Account

Name
Hans Joachim Girulat
Username
joregi
Joined
March 13, 2013, 6:26 p.m.

Rank
57
Points
36,278
Trophies
Gold0
Silver0
Bronze0

Active Challenges (1)

LevelNameAttemptsDate
A really long number sequence3 / 40June 9, 2013, 8:09 p.m.

Solved Challenges (98)

LevelNamePointsDate
Homophonic Encryption — Part 11,261July 9, 2019, 3:30 p.m.
Monoalphabetic Substitution with Nostradamus Flavor1,223June 7, 2019, 10:57 p.m.
Cryptanalysis Hacking Puzzles — Part 2101May 28, 2019, 10:20 p.m.
Cryptanalysis Hacking Puzzles — Part 1100May 28, 2019, 3:38 p.m.
Autokey Cipher100May 23, 2019, 7:57 p.m.
Advent Challenge — Part 41,178Aug. 18, 2018, 6:12 p.m.
Advent-Challenge — Part 21,177Aug. 16, 2018, 11:28 p.m.
Summer Job1,278Aug. 5, 2018, 5:41 p.m.
The Einstein Enigma1,197July 27, 2018, 7:49 p.m.
Number Sequence — Part 10101July 27, 2018, 3:41 p.m.
Advent-Challenge — Part 1100July 27, 2018, 2:02 p.m.
Heartbleed — Part 2100March 9, 2017, 8:34 p.m.
Heartbleed — Part 1 100March 8, 2017, 8:08 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,093March 8, 2017, 1:59 p.m.
Double Column Transposition — Part 11,116March 8, 2017, 12:49 a.m.
Hybrid Encryption I1,094March 2, 2017, 6:15 p.m.
Cracking SHA1-Hashed Passwords1,096Feb. 28, 2017, 9:18 p.m.
Broadcasting and low exponent — RSA Attack1,097Feb. 26, 2017, 12:56 a.m.
Alice's Birthday Party (Part 2)1,094Feb. 25, 2017, 7:40 p.m.
Alice's Birthday Party (Part 1)1,094Feb. 18, 2017, 12:09 a.m.
Zodiac Cipher100May 19, 2016, 2:17 p.m.
New Year's Greetings — Part 4103April 24, 2016, 1:29 p.m.
New Year's Greetings — Part 3103April 23, 2016, 11:11 p.m.
New Year's Greetings — Part 2103April 23, 2016, 10:57 p.m.
New Year's Greetings — Part 1103April 23, 2016, 10:36 p.m.
Double Columnar Transposition100Jan. 20, 2016, 2:44 p.m.
Number Sequence — Part 8101Jan. 16, 2016, 4:10 p.m.
Image Noise102Jan. 16, 2016, 3:20 p.m.
News from Castle Mansfeld102Jan. 4, 2016, 6:37 p.m.
BCR code (Book-Caesar-RSA)1,114Nov. 9, 2015, 8:16 p.m.
Weakened Granit — Part 1102Nov. 7, 2015, 9:32 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,100Oct. 23, 2015, 10:42 p.m.
Number Sequence — Part 6101Aug. 14, 2015, 8:30 p.m.
Recycled One-Time Pad100Aug. 11, 2015, 2:52 p.m.
Playfair Encryption100July 16, 2015, 3:05 p.m.
Strange Message from Thessaloniki100July 16, 2015, 2:07 p.m.
Playfair with hints about the grid100July 12, 2015, 6:21 p.m.
Enigma Messages100July 8, 2015, 10:53 p.m.
Hill Cipher with Sudoku Key100July 8, 2015, 4:50 p.m.
Pigpen with a twist — Part 21,108June 24, 2015, 8:03 p.m.
Multilingual Monoalphabetic Substitution100June 2, 2015, 5:04 p.m.
Trifid Cipher100April 21, 2015, 9:26 a.m.
A hidden word — Part 2125April 19, 2015, 7:26 p.m.
Turing Bombe Enigma I100April 16, 2015, 11:40 p.m.
Enigma Part 21,103April 10, 2015, 1:34 a.m.
Enigma Part 11,103April 5, 2015, 10:13 p.m.
Enigma Messages with Repeated Letters — Part 5100April 4, 2015, 10:12 p.m.
