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 "on the security of a class of diffusion mechanisms for image encryption"):
  Abstract: The need for fast and strong image cryptosystems motivates researchers to develop new techniques to apply traditional cryptographic primitives in order to exploit the intrinsic features of digital images. One of the most popular and mature technique is the use of complex ynamic phenomena, including chaotic orbits and quantum walks, to generate the required key stream. In this paper, under the assumption of plaintext attacks we investigate the security of a classic diffusion mechanism (and of its variants) used as the core cryptographic rimitive in some image cryptosystems based on the aforementioned complex dynamic phenomena. We have theoretically found that regardless of the key schedule process, the data complexity for recovering each element of the equivalent secret key from these diffusion mechanisms is only O(1). The proposed analysis is validated by means of numerical examples. Some additional cryptographic applications of our work are also discussed.

Includes members:
  Member "chosen plaintext attack of an image encryption scheme based on modified permutation diffusion structure":
    also connected through other hyperedges:
      (none)
  Member "a chaotic image encryption scheme owning temp value feedback":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "chosen plaintext attack of an image encryption scheme based on modified permutation diffusion structure")
  Member "local shannon entropy measure with statistical tests for image randomness":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "universal chosen ciphertext attack for a family of image encryption schemes")
  Member "breaking a chaotic image encryption algorithm based on modulo addition and xor operation":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "on the cryptanalysis of fridrich s chaotic image encryption scheme")
  Member "a general quantitative cryptanalysis of permutation only multimedia ciphers against plaintext attacks":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "cryptanalyzing a medical privacy protection scheme based on dna coding and chaos")
  Member "on the design of perceptual mpeg video encryption algorithms":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "cryptanalyzing an image encryption algorithm based on scrambling and veginere cipher")
  Member "a fast image encryption scheme based on chaotic standard map":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "chosen plaintext attack of an image encryption scheme based on modified permutation diffusion structure")

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)