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I am sorry you had difficulties to enter the solution.

And I am sorry that I bothered you with my own mistake ;-)
I somehow was under the impression that…

Viktor,

if I'm not mistaken you once complained about a challenge that entering the correct solution was more difficult than solving the challenge itself.
…

I think I should make an apology to everyone who has spent time solving this challenge and now can't enter the solution because it is being reworked as I feel …

I couldn't agree more with Viktor: same program that I used to solve his Camouflage challenges worked without modifications for the Cloaked Substitution Cipher…

We replaced "for given initial values" by "for arbitrary initial
values".

That was not really a big help. I still find the wording for Problem 2 extrem…

Once again, a challenge where it is more difficult to enter the intended solution than to solve the challenge itself!

We find a solution and then have to om…

I had no problem solving this challenge with Excel…

Sure, send me a PM and I will have a look.

The codeword is mentioned in the plaintext. The German word for codeword is "Zugangsschluessel". I hope this helps.

Same problem here.

Hi Garnet,

'0' replacing by 'x' or 'y' and '1' replacing by 'z' is an example.
You have to find out by which character(s) '0' was replaced and by which cha…

Yes, that is correct.

It's a while since I solved this challenge so I'm not quite sure, but I think this is your problem:
To get the plaintext it is not ct^d but ct^d mod N

I ho…

I'm pretty sure the ciphertexts are still not ok.
They're good enough to get a solution, i.e. the first for words of message 1, but it is impossible to get 5 …

Philippe, I received your PM.
Your plaintext is not completely correct but that's not a big problem.

Please read the task on page 5 of the pdf again.
I th…