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Name

J-L Morel

Username

Rossignol

Joined

July 14, 2015, 12:41 p.m.

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77,026

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Active Challenges (2)

Level	Name	Attempts	Date
	The SZ42 Challenge — Part 13	2 / 15	Jan. 14, 2023, 6:26 p.m.
	AES ECB Wrong Encoding	2 / 15	Nov. 21, 2022, 7:23 p.m.

Solved Challenges (115)

Name	Points	Date
The Josse Challenge – Part 3	1,272	May 24, 2023, 1:54 p.m.
The Hutton Cipher – Part 1	1,660	May 6, 2023, 7:29 a.m.
The Josse Challenge – Part 2	2,000	Feb. 25, 2023, 11:19 a.m.
The Josse Challenge – Part 1	2,000	Feb. 10, 2023, 8:21 p.m.
A Cloaked Substitution Cipher — Part 2	1,111	Feb. 8, 2023, 12:36 p.m.
A Cloaked Substitution Cipher — Part 1	1,111	Feb. 7, 2023, 9:24 p.m.
The SZ42 Challenge — Part 12	1,146	Jan. 22, 2023, 4:59 p.m.
Turing Bombe Enigma I	100	Jan. 15, 2023, 12:41 p.m.
Modified Vigenère Cipher	1,158	Jan. 14, 2023, 6:30 p.m.
Merkle-Hellman Knapsack Challenge — Part 2	1,270	Dec. 12, 2022, 5:38 p.m.
Alberti Challenge — Part 2	1,191	Nov. 18, 2022, 5:28 p.m.
Merkle-Hellman Knapsack Challenge - Part 1	103	Nov. 14, 2022, 12:48 p.m.
The Syllabary Cipher – Part 4	1,414	Nov. 12, 2022, 5:04 p.m.
Hill Cipher	1,261	Nov. 9, 2022, 9:15 p.m.
Alberti Challenge — Part 1	100	Nov. 4, 2022, 7:12 p.m.
The Syllabary Cipher – Part 5	1,547	Nov. 4, 2022, 10:35 a.m.
The Syllabary Cipher – Part 3	1,660	Nov. 1, 2022, 12:18 p.m.
The Syllabary Cipher – Part 2	1,660	Oct. 31, 2022, 5:41 p.m.
The Syllabary Cipher – Part 1	125	Oct. 31, 2022, 4:09 p.m.
The SZ42 Challenge — Part 9	1,148	March 18, 2022, 6:03 p.m.
The SZ42 Challenge — Part 8	1,145	Feb. 24, 2022, 11:38 a.m.
The SZ42 Challenge — Part 7	1,145	Feb. 24, 2022, 11:08 a.m.
The SZ42 Challenge — Part 6	1,143	Feb. 23, 2022, 5:27 p.m.
The SZ42 Challenge — Part 5	1,141	Feb. 22, 2022, 6:04 p.m.
The SZ42 Challenge — Part 4	1,140	Feb. 22, 2022, 5:43 p.m.
The SZ42 Challenge — Part 3	1,140	Feb. 15, 2022, 9:19 a.m.
The SZ42 Challenge — Part 2	1,139	Feb. 13, 2022, 7:45 p.m.
The SZ42 Challenge — Part 1	1,138	Feb. 13, 2022, 4:17 p.m.
Cipher ID — Part 1	1,129	Nov. 28, 2021, 5:24 p.m.
Zodiac Cipher	100	Nov. 3, 2021, 12:02 p.m.
ADFGVX — Part 2	100	Nov. 2, 2021, 7:11 p.m.
ADFGVX — Part 1	100	Nov. 2, 2021, 6:29 p.m.
Wheatstone Cryptograph — Part 2	1,198	Nov. 2, 2021, 3:52 p.m.
Wheatstone Cryptograph — Part 1	101	Nov. 1, 2021, 12:04 p.m.
Double Column Transposition — Part 1	1,092	Feb. 2, 2021, 11:22 a.m.
Double Column Transposition — Part 2	1,092	Jan. 16, 2021, 11:33 a.m.
Monoalphabetic Substitution with Nostradamus Flavor	1,131	Jan. 15, 2021, 4:45 p.m.
Double Column Transposition — Part 4	1,092	Jan. 15, 2021, 3:20 p.m.
Polyhomophonic Substitution — Part 3	1,433	April 20, 2020, 11:01 a.m.
Homophonic Encryption — Part 4	1,162	March 31, 2020, 6:24 p.m.
Homophonic Encryption — Part 3	1,162	March 31, 2020, 5:34 p.m.
Homophonic Encryption — Part 2	1,162	March 30, 2020, 7:13 p.m.
Homophonic Encryption — Part 1	1,162	March 29, 2020, 5:10 p.m.
Autokey Cipher	100	March 29, 2020, 3:53 p.m.
Polyhomophonic Substitution — Part 2	2,000	March 29, 2020, noon
Polyhomophonic Substitution — Part 1	117	March 27, 2020, 10:42 a.m.
Enigma Messages	100	Aug. 16, 2019, 12:40 p.m.
Cryptanalysis Hacking Puzzles — Part 2	100	Aug. 10, 2019, 5:49 p.m.
Cryptanalysis Hacking Puzzles — Part 1	100	Aug. 10, 2019, 5:08 p.m.
Advent Challenge — Part 4	1,824	Dec. 23, 2017, 9:15 a.m.
Advent-Challenge — Part 2	1,660	Dec. 20, 2017, 3:48 p.m.
Advent-Challenge — Part 1	109	Dec. 19, 2017, 11:02 a.m.
Kaskade-S/T — Part 3	1,093	Sept. 19, 2017, 2:29 p.m.
