On July 23, 2020, 11:12 a.m.
Are the plaintexts supposed to be in german, like in the examples?
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On Jan. 30, 2020, 4:35 p.m.
I am one of the authors of this challenge. We tried to create a challenge which explains how differential cryptanalysis works in practice (clearly, using to…
On Jan. 10, 2019, 3:44 p.m.
Will the publishing date and thus the received points also be corrected?
On June 14, 2018, 2:16 p.m.
I'm pretty sure I got the right d and recovered m (I checked m^e mod n == c), but I'm unable to convert m to ascii text. All standard bin-to-ascii conversions,…
On Feb. 9, 2018, 2:49 a.m.
I'm also having problems submitting the solution in the right format. I'm pretty sure I got everything right, but nothing is accepted…
On April 11, 2017, 6:43 p.m.
Thank you! However, I got another problem:
When trying to decrypt the example-holograms, I can't exactly reproduce the plaintext-phase (the amplitude is fine,…
On April 10, 2017, 9:37 p.m.
Is the masklevel N in this challenge 255 or 9?
In the program, the masklevel is fixed at 255, but if the values of the masks used here vary between 0 and 9 on…