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Re: Challenge "The Heavy T52 Sturgeon Challenge — Part 8"

 On May 11, 2023, 11:03 p.m.

Thank you for the quick response. It would be very kind, if you could ask the author because I guess, that the computer will be very busy for a very long time …

Re: Challenge "The Heavy T52 Sturgeon Challenge — Part 8"

 On May 11, 2023, 7:56 p.m.

Hello, is this challenge with KTF ON or KTF OFF ?


Re: Challenge "A Heavy SZ42 Challenge – Part 14"

 On Dec. 30, 2022, 6:27 p.m.

In der deutschen Beschreibung steht: "Bei dieser "Breaking"-Challenge erhalten Sie ausschließlich einen Geheimtext und die Muster der CHI-Walzen." Die Muster d…

Re: Challenge

 On July 23, 2020, 2:34 p.m.

Would it be possible to give an example of a key file and a description of its format or is the solver supposed to find this out by himself?

Are there any l…

Re: Challenge

 On Nov. 23, 2019, 10:29 p.m.

BE wrote:
This is not really true. Page 2 of the challenge template states that the "500 ciphertext messages comprise 100 ciphertexts from each of the fo…

Re: Challenge

 On Nov. 23, 2019, 12:31 p.m.

BE wrote:
Especially for the CipherID – Part 1 challenge, the format warning also appears if there are not exactly 100 lettes of each of the 5 possible v…

Re: Challenge

 On Nov. 23, 2019, 11:06 a.m.

In addition to my last post I want to make some more remarks.

In the past we had already problems submitting the answer with a lot of challenges. This was s…

Re: Challenge

 On Nov. 23, 2019, 1:42 a.m.

I have already entered three answers to no avail. The first time I got no answer at all (neither right or wrong nor the number of wrong characters) . After the…

Re: Challenge

 On Nov. 15, 2019, 6:22 a.m.

Disappointing! No answer from the administration. I am going offline because I had to leave now.


You are right, this looks strange, but Bart13 …

Re: Challenge

 On Nov. 14, 2019, 3:34 p.m.

I find it is not ok to change the conditions for these challenge suddenly four days after publishing it (maximal 20 attempts instead of 99 attempts four days b…

Re: Challenge

 On Jan. 4, 2019, 12:04 a.m.


die PDF-Datei zu dieser Challenge wird wegen eines Fehlers nicht angezeigt. Außerdem ist das Datum der Veröffentlichung mit 30.12.2018 angegeben. Ich…

Re: Challenge

 On Feb. 8, 2018, 4:47 a.m.

Why is this a level 2 challenge? In my eyes it's a level 1.

Re: Challenge

 On Feb. 8, 2018, 4:26 a.m.

Please can somebody check this challenge.

Re: Challenge

 On Dec. 22, 2017, 12:37 a.m.

Jetzt habe ich eine neue Version von CrypTool 2 installiert und nun kommt die Fehlermeldung "Das Padding ist ungültig und kann nicht entfernt werden."

Ist d…

Re: Challenge

 On Dec. 22, 2017, midnight

Ich habe auch den gemeinsamen Schlüssel ermittelt, aber bei dem Versuch, die Nachricht mit CrypTool 2 zu entschlüsseln kommt immer die Fehlermeldung: "Die Zeic…

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