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Name

Mike

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RogueRamblers

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March 11, 2019, 2:56 p.m.

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106,079

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Active Challenges (1)

Level	Name	Attempts	Date
	Partial Key Exposure with RSA — Part 1	1 / 15	May 31, 2022, 4:47 p.m.

Solved Challenges (156)

Name	Points	Date
The Hutton Cipher – Part 1	1,211	Sept. 14, 2023, 12:17 a.m.
Polyhomophonic Substitution — Part 2	1,118	Dec. 18, 2022, 2:27 a.m.
The Syllabary Cipher – Part 3	1,327	Nov. 29, 2022, 11:12 p.m.
The Syllabary Cipher – Part 2	1,333	Nov. 27, 2022, 3:20 p.m.
The Syllabary Cipher – Part 1	104	Nov. 23, 2022, 2:09 a.m.
The T52 Sturgeon Challenge — Part 10	1,116	July 2, 2022, 3:53 p.m.
Spanish Strip Cipher — Part 2	1,087	June 7, 2022, 7:11 p.m.
Monoalphabetic Substitution with Camouflage — Part 5	1,082	June 4, 2022, 5:49 p.m.
A Cloaked Substitution Cipher — Part 2	1,118	June 4, 2022, 1:49 a.m.
A Cloaked Substitution Cipher — Part 1	1,118	June 3, 2022, 5:21 p.m.
The SZ42 Challenge — Part 12	1,180	May 24, 2022, 10:13 p.m.
The SZ42 Challenge — Part 13	1,180	May 24, 2022, 7:05 p.m.
The SZ42 Challenge — Part 9	1,142	May 19, 2022, 5:37 p.m.
The SZ42 Challenge — Part 8	1,139	May 19, 2022, 2:39 a.m.
The SZ42 Challenge — Part 7	1,139	May 19, 2022, 12:51 a.m.
The SZ42 Challenge — Part 6	1,137	May 16, 2022, 5:24 p.m.
The SZ42 Challenge — Part 5	1,135	May 16, 2022, 1:49 a.m.
The SZ42 Challenge — Part 4	1,135	May 16, 2022, 1:39 a.m.
The SZ42 Challenge — Part 3	1,134	May 13, 2022, 9:23 p.m.
The SZ42 Challenge — Part 2	1,134	May 13, 2022, 7:28 p.m.
The SZ42 Challenge — Part 1	1,133	May 13, 2022, 2:20 a.m.
Wheatstone Cryptograph — Part 2	1,160	April 30, 2022, 1:13 a.m.
Alberti Challenge — Part 1	103	April 29, 2022, 4:51 p.m.
The T52 Sturgeon Challenge — Part 9	1,130	July 18, 2021, 2:40 a.m.
The T52 Sturgeon Challenge — Part 5	1,131	July 9, 2021, 2:40 a.m.
The T52 Sturgeon Challenge — Part 4	1,130	July 7, 2021, 3:17 a.m.
The T52 Sturgeon Challenge — Part 7	1,131	July 4, 2021, 11:26 p.m.
The T52 Sturgeon Challenge — Part 6	1,131	July 2, 2021, 2:45 a.m.
The T52 Sturgeon Challenge — Part 8	1,132	June 21, 2021, 1:44 a.m.
The T52 Sturgeon Challenge — Part 12	1,132	June 21, 2021, 1:26 a.m.
The T52 Sturgeon Challenge — Part 11	1,132	June 21, 2021, 1:20 a.m.
The T52 Sturgeon Challenge — Part 3	1,131	June 17, 2021, 1:02 a.m.
The T52 Sturgeon Challenge — Part 2	1,131	June 16, 2021, 12:47 a.m.
The T52 Sturgeon Challenge — Part 1	1,131	June 8, 2021, 7:03 p.m.
Wheatstone Cryptograph — Part 1	102	June 1, 2021, 6:17 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme	1,082	March 6, 2021, 5:23 p.m.
Homophonic Encryption — Part 4	1,134	Feb. 8, 2021, 5:02 p.m.
Homophonic Encryption — Part 2	1,134	Jan. 31, 2021, 1:44 a.m.
Homophonic Encryption — Part 3	1,134	Jan. 31, 2021, 1:22 a.m.
Homophonic Encryption — Part 1	1,134	Jan. 30, 2021, 7:02 p.m.
Molehunt (Part 3/3)	1,083	Nov. 12, 2020, 2:12 a.m.
The Einstein Enigma	1,118	Nov. 11, 2020, 6:32 p.m.
Monoalphabetic substitution with camouflage — Part 4	100	Nov. 5, 2020, 12:27 a.m.
Monoalphabetic substitution with camouflage — Part 3	1,085	Nov. 4, 2020, 10:03 p.m.
