Account

Name
Christof Kleber
Username
Loki
Joined
Oct. 16, 2010, 2:23 p.m.

Points
6,051
Rank
282
Trophies
Gold0
Silver0
Bronze0

Progress
Level I Challenges
23 / 93
Level II Challenges
2 / 179
Level III Challenges
0 / 77
Level X Challenges
0 / 18

Active Challenges (3)

LevelNameAttemptsDate
Number Sequence — Part 51 / 15April 25, 2012, 9:23 a.m.
Kaskade-S/T — Part 16 / 20May 11, 2011, 4:33 p.m.
Zodiac Cipher2 / 15Oct. 25, 2010, 10:22 p.m.

Solved Challenges (25)

LevelNamePointsDate
From Russia with Love100Jan. 17, 2018, 3:03 p.m.
Advent-Challenge — Part 1103Jan. 17, 2018, 11 a.m.
A hidden word150Jan. 8, 2013, 9:41 a.m.
Letter to the Templars — Part 2105Aug. 21, 2012, 12:39 p.m.
Letter to the Templars — Part 1150July 18, 2012, 2:34 p.m.
How do you become a big cryptographer?150May 30, 2012, 10:39 a.m.
Number Sequence — Part 3133April 2, 2012, 2:08 p.m.
The Book Code: A Challenge for Bookworms150March 22, 2012, 2:41 p.m.
Factorization Cipher — Part 1200Oct. 18, 2011, 11:56 a.m.
Grille Cipher133Oct. 17, 2011, 5:50 p.m.
ADFGVX — Part 2103Sept. 15, 2011, 2:52 p.m.
A really long number sequence1,502Sept. 14, 2011, 4:17 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid200Sept. 9, 2011, 1:45 p.m.
Modified Caesar Cipher120Sept. 7, 2011, 10:51 a.m.
Pigpen with a twist — Part 1200Sept. 6, 2011, 9:31 p.m.
Number Sequence — Part 2106July 27, 2011, 2:46 p.m.
One-Time Pad with Flaws101April 15, 2011, 11:35 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1113April 14, 2011, 10:30 a.m.
Cracking SHA1-Hashed Passwords1,502April 13, 2011, 10:22 a.m.
Original Caesar Cipher114Dec. 21, 2010, 3:01 p.m.
Monoalphabetic Substitution108Oct. 25, 2010, 5:07 p.m.
A modified homophonic cipher with reduced alphabets — Part 2125Oct. 25, 2010, 11:51 a.m.
A modified homophonic cipher with reduced alphabets — Part 1125Oct. 25, 2010, 9:58 a.m.
Caesar Encryption125Oct. 24, 2010, 8:50 p.m.
Number Sequence133Oct. 16, 2010, 11:28 p.m.

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