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Challenge 7

A special National Cipher Challenge for extraordinary times › Forums › Bureau of Security and Signals Intelligence Forum › Challenge 7

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  • 19th May 2020 at 2:53 pm #48388
    10degrees-admin
    Keymaster

    Post #48371 is still awaiting moderation! What’s going on, @Harry???

    19th May 2020 at 2:53 pm #48384
    Inactive

    No you have the wrong shift – are you doing the frequency test?

    [I thought that at first, but I think it is a confusion between encrypt and decrypt, so not the wrong one! Harry]

    19th May 2020 at 2:55 pm #48370
    Inactive

    @Puttputt86 The hint about the number of permutations is so great! Before I saw this hint I was really confused, but now it all makes sense. Thanks a lot!

    19th May 2020 at 2:55 pm #48367
    10degrees-admin
    Keymaster

    OK, I have worked out that the caesar shift is […] and that the key word is […] letters long.

    [Keep trying! Harry]

    19th May 2020 at 3:05 pm #48390
    10degrees-admin
    Keymaster

    I meant post #48377, I think! Anyway, it seems to have disappeared!

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