Monoalphabetic substitution with camouflage — Part 2	1,085	Nov. 4, 2020, 1:43 a.m.
Keyshanc — Part 2	1,087	Nov. 1, 2020, 11 p.m.
Find the right route — Part 1	200	Oct. 28, 2020, 4:33 p.m.
Keyshanc — Part 1	1,087	Oct. 28, 2020, 1:22 a.m.
ECDH-Key Exchange for Beginners	100	Aug. 15, 2020, 12:56 a.m.
Typex — Part 2	1,090	July 25, 2020, 5:21 p.m.
Typex — Part 1	1,090	July 12, 2020, 3:10 a.m.
Sigaba Part 1	1,084	June 9, 2020, 3:59 p.m.
Ku Klux Klan	1,000	May 23, 2020, 5:24 p.m.
Cryptanalysis Hacking Puzzles — Part 1	100	May 18, 2020, 11:47 p.m.
Lightweight Introduction to Lattices — Part 1	133	May 18, 2020, 10:27 p.m.
Monoalphabetic Substitution with Nostradamus Flavor	1,147	May 18, 2020, 2:13 a.m.
Polyhomophonic Substitution — Part 1	102	May 14, 2020, 1:28 a.m.
Cipher ID — Part 1	1,195	May 12, 2020, 2:33 a.m.
Music Code — Part 2	1,085	May 1, 2020, 6:12 p.m.
Music Code — Part 1	100	May 1, 2020, 6:11 p.m.
An 'unhearable' message	100	April 30, 2020, 8:12 p.m.
A Secret Message from Castle Mansfeld	100	April 30, 2020, 12:11 a.m.
Cascading Encryption — Part 1/3	100	March 28, 2020, 9:28 p.m.
Monoalphabetic substitution with camouflage — Part 1	100	March 27, 2020, 12:35 a.m.
Modular Sequences	100	March 24, 2020, 1:03 a.m.
Multilingual Monoalphabetic Substitution	100	March 21, 2020, 8:40 p.m.
Zodiac Cipher	100	March 21, 2020, 5:12 p.m.
CMEA 2	13,128	Dec. 31, 2019, 12:27 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1	100	Dec. 30, 2019, 2:09 a.m.
CMEA 1	1,085	Nov. 25, 2019, 1:19 a.m.
ORYX Stream Cipher — Part 3 (revised)	1,093	Nov. 16, 2019, 1:01 a.m.
ORYX Stream Cipher Part II	1,085	Nov. 8, 2019, 1:56 a.m.
ORYX Stream Cipher Part I	1,085	Nov. 7, 2019, 5:17 p.m.
Number Sequence — Part 5	100	Oct. 30, 2019, 10:13 p.m.
Number Sequence — Part 9	100	Oct. 30, 2019, 9:59 p.m.
Number Sequence — Part 6	100	Oct. 30, 2019, 9:49 p.m.
Double Column Transposition — Part 1	1,098	Sept. 3, 2019, 11:13 p.m.
Double Column Transposition — Part 3	1,098	Sept. 3, 2019, 1:36 a.m.
Double Column Transposition — Part 2	1,098	Sept. 3, 2019, 1:29 a.m.
Cryptanalysis Hacking Puzzles — Part 2	100	Aug. 29, 2019, 12:43 a.m.
Hill Cipher with Sudoku Key	100	Aug. 2, 2019, 11:17 p.m.
Double Column Transposition — Part 4	1,099	July 18, 2019, 11:07 p.m.
Double Columnar Transposition	100	July 18, 2019, 2:53 a.m.
ADFGVX — Part 1	100	July 14, 2019, 5:23 p.m.
Kaskade-S/T — Part 2	1,087	July 8, 2019, 3:06 a.m.
Kaskade-S/T — Part 1	100	July 5, 2019, 1:58 a.m.
Image Noise	100	June 29, 2019, 1:54 a.m.
Trifid Cipher	100	June 28, 2019, 5:32 p.m.
Recycled One-Time Pad	100	June 28, 2019, 1:58 a.m.
Factorization Cipher — Part 3	1,090	June 27, 2019, 4:23 p.m.
ADFGVX — Part 2	100	June 26, 2019, 2:45 a.m.
Factorization Cipher — Part 2	1,089	June 25, 2019, 4:23 p.m.
Number Sequence — Part 7	100	June 24, 2019, 11:10 p.m.
Number Sequence — Part 10	100	June 24, 2019, 10:39 p.m.
An Invisible Message	100	June 24, 2019, 5:28 p.m.
The Last Note	100	June 22, 2019, 1:53 a.m.
Autokey Cipher	100	June 22, 2019, 1:28 a.m.
A really long number sequence	1,089	June 19, 2019, 10:50 p.m.
RSA: Two different keys — same ciphertext	1,088	June 17, 2019, 4:29 p.m.
Hybrid Encryption I	1,086	June 10, 2019, 11:06 p.m.
Molehunt (Part 2/3)	100	June 9, 2019, 11:35 p.m.
