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Level I Challenges

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Challenge "Multilingual Monoalphabetic Substitution"
By: Javex on Jan. 30, 2013, 2:30 p.m.
4
6804
By: jomandi  
Feb. 16, 2013, 1:22 a.m.
Challenge "Enigma Messages"
By: Javex on Jan. 23, 2013, 3:36 p.m.
0
5530
By: Javex  
Jan. 23, 2013, 3:36 p.m.
[  Go to the page:  1, 2  ]
Challenge "Recycled One-Time Pad"
By: admin on Nov. 20, 2012, 4:51 p.m.
19
19481
By: paol  
Dec. 23, 2012, 6:17 p.m.
Challenge "Strange Message from Thessaloniki"
By: Javex on Dec. 10, 2012, 3:15 p.m.
0
6014
By: Javex  
Dec. 10, 2012, 3:15 p.m.
Chipper text with partly source message
By: Bilajbegovic on Nov. 8, 2012, 8:25 a.m.
10
8953
By: Bilajbegovic  
Nov. 10, 2012, 6:49 p.m.
One Time Pad mit Fehlern - Zweierblock addieren
By: Sansibar on Oct. 4, 2012, 1:15 p.m.
6
7808
By: Sansibar  
Oct. 13, 2012, 1:45 p.m.
Challenge "Letter to the Templars — Part 2"
By: admin on July 30, 2012, 8:11 p.m.
0
10852
By: admin  
July 30, 2012, 8:11 p.m.
Challenge "Number Sequence — Part 4"
By: admin on April 18, 2012, 7:26 p.m.
6
19974
By: aurelie  
May 1, 2012, 4:02 p.m.
The questions are still ambiguous
By: pavel on Dec. 28, 2011, 10:55 p.m.
1
7101
By: be  
Dec. 29, 2011, 1:47 a.m.
Challenge "Affine Codes / Modulo Arithmetic with N / Extended Euclid"
By: admin on Sept. 9, 2011, 11:25 a.m.
6
25522
By: fretty  
Sept. 21, 2011, 10:06 a.m.
Homophone Verschlüsselung Teil I
By: Seehase on May 3, 2011, 12:40 p.m.
2
7435
By: Seehase  
May 4, 2011, 8:16 p.m.
Challenge "A Secret Message from Castle Mansfeld"
By: admin on May 7, 2010, 2:27 p.m.
7
14404
By: nobody  
Feb. 20, 2011, 4:05 p.m.
mein PI scheint nicht zu stimmen...
By: EKI on Nov. 28, 2010, 12:33 p.m.
1
5267
By: Lotus  
Nov. 29, 2010, 4:20 p.m.
Antwort
By: HP on Oct. 18, 2010, 4:39 p.m.
1
3472
By: wackerao  
Oct. 18, 2010, 6:16 p.m.
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