Account

Name
Somebody
Username
Achidutzu
Joined
March 9, 2019, 9:15 p.m.

Points
28,238
Rank
78
Trophies
Gold0
Silver0
Bronze0

Progress
Level I Challenges
63 / 93
Level II Challenges
20 / 179
Level III Challenges
0 / 77
Level X Challenges
0 / 18

Active Challenges (1)

LevelNameAttemptsDate
Enigma Combinatorics2 / 20Aug. 25, 2021, 8:31 p.m.

Solved Challenges (83)

LevelNamePointsDate
News from Castle Mansfeld100Jan. 13, 2024, 2:16 p.m.
A Secret Message from Castle Mansfeld100Jan. 13, 2024, 2:04 p.m.
Broadcasting and low exponent — RSA Attack1,078Oct. 5, 2023, 8:23 p.m.
Alice's Birthday Party (Part 2)1,077Oct. 4, 2023, 7:46 p.m.
Alice's Birthday Party (Part 1)1,077Oct. 3, 2023, 7:59 p.m.
Alberti Challenge — Part 21,154June 11, 2023, 6:02 a.m.
Weakened Granit — Part 1100Dec. 3, 2022, 6:16 a.m.
Playfair with hints about the grid100Dec. 1, 2022, 8:11 p.m.
Playfair Encryption100Dec. 1, 2022, 7:53 p.m.
Merkle-Hellman Knapsack Challenge - Part 1102Nov. 24, 2022, 2:36 p.m.
Trifid Cipher100Nov. 22, 2022, 7:01 p.m.
Pigpen with a twist — Part 1100Nov. 20, 2022, 5:54 a.m.
¿No Hablas Español? No problemo!100Nov. 18, 2022, 6:59 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Nov. 18, 2022, 3:21 p.m.
The T52 Sturgeon Challenge — Part 21,114Sept. 5, 2022, 8:48 a.m.
Molehunt (Part 3/3)1,079Aug. 30, 2022, 12:15 p.m.
Molehunt (Part 2/3)100July 8, 2022, 11:47 a.m.
Molehunt (Part 1/3)100July 8, 2022, 9:14 a.m.
Modular Sequences100June 29, 2022, 8:46 p.m.
Alberti Challenge — Part 1107April 10, 2022, 4 p.m.
The T52 Sturgeon Challenge — Part 11,121Jan. 7, 2022, 11:40 p.m.
Nils away on travel100Nov. 21, 2021, 4:37 a.m.
Enigma Part 21,081Nov. 9, 2021, 2:39 p.m.
Enigma Part 11,081Nov. 5, 2021, 2:54 p.m.
Enigma Messages100Sept. 19, 2021, 1:12 p.m.
Turing Bombe Enigma I100Sept. 1, 2021, 8:11 p.m.
Enigma Messages with Repeated Letters — Part 5100Aug. 25, 2021, 7:40 p.m.
Enigma Messages with Repeated Letters — Part 4100Aug. 25, 2021, 7:36 p.m.
Enigma Messages with Repeated Letters — Part 3100Aug. 16, 2021, 8:32 a.m.
Enigma Messages with Repeated Letters — Part 2100Aug. 16, 2021, 8:07 a.m.
Enigma Messages with Repeated Letters — Part 1100Aug. 15, 2021, 6:42 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,084July 20, 2021, 2:17 p.m.
Hill Cipher with Sudoku Key100July 18, 2021, 6:52 p.m.
Multilingual Monoalphabetic Substitution100July 16, 2021, 6:41 p.m.
Wheatstone Cryptograph — Part 1102June 9, 2021, 4:01 p.m.
Reserve Hand Procedure — Part 1100May 31, 2021, 1:03 p.m.
How do you become a big cryptographer?100May 30, 2021, 3:39 p.m.
ADFGVX — Part 2100April 26, 2021, 12:10 p.m.
ADFGVX — Part 1100April 26, 2021, 11:02 a.m.
Summer Job1,117April 25, 2021, 9:14 p.m.
M-138 — Part 41,094March 19, 2021, 10:22 p.m.
M-138 — Part 31,094March 19, 2021, 8:06 p.m.
Number Sequence — Part 5100March 14, 2021, 2:23 p.m.
M-138 — Part 21,094March 3, 2021, 6:01 p.m.
M-138 — Part 1100March 2, 2021, 8:01 a.m.
Snow White and the seven dwarfs100March 2, 2021, 6:47 a.m.
Image Noise100March 1, 2021, 8:43 p.m.
From Russia with Love100March 1, 2021, 6:58 p.m.
Unusual encryption using a diophantine equation1,084Feb. 24, 2021, 2 p.m.
Double Columnar Transposition100Feb. 21, 2021, 8:07 p.m.
Classical Ciphers^3100Feb. 19, 2021, 9:55 a.m.
Find the right route — Part 1101Feb. 18, 2021, 2:15 p.m.
One-Time Pad with Flaws100Feb. 17, 2021, 9:54 p.m.
Monoalphabetic substitution with camouflage — Part 4100Feb. 17, 2021, 2:53 p.m.
Monoalphabetic substitution with camouflage — Part 31,085Feb. 4, 2021, 12:24 p.m.
Modified Caesar Cipher100Feb. 4, 2021, 6:51 a.m.
Monoalphabetic substitution with camouflage — Part 21,085Jan. 30, 2021, 8:09 a.m.
Monoalphabetic substitution with camouflage — Part 1100Jan. 23, 2021, 10:03 p.m.
Monoalphabetic Substitution with Nostradamus Flavor1,146June 7, 2020, 8:54 p.m.
Advent-Challenge — Part 1100May 24, 2020, 1:22 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100May 24, 2020, 1:11 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100May 23, 2020, 7:06 p.m.
Grille Cipher100May 23, 2020, 12:31 p.m.
Factorization Cipher — Part 1100May 23, 2020, 7:37 a.m.
Cracking SHA1-Hashed Passwords1,085May 21, 2020, 4:18 p.m.
Monoalphabetic Substitution100June 2, 2019, 8:31 a.m.
Letter to the Templars — Part 31,093June 1, 2019, 10:15 p.m.
Letter to the Templars — Part 2100June 1, 2019, 9:46 p.m.
Letter to the Templars — Part 1100June 1, 2019, 5:57 p.m.
Beaver Code100June 1, 2019, 4:44 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100June 1, 2019, 8:38 a.m.
Caesar Encryption100May 31, 2019, 8:53 p.m.
Number Sequence — Part 8100May 31, 2019, 7:19 p.m.
Number Sequence — Part 6100May 31, 2019, 7:13 p.m.
Number Sequence — Part 9100May 31, 2019, 7 p.m.
Number Sequence — Part 4100May 29, 2019, 1:05 p.m.
Number Sequence — Part 3100May 29, 2019, 12:57 p.m.
Number Sequence — Part 2100May 29, 2019, 6:59 a.m.
Number Sequence100May 28, 2019, 9:20 p.m.
A hidden word100April 11, 2019, 10:01 a.m.
Original Caesar Cipher100March 15, 2019, 10:47 p.m.
Autokey Cipher101March 15, 2019, 10:17 p.m.
Cryptanalysis Hacking Puzzles — Part 2102March 11, 2019, 3:41 p.m.

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