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    RANDOM DATA GENERATOR
    304.
    发明公开
    RANDOM DATA GENERATOR 审中-公开

    公开(公告)号：US20240031142A1

    公开(公告)日：2024-01-25

    申请号：US18255046

    申请日：2021-12-03

    Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION

    Inventor： Seyit CAMTEPE ,  George HOBBS ,  Garrison (Yansong) GAO ,  Josef PIEPRZYK

    IPC: H04L9/08 ,  H04L9/30

    CPC classification number: H04L9/0869 ,  H04L9/3033

    Abstract: This disclosure relates to generating and sharing random data. A data port receives intensity data indicative of a measured intensity of electromagnetic radiation radiated from a rotating star over an observation time period. A processor transmits configuration data to a receiving device, which is indicative of an observation time period and an identification of the rotating star. The processor then identifies multiple pulses in the intensity data, each of the multiple pulses being associated with a pulse intensity value and generates the random data by generating multiple digital data values based on the pulse intensity value. The configuration data enables the receiving device to generate the random data. Transmitting the observation time period and the identification of the rotating star enables another device to generate the random data without receiving the random data directly, or to verify that received random data has not been tampered with.

    CLOCK SYNCHRONISATION
    305.
    发明公开
    CLOCK SYNCHRONISATION 审中-公开

    公开(公告)号：US20230418325A1

    公开(公告)日：2023-12-28

    申请号：US18326497

    申请日：2023-05-31

    Applicant: Commonwealth Scientific and Industrial Research Organisation

    Inventor： Gavin Catt

    IPC: G06F1/12 ,  G06F1/10

    CPC classification number: G06F1/12 ,  G06F1/10

    Abstract: A method of performing clock synchronisation across multiple devices, the method including: in a first device: emitting timing pulses based on a first clock signal; and, outputting event data including events associated with first event times based on the first clock signal; in a second device: receiving the timing pulses; and, generating reference data including an indication of each timing pulse associated with a reference time based on a second clock signal; and, in one or more processing devices: receiving the event data; recording an approximate local event time for each event based on a time of local receipt determined using a local clock signal; using the local event times and first event times to derive a first function that relates the first clock signal and the local clock signal; using the first function and the reference data to derive a synchronisation function relating the first and second clock signals; and, using the synchronisation function to perform clock synchronisation of the first and second clock signals.

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