Level II Challenges (158)
Page 1 of the challenges in
Level II, ordered by date posted (the most recent appear first).
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This is part 3 of the challenge series about lattice-based cryptography schemes. This challenge introduces an encryption scheme which uses systems of linear equations. Can you decrypt a message without knowing the key? Read more...
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Click here to download the challenge.
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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. |
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Published on: 2020-07-16 12:58 |
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Maximum number of attempts for this challenge: 15 |
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All successful users of this challenge
| Rank |
User (#23) |
Achieved points (Global score) |
y-m-d - h:m:s |
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Dominik M. (Sgt. Pepper)
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2000 (128575) |
2020-07-16 13:39:08 |
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S (Zyphe)
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2000 (13361) |
2020-07-16 14:13:42 |
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Kurt Gebauer (Yokozuna)
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2000 (282608) |
2020-07-16 14:34:01 |
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H. Lautenschlager (helmi)
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2000 (56470) |
2020-07-16 14:42:10 |
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#5 |
Snake (snk)
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2000 (187783) |
2020-07-16 15:07:38 |
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#6 |
Viktor (Veselovský)
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2000 (169444) |
2020-07-16 22:00:42 |
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#7 |
Eugene (lim0n)
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2000 (178540) |
2020-07-16 22:58:02 |
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#8 |
Armin Krauss (argh)
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2000 (206965) |
2020-07-17 12:56:08 |
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#9 |
Alain Collignon (vexilla72)
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1824 (123666) |
2020-07-17 18:39:14 |
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#10 |
George (Theofanidis)
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1824 (120955) |
2020-07-17 19:54:10 |
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#11 |
Silvia Kortmann (mikinsget)
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1824 (20341) |
2020-07-18 10:43:30 |
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#12 |
Em Doulgerakis (Greko)
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1725 (193799) |
2020-07-19 11:13:43 |
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#13 |
Nofre Tete (noffi)
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1613 (26507) |
2020-07-20 20:20:30 |
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#14 |
DS (DS8279)
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1576 (29732) |
2020-07-22 12:14:13 |
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#15 |
Derek Hatton (alfred_noble)
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1406 (33998) |
2020-08-01 17:46:10 |
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#16 |
Marco Cinelli (Snap)
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1324 (37769) |
2020-08-18 16:34:40 |
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#17 |
Tristan1473 (Tristan1473)
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1315 (20432) |
2020-08-22 12:53:25 |
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#18 |
Polaris (Polaris)
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1305 (32963) |
2020-08-26 01:34:05 |
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#19 |
Michael (FoM)
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1201 (57794) |
2020-12-21 03:51:15 |
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#20 |
D3d4lu5 (D3d4lu5)
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1198 (363488) |
2020-12-29 19:46:17 |
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#21 |
Gerd Wilts (gerdw)
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1186 (50534) |
2021-02-07 23:05:32 |
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#22 |
Luigi Tomelli (archstanton)
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1167 (127538) |
2021-05-10 10:22:05 |
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#23 |
Eric (ExAstris)
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1166 (54941) |
2021-05-17 03:53:50 |
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