Enigma Messages with Repeated Letters — Part 4100April 4, 2015, 10:05 p.m.
Enigma Messages with Repeated Letters — Part 3100April 3, 2015, 4:20 p.m.
Enigma Messages with Repeated Letters — Part 2100April 2, 2015, 10:45 p.m.
Enigma Messages with Repeated Letters — Part 1100March 30, 2015, 8:17 p.m.
Number Sequence — Part 3100Feb. 13, 2015, 9:43 p.m.
M-138 — Part 31,286Feb. 11, 2015, 9:29 a.m.
Factorization Cipher — Part 31,115Jan. 19, 2015, 3:40 p.m.
Monoalphabetic substitution with camouflage — Part 21,114Jan. 16, 2015, 5:07 p.m.
Monoalphabetic substitution with camouflage — Part 1100Jan. 12, 2015, 9:13 p.m.
From Russia with Love100Jan. 12, 2015, midnight
M-138 — Part 21,406Jan. 9, 2015, 11:42 p.m.
M-138 — Part 1106Jan. 8, 2015, 10:59 a.m.
¿No Hablas Español? No problemo!100Jan. 7, 2015, 11:27 p.m.
Nils away on travel100Jan. 7, 2015, 11 p.m.
The Last Note101Jan. 7, 2015, 10:19 p.m.
Molehunt (Part 2/3)100Aug. 28, 2013, 9:24 p.m.
Molehunt (Part 1/3)100Aug. 28, 2013, 8:50 p.m.
The Book Code: A Challenge for Bookworms100Aug. 5, 2013, 8:30 p.m.
Cascading Encryption — Part 1/3101July 19, 2013, 12:52 p.m.
Reserve Hand Procedure — Part 1101July 16, 2013, 10:44 a.m.
ADFGVX — Part 2100July 7, 2013, 7:50 p.m.
ADFGVX — Part 1100July 7, 2013, 6:32 p.m.
An 'unhearable' message100June 6, 2013, 6:15 p.m.
Snow White and the seven dwarfs102June 2, 2013, 3:31 p.m.
Pigpen with a twist — Part 1100May 29, 2013, 10:33 p.m.
Factorization Cipher — Part 21,140May 27, 2013, 11:37 p.m.
A Secret Message from Castle Mansfeld100April 29, 2013, 10:14 p.m.
An Invisible Message100April 29, 2013, 4:47 p.m.
Number Sequence — Part 4100April 26, 2013, 7:56 a.m.
Music Code — Part 21,131April 9, 2013, 10:58 p.m.
Music Code — Part 1100April 4, 2013, 10:59 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100April 4, 2013, 7:06 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100April 4, 2013, 5:49 p.m.
Modified Caesar Cipher100April 3, 2013, 6:42 p.m.
Classical Ciphers^3100April 3, 2013, 10:36 a.m.
Letter from the Alleged Countess Julie von Ortenburg100March 27, 2013, 10:27 p.m.
How do you become a big cryptographer?100March 24, 2013, 1:15 a.m.
Grille Cipher100March 23, 2013, 11:10 p.m.
One-Time Pad with Flaws100March 21, 2013, 9:31 p.m.
Factorization Cipher — Part 1100March 19, 2013, 10:41 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100March 16, 2013, 11:34 p.m.
Beaver Code100March 16, 2013, 10:46 p.m.
Number Sequence100March 16, 2013, 8:06 p.m.
Letter to the Templars — Part 31,201March 15, 2013, 7:02 p.m.
Letter to the Templars — Part 2100March 15, 2013, 6:18 p.m.
Letter to the Templars — Part 1100March 15, 2013, 5:53 p.m.
A hidden word101March 15, 2013, 1:16 p.m.
Caesar Encryption100March 15, 2013, 12:57 p.m.
Monoalphabetic Substitution100March 13, 2013, 11:05 p.m.
Number Sequence — Part 2100March 13, 2013, 8:49 p.m.
Original Caesar Cipher100March 13, 2013, 8:35 p.m.

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