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Level II Challenges (113)

Page 1 of the challenges in Level II, ordered by date posted (the most recent appear first).

Monoalphabetic Substitution with Nostradamus Flavor

[theofanidis-08] - 15 users already solved this challenge.
 
 
 

What would Nostradamus do to make a mono-alphabetic substitution harder to break?
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Published on: 2019-02-16 12:28
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#15) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 2000 (175390) 2019-02-16 13:26:09
D3d4lu5 (D3d4lu5) 2000 (260853) 2019-02-16 15:57:07
Dominik M. (Sgt. Pepper) 2000 (87927) 2019-02-16 19:22:15
George Lasry (george4096) 2000 (292103) 2019-02-16 21:43:46
#5 Viktor (Veselovský) 2000 (142053) 2019-02-16 23:02:15
#6 Alain Collignon (vexilla72) 2000 (80184) 2019-02-16 23:07:32
#7 Kurt Gebauer (Yokozuna) 2000 (146278) 2019-02-17 06:54:14
#8 Snake (snk) 1824 (72164) 2019-02-17 17:11:33
#9 Luigi Tomelli (archstanton) 1660 (108345) 2019-02-19 13:04:04
#10 Lane Williams (planetlane) 1660 (20524) 2019-02-19 16:02:06
#11 Random Dude (rnd) 1660 (75797) 2019-02-19 17:26:52
#12 Karl Schutt (günter) 1660 (41550) 2019-02-19 18:42:32
#13 sarah b (silva) 1613 (12778) 2019-02-20 15:14:33
#14 Pierre Robier (tripleedged) 1613 (5916) 2019-02-20 21:29:51
#15 Rainer Zufall (kiekuk) 1444 (56786) 2019-02-28 16:30:24
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   +++    [01:18 - 23.03.2019] ykaridi solved the Level II challenge 'Partial Key Exposure with RSA — Part 1'    +++    [01:06 - 23.03.2019] ykaridi solved the Level II challenge 'Broadcasting and low exponent — RSA-Attack'    +++    [00:58 - 23.03.2019] ykaridi solved the Level II challenge 'Alice's Birthday Party (Part 2)'    +++    [23:43 - 22.03.2019] ykaridi solved the Level II challenge 'Alice's Birthday Party (Part 1)'    +++    [23:33 - 22.03.2019] ykaridi solved the Level II challenge 'RSA: Two different keys — same ciphertext'    +++