Image Noise	100	Sept. 12, 2017, 7:16 p.m.
Kaskade-S/T — Part 2	1,093	Sept. 11, 2017, 11:07 a.m.
Kaskade-S/T — Part 1	100	Sept. 10, 2017, 4:37 p.m.
M-138 — Part 3	1,128	Jan. 20, 2017, 9:22 a.m.
Spirale — Part 3	1,143	Jan. 19, 2017, 3:27 p.m.
Spirale — Part 2	1,143	Jan. 19, 2017, 3:23 p.m.
Spirale — Part 1	1,143	Jan. 19, 2017, 3:14 p.m.
M-138 — Part 2	1,128	Jan. 18, 2017, 11:36 a.m.
M-138 — Part 1	100	Jan. 17, 2017, 7:43 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid	100	July 25, 2016, 11:05 a.m.
Number Sequence — Part 8	100	July 24, 2016, 5:46 p.m.
Number Sequence — Part 6	100	July 24, 2016, 5:15 p.m.
Number Sequence — Part 4	100	July 23, 2016, 7:43 p.m.
Multilingual Monoalphabetic Substitution	100	July 23, 2016, 7:27 p.m.
Number Sequence — Part 3	100	July 23, 2016, 4:12 p.m.
Number Sequence — Part 2	100	July 23, 2016, 4:06 p.m.
Number Sequence	100	July 22, 2016, 11:14 a.m.
¿No Hablas Español? No problemo!	100	July 20, 2016, 10:53 a.m.
Double Column Transposition — Part 3	1,125	July 19, 2016, 6:50 p.m.
The Last Note	100	July 19, 2016, 3:53 p.m.
Cascading Encryption — Part 1/3	100	July 18, 2016, 4:52 p.m.
Recycled One-Time Pad	100	July 18, 2016, 12:33 p.m.
Molehunt (Part 3/3)	1,096	July 17, 2016, 8:58 a.m.
Molehunt (Part 2/3)	100	July 16, 2016, 4:02 p.m.
Molehunt (Part 1/3)	100	July 16, 2016, 12:48 p.m.
Trifid Cipher	100	July 10, 2016, 5:33 p.m.
Nils away on travel	100	July 10, 2016, 10:07 a.m.
Enigma Messages with Repeated Letters — Part 5	100	Oct. 22, 2015, 2:17 p.m.
Enigma Messages with Repeated Letters — Part 4	100	Oct. 22, 2015, 2:06 p.m.
Enigma Messages with Repeated Letters — Part 3	100	Oct. 22, 2015, 11:15 a.m.
Enigma Messages with Repeated Letters — Part 2	100	Oct. 22, 2015, 10:43 a.m.
Enigma Messages with Repeated Letters — Part 1	100	Oct. 22, 2015, 10 a.m.
Enigma Part 2	1,100	Oct. 17, 2015, 4:23 p.m.
Enigma Part 1	1,100	Oct. 10, 2015, 2:36 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space	1,100	Oct. 7, 2015, 3:59 p.m.
Monoalphabetic Substitution	100	Oct. 6, 2015, 3:11 p.m.
From Russia with Love	100	Oct. 5, 2015, 4:10 p.m.
Snow White and the seven dwarfs	100	Oct. 4, 2015, 4:40 p.m.
Reserve Hand Procedure — Part 1	100	Oct. 4, 2015, 3:54 p.m.
One-Time Pad with Flaws	100	Oct. 4, 2015, 2:37 p.m.
The Book Code: A Challenge for Bookworms	100	Oct. 4, 2015, 9:54 a.m.
Modified Caesar Cipher	100	Oct. 3, 2015, 4:21 p.m.
Grille Cipher	100	Oct. 3, 2015, 7:22 a.m.
Monoalphabetic substitution with camouflage — Part 1	100	Sept. 30, 2015, 2:23 p.m.
Caesar Encryption	100	Sept. 29, 2015, 8:40 a.m.
Beaver Code	100	Sept. 29, 2015, 8:06 a.m.
Not-so-Secret Message from Malawi — Part I (RSA)	1,101	July 29, 2015, 4:59 p.m.
Broadcasting and low exponent — RSA Attack	1,106	July 29, 2015, 3:11 p.m.
Alice's Birthday Party (Part 2)	1,101	July 29, 2015, 2:06 p.m.
Alice's Birthday Party (Part 1)	1,101	July 29, 2015, 10:31 a.m.
Playfair with hints about the grid	100	July 28, 2015, 1:14 p.m.
Playfair Encryption	100	July 28, 2015, 8:41 a.m.
Double Columnar Transposition	100	July 27, 2015, 8:13 a.m.
A modified homophonic cipher with reduced alphabets — Part 1	100	July 17, 2015, 12:21 p.m.
Pigpen with a twist — Part 1	100	July 16, 2015, 4:58 p.m.
Cracking SHA1-Hashed Passwords	1,104	July 16, 2015, 3:22 p.m.
Factorization Cipher — Part 2	1,109	July 16, 2015, 12:26 p.m.
Factorization Cipher — Part 1	100	July 15, 2015, 12:52 p.m.
Letter to the Templars — Part 3	1,118	July 15, 2015, 11:45 a.m.
Letter to the Templars — Part 2	100	July 15, 2015, 11:13 a.m.
Letter to the Templars — Part 1	100	July 14, 2015, 8:35 p.m.
Original Caesar Cipher	100	July 14, 2015, 3:20 p.m.