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Name

Dusan

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xxdradus

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March 30, 2012, 12:31 p.m.

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40,436

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Active Challenges (1)

Level	Name	Attempts	Date
	Partial Key Exposure with RSA — Part 1	2 / 15	May 28, 2012, 12:54 p.m.

Solved Challenges (92)

Name	Points	Date
Autokey Cipher	100	Feb. 29, 2020, 2:10 p.m.
Cryptanalysis Hacking Puzzles — Part 2	100	Feb. 14, 2020, 11:06 a.m.
Advent-Challenge — Part 1	102	Jan. 26, 2018, 12:41 p.m.
Number Sequence — Part 8	100	Nov. 29, 2016, 1:22 p.m.
News from Castle Mansfeld	101	Jan. 19, 2016, 4:05 p.m.
A hidden word — Part 2	108	April 28, 2015, 9:28 a.m.
Double Column Transposition — Part 4	1,170	Feb. 22, 2015, 2:28 p.m.
Enigma Messages	100	Feb. 16, 2015, 1:41 p.m.
Double Column Transposition — Part 1	1,165	Feb. 4, 2015, 6:13 p.m.
Double Column Transposition — Part 3	1,170	Feb. 3, 2015, 5:13 p.m.
Double Column Transposition — Part 2	1,170	Feb. 3, 2015, 8:37 a.m.
Double Columnar Transposition	100	Feb. 2, 2015, 4:32 p.m.
Strange Message from Thessaloniki	100	Jan. 13, 2015, 12:25 p.m.
M-138 — Part 2	1,398	Jan. 10, 2015, 11:21 a.m.
M-138 — Part 1	106	Jan. 9, 2015, 10:31 a.m.
The Last Note	101	Jan. 9, 2015, 9:26 a.m.
Enigma Messages with Repeated Letters — Part 5	101	June 30, 2014, 11:47 a.m.
Enigma Messages with Repeated Letters — Part 4	101	June 30, 2014, 11:39 a.m.
Enigma Messages with Repeated Letters — Part 3	101	June 30, 2014, 11:22 a.m.
Monoalphabetic substitution with camouflage — Part 4	100	Feb. 17, 2014, 8:19 a.m.
Monoalphabetic substitution with camouflage — Part 3	1,126	Feb. 11, 2014, 9:56 a.m.
Monoalphabetic substitution with camouflage — Part 1	100	Jan. 31, 2014, 10:46 a.m.
Monoalphabetic substitution with camouflage — Part 2	1,127	Jan. 22, 2014, 3:13 p.m.
Kaskade-S/T — Part 3	1,117	Jan. 8, 2014, 3:31 p.m.
Kaskade-S/T — Part 2	1,117	Dec. 23, 2013, 2:30 p.m.
Cascading Encryption — Part 1/3	100	Dec. 14, 2013, 11:09 a.m.
Turing Bombe Enigma I	100	Dec. 13, 2013, 4:41 p.m.
Enigma Messages with Repeated Letters — Part 2	102	Dec. 9, 2013, 5:29 p.m.
Enigma Messages with Repeated Letters — Part 1	101	Dec. 3, 2013, 10:13 a.m.
Trifid Cipher	103	Nov. 26, 2013, 2:56 p.m.
Nils away on travel	101	Nov. 24, 2013, 9:14 p.m.
From Russia with Love	101	Nov. 21, 2013, 6:53 p.m.
Snow White and the seven dwarfs	125	April 23, 2013, 4:22 p.m.
Number Sequence — Part 3	100	April 12, 2013, 9:01 a.m.
Reserve Hand Procedure — Part 1	104	March 29, 2013, 1:26 p.m.
BCR code (Book-Caesar-RSA)	1,188	March 28, 2013, 9:04 a.m.
Letter to the Templars — Part 3	1,197	March 26, 2013, 8:24 a.m.
Multilingual Monoalphabetic Substitution	102	March 25, 2013, 7:37 p.m.
Playfair with hints about the grid	101	March 23, 2013, 4:30 p.m.
A hidden word	101	March 22, 2013, 8:31 a.m.
Beaver Code	125	Aug. 17, 2012, 10:45 a.m.
