LAN Ru, DUAN Pengfei, SHI Leyi. Research on generation mechanism of end spreading based on m-sequence[J]. 2022, 39(3): 65-70.DOI: 10.19304/J.ISSN1000-7180.2021.0767.
Research on generation mechanism of end spreading based on m-sequence
End Spreading is proposed to solve the problem of synchronization authentication in high-speed End Hopping system
which expresses the identity information as the extended sequence composed of several independent end information and protects the security and privacy of identity information well.However
the End Spreading sequence generated by the existing algorithm has poor pseudo-randomness and weak anti-analysis ability
which is not conducive toensuring the security and privacy of the original data.Therefore
the m-sequencewasintroduced into the generation process for the first time and proposes the generation mechanism of End Spreading based on m-sequence
making it have great confidentiality and pseudo-randomness. Secondly
the modules involved in this mechanism are discussed in detail
such as message preprocessing
m-sequence generation and modulation
and End Spreading sequence generation. Then
the characteristics equipped by the End Spreading sequence generated by the generation mechanism based on m-sequence are analyzed theoretically
like concealment
loss-tolerance
and anti-interference.Finally
the performance tests are conducted and the existing algorithm is regarded as the comparison scheme.The test results show that the End Spreading sequence generated by the generation mechanism based on m-sequence has better pseudo-randomness and robustness
which is of great significance to guarantee the security and reliable transmission of secret information.
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references
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