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Challenge "Christmas Challenge 2019: Differential Cryptanalysis — Part 1"
By: admin on Dec. 22, 2019, 9:04 p.m.
1
1153
By: NiKo  
Jan. 29, 2020, 5:17 p.m.
[  Go to the page:  1, 2  ]
Challenge "The Einstein Enigma"
By: admin on Feb. 7, 2018, 11:40 p.m.
20
10921
By: Alain  
Nov. 8, 2019, 7:37 p.m.
[  Go to the page:  1, 2  ]
Challenge "RSA: Two different keys — same ciphertext"
By: admin on Aug. 15, 2011, 5:04 p.m.
16
46954
By: ancat  
Sept. 26, 2019, 11:16 a.m.
Challenge "A Cloaked Substitution Cipher — Part 1"
By: admin on Aug. 21, 2019, 12:05 p.m.
5
2157
By: Veselovský  
Aug. 24, 2019, 10:47 p.m.
Challenge "The T52 Sturgeon Challenge — Part 12"
By: admin on Aug. 10, 2019, 5:32 p.m.
0
940
By: admin  
Aug. 10, 2019, 5:32 p.m.
Challenge "The T52 Sturgeon Challenge — Part 11"
By: admin on Aug. 10, 2019, 5:32 p.m.
0
803
By: admin  
Aug. 10, 2019, 5:32 p.m.
Challenge "The T52 Sturgeon Challenge — Part 10"
By: admin on Aug. 10, 2019, 5:32 p.m.
0
782
By: admin  
Aug. 10, 2019, 5:32 p.m.
Challenge "The T52 Sturgeon Challenge — Part 8"
By: admin on Aug. 10, 2019, 5:31 p.m.
0
751
By: admin  
Aug. 10, 2019, 5:31 p.m.
Challenge "The T52 Sturgeon Challenge — Part 7"
By: admin on Aug. 10, 2019, 5:30 p.m.
0
763
By: admin  
Aug. 10, 2019, 5:30 p.m.
Challenge "The T52 Sturgeon Challenge — Part 6"
By: admin on Aug. 10, 2019, 5:30 p.m.
0
813
By: admin  
Aug. 10, 2019, 5:30 p.m.
Challenge "The T52 Sturgeon Challenge — Part 5"
By: admin on Aug. 10, 2019, 5:30 p.m.
0
782
By: admin  
Aug. 10, 2019, 5:30 p.m.
Challenge "The T52 Sturgeon Challenge — Part 9"
By: admin on Aug. 10, 2019, 2:52 p.m.
0
773
By: admin  
Aug. 10, 2019, 2:52 p.m.
Challenge "The T52 Sturgeon Challenge — Part 3"
By: admin on July 22, 2019, 11:17 p.m.
0
861
By: admin  
July 22, 2019, 11:17 p.m.
Challenge "The T52 Sturgeon Challenge — Part 2"
By: admin on July 22, 2019, 11:15 p.m.
0
924
By: admin  
July 22, 2019, 11:15 p.m.
Challenge "Handycipher — Part 10"
By: admin on June 25, 2019, 5:10 p.m.
0
958
By: admin  
June 25, 2019, 5:10 p.m.
Challenge "Handycipher made in love — Part 2"
By: admin on May 21, 2019, 4:47 p.m.
2
2011
By: curmudgeon  
May 22, 2019, 1 a.m.
Challenge "Homophonic Encryption — Part 2"
By: vexilla72 on May 9, 2019, 10:53 a.m.
1
1372
By: be  
May 11, 2019, 1:25 p.m.
Challenge "Homophonic Encryption — Part 2"
By: admin on May 8, 2019, 11:05 p.m.
1
1570
By: george4096  
May 10, 2019, 10:04 p.m.
Challenge "Homophonic Encryption — Part 4"
By: admin on May 8, 2019, 9:10 p.m.
0
1101
By: admin  
May 8, 2019, 9:10 p.m.
Challenge "Homophonic Encryption — Part 3"
By: admin on May 8, 2019, 9:07 p.m.
0
1223
By: admin  
May 8, 2019, 9:07 p.m.
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