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Challenge "Extended Handycipher — Part 1"  

  By: admin on March 27, 2015, 3:26 p.m.

Extended Handycipher is an enhancement of the newly designed cipher Handycipher, which permits pen-and-paper encrypting and decrypting, while providing a significantly high level of security. From the 815-character plaintext the first 229 characters are known.
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Re: Challenge "Extended Handycipher — Part 1"  

  By: FoM on Dec. 12, 2023, 3:09 p.m.

Hello,

I can't see or read the details of this challenge. The download turns out to be a 0 byte file. This problem affects the German version and the English version as well. The same seems to apply to parts 2 and 3.

Greetings, Michael

Re: Challenge "Extended Handycipher — Part 1"  

  By: newton on Dec. 20, 2023, 12:30 a.m.

Hi Michael,

thanks for letting us know!

I fixed all files.

Best

newton


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