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Re: Challenge

 On April 13, 2021, 8:34 p.m.

Dear jerva,

Thank you very much for your detailed reply! I really appreciate it.

This is way more information than what I asked for. It definitely helps …

Re: Challenge

 On April 8, 2021, 6:07 p.m.

Hi all,

I recently solved this challenge but it still bothers me the performance of my attack.
As this is part-1 of this series I ran the "simplest" attack…

Re: Challenge

 On Oct. 21, 2018, 12:46 p.m.

Dear MTC3 team,

In the description of the challenge it is mentioned that
"To avoid any confusion: The order of the symbols in the substitution tab…

Re: Challenge

 On Dec. 18, 2017, 5:05 p.m.

OK, problem solved. The above format is the correct one but there is a "tricky point".
It is kind of tricky if you do not have the keyboard layout of a specif…

Re: Challenge

 On Dec. 18, 2017, 11:32 a.m.


I am pretty sure that I enter the correct solution for this challenge but it does not get accepted. Would it be possible for any of the admins to check …

Re: PhD positions available?

 On April 27, 2017, 9:56 p.m.

Hello everyone,

I would like to thank everybody who spend a couple of minutes in order to read my previous post. Finally my search came to an end as I found…

PhD positions available?

 On Dec. 26, 2016, 11:20 a.m.

Hello everyone,

As the topic of the post mentions I am looking for a Phd position on cryptography. First of all I must mention that I acquired most of my kn…

Re: Challenge

 On Nov. 26, 2016, 7:46 p.m.

Hello Be,

Thank you for your answer. It was definitely not clear to me how you would handle the change. That is why I thought I should ask.

I am glad tha…

Re: Challenge

 On Nov. 26, 2016, 1:48 p.m.

Dear MTC3 team,

I have a simple question, and unfortunately I believe I know the answer. You mention in the above post that some Handycipher challenges will…

Problem accessing the "challenges" menu

 On May 30, 2016, 11:57 a.m.

The last hours I noticed that I cannot access the menu "challenges" either as a guest or as a logged in member. As I can see the last solution sent by a member…

Re: Challenge

 On May 17, 2016, 10:59 a.m.

I believe I have found the plaintext and the names of the dogs but my solution is not accepted. Would it be possible any of the solvers or a mtc3 team member t…

Re: Challenge

 On Sept. 8, 2013, 5:25 p.m.

Thank you both of you cruachan and helmi for your posts. I could not imagine that so big problems would come up if somebody didn't use cryptool. I am really so…

Re: Challenge

 On Sept. 5, 2013, 12:32 p.m.

While I was checking if everything is OK with the challenge I found this. The ciphertext must be downloaded in order to get it all correct. What I mean is that…

Re: Challenge

 On Sept. 5, 2013, 10:40 a.m.

Yes, what argh says seems to be correct. But if that was the only mistake all of us that solved it within the first day should get 0 points due to that mistake…

Re: Challenge

 On Sept. 3, 2013, 7:29 p.m.

Just solved it. If you use the hints given here, this is a genious challenge. I really enjoyed it and part-4 as well. Very clever challenges. Well done to the …

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