Account

Name
Peter Mustermann
Username
Gummiboot
Joined
July 9, 2011, 12:46 p.m.

Rank
28
Points
60,785
Trophies
Gold3
Silver2
Bronze1

Active Challenges (2)

LevelNameAttemptsDate
Modified Caesar Cipher13 / 20Oct. 10, 2021, 10:48 p.m.
Kaskade-S/T — Part 41 / 20Nov. 16, 2012, 9:32 p.m.

Solved Challenges (65)

LevelNamePointsDate
From Russia with Love100Oct. 10, 2021, 7:05 p.m.
Snow White and the seven dwarfs100Oct. 10, 2021, 2:46 p.m.
Number Sequence — Part 8100Oct. 9, 2021, 9:35 a.m.
Advent-Challenge — Part 1100Oct. 9, 2021, 8:55 a.m.
Grille Cipher100Oct. 8, 2021, 9:06 a.m.
A hidden word100Sept. 15, 2016, 6:19 p.m.
Beaver Code100Sept. 15, 2016, 6:10 p.m.
Double Column Transposition — Part 51,362July 16, 2014, 6:54 p.m.
Double Column Transposition — Part 21,252July 15, 2014, 5:29 p.m.
Double Column Transposition — Part 31,252July 15, 2014, 5:09 p.m.
Double Column Transposition — Part 11,229July 15, 2014, 4:29 p.m.
Substitution Cipher with Non-Prefix Codes13,959Jan. 14, 2013, 7:53 a.m.
Letter to the Templars — Part 31,310Nov. 16, 2012, 7:25 p.m.
Monoalphabetic Substitution with Camouflage — Part 61,209Nov. 16, 2012, 3:13 p.m.
Keyshanc — Part 21,239Aug. 18, 2012, 6:38 p.m.
Number Sequence — Part 4101Aug. 16, 2012, 6:37 p.m.
Number Sequence — Part 3101Aug. 16, 2012, 6:33 p.m.
Letter to the Templars — Part 2106Aug. 16, 2012, 6:27 p.m.
Letter to the Templars — Part 1103Aug. 16, 2012, 7:19 a.m.
Kaskade-S/T — Part 51,146Aug. 15, 2012, 5:17 p.m.
Keyshanc — Part 11,266July 23, 2012, 6:41 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,547March 16, 2012, 8:59 p.m.
Partial Key Exposure with RSA — Part 11,824Feb. 12, 2012, 2:49 p.m.
Smartcard RSA1,149Jan. 14, 2012, 12:11 p.m.
Double Columnar Transposition101Jan. 13, 2012, 5:52 p.m.
Molehunt (Part 3/3)1,148Jan. 13, 2012, 5:11 p.m.
Kaskade-S/T — Part 31,165Jan. 6, 2012, 2:53 p.m.
ADFGVX — Part 2101Dec. 30, 2011, 10:48 p.m.
An Invisible Message101Dec. 29, 2011, 2:09 p.m.
ADFGVX — Part 1101Dec. 28, 2011, 7:46 p.m.
Monoalphabetic substitution with camouflage — Part 31,391Dec. 25, 2011, 6:42 p.m.
Monoalphabetic substitution with camouflage — Part 21,398Dec. 25, 2011, 3:06 a.m.
Factorization Cipher — Part 21,367Dec. 24, 2011, 8:11 p.m.
Molehunt (Part 2/3)100Dec. 17, 2011, 11:45 p.m.
Molehunt (Part 1/3)100Dec. 12, 2011, 10:22 a.m.
Pigpen with a twist — Part 31,235Dec. 5, 2011, 4:19 p.m.
Pigpen with a twist — Part 21,238Nov. 30, 2011, 12:23 p.m.
Factorization Cipher — Part 1150Oct. 19, 2011, 10:50 a.m.
Pigpen with a twist — Part 1104Oct. 1, 2011, 4:34 p.m.
Unusual encryption using a diophantine equation1,469Sept. 12, 2011, 7:11 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid200Sept. 9, 2011, 1:31 p.m.
A really long number sequence1,660Sept. 9, 2011, 12:57 p.m.
Kaskade-S/T — Part 21,196Aug. 22, 2011, 2:17 p.m.
Purple 11,167Aug. 19, 2011, 7:18 p.m.
RSA: Two different keys — same ciphertext1,824Aug. 16, 2011, 10:09 p.m.
Kaskade-S/T — Part 1101Aug. 16, 2011, 1:06 p.m.
Hybrid Encryption I1,169Aug. 13, 2011, 1:11 a.m.
Enigma Part 21,166Aug. 12, 2011, 11:31 p.m.
Enigma Part 11,169July 28, 2011, 11:26 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,169July 24, 2011, 9:20 p.m.
Broadcasting and low exponent — RSA Attack2,000July 23, 2011, 3:36 p.m.
Alice's Birthday Party (Part 2)1,169July 23, 2011, 3:03 p.m.
Alice's Birthday Party (Part 1)1,170July 23, 2011, 12:41 p.m.
A Secret Message from Castle Mansfeld100July 17, 2011, 3:29 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,171July 16, 2011, 6:46 p.m.
Letter from the Alleged Countess Julie von Ortenburg100July 16, 2011, 3:39 p.m.
One-Time Pad with Flaws100July 15, 2011, 10:20 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100July 15, 2011, 6:27 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100July 15, 2011, 5:26 p.m.
Cracking SHA1-Hashed Passwords1,230July 14, 2011, 4:42 p.m.
Monoalphabetic Substitution100July 12, 2011, 11:02 a.m.
Number Sequence — Part 2200July 11, 2011, 7:09 p.m.
Original Caesar Cipher100July 9, 2011, 4:47 p.m.
Caesar Encryption100July 9, 2011, 4:23 p.m.
Number Sequence100July 9, 2011, 3:03 p.m.

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