Molehunt (Part 1/3)	100	June 9, 2019, 11:23 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space	1,086	June 7, 2019, 8:35 p.m.
Classical Ciphers^3	100	June 6, 2019, 6:56 p.m.
A hidden word — Part 2	100	May 30, 2019, 7:49 p.m.
¿No Hablas Español? No problemo!	100	May 29, 2019, 10:19 p.m.
The Book Code: A Challenge for Bookworms	100	May 29, 2019, 1:18 a.m.
Letter from the Alleged Countess Julie von Ortenburg	100	May 28, 2019, 2:36 a.m.
Not-so-Secret Message from Malawi — Part I (RSA)	1,086	May 27, 2019, 4:43 p.m.
Broadcasting and low exponent — RSA Attack	1,088	May 27, 2019, 2:41 a.m.
Alice's Birthday Party (Part 2)	1,086	May 27, 2019, 2:24 a.m.
Pigpen with a twist — Part 1	100	May 18, 2019, 3:35 p.m.
Nils away on travel	100	May 18, 2019, 1:16 a.m.
Reserve Hand Procedure — Part 1	100	May 18, 2019, 12:31 a.m.
Alice's Birthday Party (Part 1)	1,086	May 16, 2019, 8:49 p.m.
Monoalphabetic Substitution	100	May 16, 2019, 12:56 a.m.
M-138 — Part 3	1,104	May 14, 2019, 2:23 a.m.
Turing Bombe Enigma I	100	May 10, 2019, 10:37 p.m.
Enigma Messages with Repeated Letters — Part 4	100	May 10, 2019, 10:23 p.m.
Enigma Messages with Repeated Letters — Part 5	100	May 10, 2019, 8:26 p.m.
Enigma Messages with Repeated Letters — Part 2	100	May 10, 2019, 8:18 p.m.
Enigma Messages with Repeated Letters — Part 3	100	April 26, 2019, 5:40 p.m.
Enigma Messages with Repeated Letters — Part 1	100	March 21, 2019, 12:55 a.m.
M-138 — Part 2	1,105	March 20, 2019, 6:42 p.m.
M-138 — Part 1	100	March 20, 2019, 5:37 p.m.
Enigma Part 1	1,087	March 16, 2019, 7:03 a.m.
Enigma Part 2	1,087	March 16, 2019, 2:47 a.m.
Modified Caesar Cipher	100	March 15, 2019, 7:04 p.m.
How do you become a big cryptographer?	100	March 14, 2019, 9:38 p.m.
From Russia with Love	100	March 14, 2019, 9 p.m.
Number Sequence — Part 8	100	March 14, 2019, 3:49 p.m.
Snow White and the seven dwarfs	100	March 14, 2019, 3:37 p.m.
One-Time Pad with Flaws	100	March 14, 2019, 1:21 a.m.
A modified homophonic cipher with reduced alphabets — Part 2	100	March 14, 2019, 12:29 a.m.
A modified homophonic cipher with reduced alphabets — Part 1	100	March 14, 2019, midnight
Grille Cipher	100	March 13, 2019, 11:31 p.m.
Factorization Cipher — Part 1	100	March 13, 2019, 10:38 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid	100	March 13, 2019, 10:13 p.m.
Cracking SHA1-Hashed Passwords	1,088	March 13, 2019, 7:32 p.m.
Letter to the Templars — Part 3	1,093	March 13, 2019, 5:10 p.m.
A hidden word	100	March 13, 2019, 4:36 p.m.
Number Sequence — Part 4	100	March 13, 2019, 4:33 p.m.
Number Sequence — Part 3	100	March 13, 2019, 4:19 p.m.
Letter to the Templars — Part 2	100	March 13, 2019, 2:12 a.m.
Advent-Challenge — Part 1	100	March 12, 2019, 1:17 a.m.
Enigma Combinatorics	100	March 12, 2019, 1:11 a.m.
Enigma Messages	100	March 11, 2019, 9:26 p.m.
Playfair with hints about the grid	100	March 11, 2019, 8:19 p.m.
Purple 1	1,087	March 11, 2019, 7:42 p.m.
Playfair Encryption	100	March 11, 2019, 6:54 p.m.
Letter to the Templars — Part 1	100	March 11, 2019, 6:48 p.m.
Beaver Code	100	March 11, 2019, 5:24 p.m.
Caesar Encryption	100	March 11, 2019, 5:19 p.m.
Number Sequence — Part 2	100	March 11, 2019, 4:09 p.m.
Original Caesar Cipher	100	March 11, 2019, 4:06 p.m.
Number Sequence	100	March 11, 2019, 4:01 p.m.