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Level II Challenges (96)

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

Spanish Strip Cipher — Part 1

[sanguino-01] - 19 users already solved this challenge, 2 are working on it.
 
 
 

A Spanish telegram was encrypted using the Spanish Strip Cipher, a popular algorithm during the Spanish Civil War. It is your task to find the plaintext.
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Published on: 2014-03-27 14:43
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#19) Achieved points (Global score) y-m-d - h:m:s

Alain (Integral) 2000 (198642) 2014-03-27 22:27:27
Viktor (Veselovský) 2000 (113116) 2014-03-28 00:56:25
Armin Krauss (argh) 1824 (155287) 2014-03-28 15:55:56
Kurt Gebauer (Yokozuna) 1824 (120839) 2014-03-28 21:39:18
#5 H. Lautenschlager (helmi) 1824 (18162) 2014-03-29 11:46:27
#6 Bart den Hartog (Bart13) 1660 (116412) 2014-03-31 05:04:36
#7 Snake (snk) 1613 (51689) 2014-03-31 19:52:14
#8 J. M. (jomandi) 1613 (113270) 2014-04-01 00:18:03
#9 george lasry (george4096) 1523 (281491) 2014-04-03 22:57:14
#10 Luigi Tomelli (archstanton) 1469 (95549) 2014-04-07 10:06:11
#11 zahir mohsen moradi (ariobarzan) 1254 (99757) 2014-06-07 16:21:32
#12 Michel Van Caneghem (vancan) 1243 (49719) 2014-06-20 08:03:19
#13 Julia Bernotat (El Greco ) 1196 (81129) 2014-09-14 13:33:02
#14 Tradecraft (Tradecraft) 1141 (5540) 2015-09-12 14:56:16
#15 Alain Collignon (vexilla72) 1139 (51007) 2015-10-14 19:49:18
#16 Martin (martinbucher) 1136 (22726) 2015-11-26 19:53:02
#17 Em Doulgerakis (Greko) 1127 (109970) 2016-05-13 21:57:24
#18 chris (c2) 1115 (51973) 2017-03-22 14:49:10
#19 D3d4lu5 (D3d4lu5) 1113 (57702) 2017-06-23 18:30:35
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   +++    [13:27 - 23.08.2017] tenchijin solved the Level II challenge 'Broadcasting and low exponent — RSA-Attack'    +++    [10:07 - 23.08.2017] nurnicu solved the Level I challenge 'Number Sequence — Part 2'    +++    [18:15 - 22.08.2017] D3d4lu5 solved the Level II challenge 'ASAC — A Strong(er) ADFGVX Cipher — Part 1'    +++    [18:13 - 22.08.2017] D3d4lu5 solved the Level II challenge 'Double Column Transposition — Part 3'    +++    [18:11 - 22.08.2017] D3d4lu5 solved the Level II challenge 'Double Column Transposition — Part 2'    +++