A really long number sequence	1,160	Aug. 17, 2012, 7:35 a.m.
Number Sequence — Part 4	101	Aug. 5, 2012, 11:24 a.m.
Letter to the Templars — Part 2	125	Aug. 3, 2012, 8:51 a.m.
A Secret Message from Castle Mansfeld	100	Aug. 2, 2012, 2:25 p.m.
Pigpen with a twist — Part 2	1,161	Aug. 1, 2012, 12:29 p.m.
Pigpen with a twist — Part 3	1,162	July 29, 2012, 3:06 p.m.
Letter to the Templars — Part 1	108	July 28, 2012, 8:56 a.m.
Playfair Encryption	100	July 12, 2012, 2:26 p.m.
Ku Klux Klan	1,000	June 22, 2012, 5:38 p.m.
Keyshanc — Part 2	1,373	June 12, 2012, 2:30 p.m.
Keyshanc — Part 1	1,378	June 11, 2012, 3:25 p.m.
An 'unhearable' message	117	June 11, 2012, 10:18 a.m.
An Invisible Message	100	June 9, 2012, 3:28 p.m.
Factorization Cipher — Part 2	1,190	June 9, 2012, 7:05 a.m.
How do you become a big cryptographer?	113	June 4, 2012, 5:51 p.m.
Enigma Part 1	1,137	June 4, 2012, 11:19 a.m.
Enigma Part 2	1,137	June 1, 2012, 10:07 a.m.
Hybrid Encryption I	1,138	May 31, 2012, 2:43 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space	1,137	May 28, 2012, 3:11 p.m.
RSA: Two different keys — same ciphertext	1,169	May 28, 2012, 10:40 a.m.
ECDH-Key Exchange for Beginners	101	May 27, 2012, 12:14 p.m.
Broadcasting and low exponent — RSA Attack	1,166	May 23, 2012, 1:37 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)	1,137	May 23, 2012, 8:47 a.m.
ADFGVX — Part 2	100	May 22, 2012, 6:36 p.m.
ADFGVX — Part 1	100	May 22, 2012, 3:37 p.m.
Cracking SHA1-Hashed Passwords	1,152	May 21, 2012, 10:45 a.m.
Alice's Birthday Party (Part 1)	1,138	May 19, 2012, 11:59 a.m.
Alice's Birthday Party (Part 2)	1,138	May 19, 2012, 7 a.m.
Classical Ciphers^3	100	April 26, 2012, 11:29 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1	100	April 25, 2012, 3:31 p.m.
¿No Hablas Español? No problemo!	114	April 25, 2012, 2:55 p.m.
Pigpen with a twist — Part 1	100	April 25, 2012, 1:55 p.m.
Kaskade-S/T — Part 1	100	April 24, 2012, 1:41 p.m.
Molehunt (Part 3/3)	1,140	April 17, 2012, 12:02 p.m.
Molehunt (Part 1/3)	100	April 16, 2012, 3:27 p.m.
Molehunt (Part 2/3)	100	April 16, 2012, 2:47 p.m.
Modified Caesar Cipher	100	April 8, 2012, 2:49 p.m.
Grille Cipher	101	April 6, 2012, 11:57 a.m.
Letter from the Alleged Countess Julie von Ortenburg	100	April 6, 2012, 10:04 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid	100	April 5, 2012, 11:19 a.m.
One-Time Pad with Flaws	100	April 5, 2012, 10:36 a.m.
Number Sequence	100	April 4, 2012, 11:19 a.m.
A modified homophonic cipher with reduced alphabets — Part 2	100	April 4, 2012, 10:24 a.m.
A modified homophonic cipher with reduced alphabets — Part 1	100	April 3, 2012, 3:23 p.m.
Caesar Encryption	100	April 3, 2012, 2:58 p.m.
Zodiac Cipher	100	April 3, 2012, 9:02 a.m.
Monoalphabetic Substitution	100	April 2, 2012, 1:44 p.m.
Original Caesar Cipher	100	April 1, 2012, 2:33 p.m.
Number Sequence — Part 2	100	April 1, 2012, 2:20 p.m.
Factorization Cipher — Part 1	101	April 1, 2012, 1:12 p.m.
The Book Code: A Challenge for Bookworms	110	March 30, 2012, 4:32 p.m.