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GCHQ challenge

A special National Cipher Challenge for extraordinary times › Forums › Bureau of Security and Signals Intelligence Forum › GCHQ challenge

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  • 7th April 2020 at 4:14 pm #47138
    10degrees-admin
    Keymaster

    Thanks to Harry (and now GCHQ) for the bonus competition and for adding some silver lining to the current situation.

    The link for posting a solution time to the GCHQ challenge does not seem to work for me. I didn’t time my attempt, but it is now solved, and I am not sure what to post as evidence except that all of the info. in the description is relevant …

    7th April 2020 at 4:15 pm #47156
    Harry
    Keymaster

    Thanks Gordon, you got onto this a little ahead of us! The link should work now.

    Harry

    7th April 2020 at 5:14 pm #47174
    Inactive

    GCHQ Puzzle Challenge – where is it?
    You will find it in the Resources
    or click the following link…

    GCHQ Puzzle Challenge

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