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Level I Challenges (89)

All challenges in Level I, ordered by date posted (the most recent appear first).

Lightweight Introduction to Lattices — Part 1

[dimitrov-esslinger-01] - 37 users already solved this challenge, 6 are working on it.
 
 
 

Lattice-based cryptography schemes are relevant for current post-quantum cryptography research. This challenge series accompanies the basic theory from a chapter of the CrypTool Book called "LIGHTWEIGHT INTRODUCTION TO LATTICES". In this part of the challenge series we introduce systems of linear equations to find a hidden message in a picture.
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Authors: This email address is being protected from spambots. You need JavaScript enabled to view it.,This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2020-05-16 16:03
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#37) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (128575) 2020-05-16 16:52:00
Snake (snk) 200 (187783) 2020-05-16 20:07:33
Armin Krauss (argh) 200 (206965) 2020-05-16 20:32:03
Eugene (lim0n) 200 (193160) 2020-05-17 12:10:48
#5 Viktor (Veselovský) 200 (169444) 2020-05-17 14:15:42
#6 Nofre Tete (noffi) 150 (26507) 2020-05-18 00:57:46
#7 Mike (RogueRamblers) 133 (81614) 2020-05-18 22:27:35
#8 sarah b (silva) 120 (50256) 2020-05-20 20:02:05
#9 George (Theofanidis) 117 (130187) 2020-05-21 22:11:07
#10 Paula Olsen (paol) 117 (942) 2020-05-22 11:18:41
#11 Alain Collignon (vexilla72) 108 (123666) 2020-05-28 13:30:13
#12 Kurt Gebauer (Yokozuna) 108 (282608) 2020-05-28 13:59:54
#13 H. Lautenschlager (helmi) 108 (57600) 2020-05-28 14:20:02
#14 Benjamin Bartl (arenas) 105 (6347) 2020-06-07 13:24:39
#15 Stephan (Stephje1978) 103 (27064) 2020-06-20 01:42:13
#16 Bernd (tryone144) 102 (8066) 2020-06-25 17:44:57
#17 Em Doulgerakis (Greko) 102 (193799) 2020-07-02 23:25:26
#18 Derek Hatton (alfred_noble) 101 (33998) 2020-07-29 18:43:10
#19 Random Dude (rnd) 101 (103645) 2020-07-30 22:27:43
#20 Tristan1473 (Tristan1473) 101 (20432) 2020-08-22 08:46:32
#21 Polaris (Polaris) 101 (32963) 2020-08-24 22:54:36
#22 Klaus (kumaus) 101 (22017) 2020-10-17 18:03:41
#23 Flo (sealth) 101 (25734) 2020-11-15 19:48:12
#24 Michael (FoM) 101 (57794) 2020-12-02 00:24:15
#25 Arno (TryC3) 100 (6847) 2020-12-16 17:53:15
#26 D3d4lu5 (D3d4lu5) 100 (363488) 2020-12-29 19:42:36
#27 Gerd Wilts (gerdw) 100 (50634) 2021-02-07 20:07:50
#28 Daniel Richter (TheHiveMind) 100 (11450) 2021-02-07 23:35:50
#29 Hughes (hughes) 100 (8430) 2021-02-19 15:23:58
#30 m (umsyt) 100 (9300) 2021-03-11 16:29:20
#31 Thomban (thomban) 100 (100) 2021-03-23 12:08:46
#32 Gábor (SirAbacus) 100 (5481) 2021-05-05 15:32:25
#33 Luigi Tomelli (archstanton) 100 (127538) 2021-05-17 19:29:32
#34 gordon (sir5) 100 (16181) 2021-05-19 06:16:20
#35 Eric (ExAstris) 100 (56037) 2021-06-02 00:31:41
#36 madness (madness) 100 (71592) 2021-06-13 01:13:50
#37 Antares (Antares) 100 (32880) 2021-07-17 15:53:00
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   +++    [09:42 - 03.08.2021] george4096 solved the Level II challenge 'SIGABA CSP-2900 — Part 1'    +++    [06:31 - 03.08.2021] george4096 solved the Level II challenge 'SIGABA CSP-2900 — Part 2'    +++    [21:27 - 02.08.2021] nugakmog solved the Level I challenge 'Number Sequence — Part 2'    +++    [21:14 - 02.08.2021] nugakmog solved the Level I challenge 'Original Caesar Cipher'    +++    [20:57 - 02.08.2021] nugakmog solved the Level I challenge 'Number Sequence'    +++