaotic image encryption algorithm based on permutation"

Connected through hyperedge HE-2 (induced by source paper "cryptanalyzing a medical privacy protection scheme based on dna coding and chaos"):
  with members:
    - "cryptanalysis of a chaotic image encryption algorithm based on information entropy"
    - "cryptanalyzing an image scrambling encryption algorithm of pixel bits"
    - "cryptanalyzing an image encryption algorithm based on autoblocking and electrocardiography"
    - "cryptanalyzing a rgb image encryption algorithm based on dna encoding and chaos map"
    - "a general quantitative cryptanalysis of permutation only multimedia ciphers against plaintext attacks"

Connected through hyperedge HE-3 (induced by source paper "cryptanalysis of an image block encryption algorithm based on chaotic maps"):
  with members:
    - "cryptanalysis of a chaotic image encryption algorithm based on information entropy"
    - "cryptanalyzing an image encryption algorithm based on autoblocking and electrocardiography"
    - "cracking a hierarchical chaotic image encryption algorithm based on permutation"

Question: Please tell me which class the center node 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)