Chaos-based hardware speech encryption scheme using modified tent map and bit permutation

Mohammed F. Tolba, Wafaa S. Sayed, Ahmed G. Radwan, Salwa K. Abd-El-Hafiz

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    18 Scopus citations

    Abstract

    This paper proposes a speech encryption scheme based on a generalized modified chaotic tent map and bit permutation and presents its hardware realization. The generalization scales the output range and increases the key space. The modification controls the bounds on the output range through a parameter such that chaotic output exists for almost all values of the parameter. The security and efficiency of the speech encryption scheme are validated through the randomness of the encrypted signal, the key sensitivity and the hardware resources utilization. The proposed scheme utilizes less FPGA resources compared to previous works and increases the throughput from 1.49 Gbit/sec to 4.35 Gbit/sec.

    Original languageBritish English
    Title of host publication2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages1-4
    Number of pages4
    ISBN (Electronic)9781538647882
    DOIs
    StatePublished - 8 Jun 2018
    Event7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018 - Thessaloniki, Greece
    Duration: 7 May 20189 May 2018

    Publication series

    Name2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018

    Conference

    Conference7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018
    Country/TerritoryGreece
    CityThessaloniki
    Period7/05/189/05/18

    Keywords

    • Chaos
    • Encryption
    • FPGA
    • Tent map

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