Account

Name
Stephan
Username
Stephje1978
Joined
May 4, 2019, 9:37 a.m.

Rank
72
Points
27,064
Trophies
Gold0
Silver0
Bronze0

Active Challenges (1)

LevelNameAttemptsDate
Enigma Messages with Repeated Letters — Part 11 / 3Aug. 24, 2019, 7:39 p.m.

Solved Challenges (80)

LevelNamePointsDate
Lightweight Introduction to Lattices — Part 1103June 20, 2020, 1:42 a.m.
New Year's Greetings — Part 3100Sept. 2, 2019, 9:53 p.m.
ECDH-Key Exchange for Beginners100Sept. 1, 2019, 1:58 a.m.
New Year's Greetings — Part 2100Aug. 25, 2019, 11:35 p.m.
New Year's Greetings — Part 1100Aug. 25, 2019, 11:20 p.m.
News from Castle Mansfeld100Aug. 25, 2019, 10:14 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Aug. 24, 2019, 7:38 p.m.
Hybrid Encryption I1,086Aug. 23, 2019, 10:06 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,086Aug. 23, 2019, 6:51 p.m.
RSA: Two different keys — same ciphertext1,088Aug. 18, 2019, 11:44 a.m.
Autokey Cipher100Aug. 17, 2019, 7:02 p.m.
BCR code (Book-Caesar-RSA)1,092Aug. 17, 2019, 1:25 p.m.
Cryptanalysis Hacking Puzzles — Part 2100Aug. 11, 2019, 7:22 p.m.
Multilingual Monoalphabetic Substitution100July 26, 2019, 10:16 a.m.
Broadcasting and low exponent — RSA Attack1,088July 22, 2019, 8:42 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100July 21, 2019, 12:29 a.m.
Number Sequence — Part 7100July 20, 2019, 9:19 p.m.
Number Sequence — Part 9100July 20, 2019, 8:54 p.m.
Homophonic Encryption — Part 41,254July 20, 2019, 7:51 p.m.
Homophonic Encryption — Part 11,249July 20, 2019, 7:47 p.m.
Homophonic Encryption — Part 31,254July 20, 2019, 7:44 p.m.
Homophonic Encryption — Part 21,254July 20, 2019, 6:47 p.m.
Alice's Birthday Party (Part 2)1,086July 20, 2019, 6:16 p.m.
Playfair with hints about the grid100July 20, 2019, 1:19 p.m.
Playfair Encryption100July 20, 2019, 1:12 p.m.
Modular Sequences100July 16, 2019, 8:26 p.m.
Cascading Encryption — Part 1/3100July 15, 2019, 8:12 p.m.
Double Columnar Transposition100July 15, 2019, 1:06 a.m.
Molehunt (Part 3/3)1,086July 14, 2019, 7:31 p.m.
Molehunt (Part 2/3)100July 13, 2019, 4:59 p.m.
Molehunt (Part 1/3)100July 12, 2019, 7:53 p.m.
¿No Hablas Español? No problemo!100July 11, 2019, 10:49 p.m.
A really long number sequence1,088July 11, 2019, 8:14 p.m.
M-138 — Part 31,103July 10, 2019, 7:27 p.m.
Nils away on travel100July 7, 2019, 3:57 p.m.
A Secret Message from Castle Mansfeld100July 7, 2019, 1:20 p.m.
Alice's Birthday Party (Part 1)1,086July 5, 2019, 8:53 p.m.
Number Sequence — Part 6100July 4, 2019, 8:20 p.m.
A hidden word — Part 2100July 4, 2019, 7:59 p.m.
Number Sequence — Part 5100July 4, 2019, 7:43 p.m.
M-138 — Part 21,103June 29, 2019, 8:32 p.m.
M-138 — Part 1100June 27, 2019, 10:08 p.m.
Snow White and the seven dwarfs100June 27, 2019, 8:40 p.m.
Factorization Cipher — Part 31,090June 27, 2019, 7:27 p.m.
One-Time Pad with Flaws100June 24, 2019, 5:55 p.m.
Classical Ciphers^3100June 24, 2019, 2:06 a.m.
Monoalphabetic Substitution100June 23, 2019, 8:50 p.m.
Cracking SHA1-Hashed Passwords1,087June 23, 2019, 7:19 p.m.
From Russia with Love100June 23, 2019, 6:20 p.m.
ADFGVX — Part 1100June 23, 2019, 5:19 p.m.
RSA Factoring Challenge: RSA-2200June 23, 2019, 4:51 p.m.
RSA Factoring Challenge: RSA-2100June 23, 2019, 4:50 p.m.
RSA Factoring Challenge: RSA-7040June 23, 2019, 4:48 p.m.
RSA Factoring Challenge: RSA-2300June 23, 2019, 4:45 p.m.
How do you become a big cryptographer?100June 23, 2019, 4:17 p.m.
ADFGVX — Part 2100June 23, 2019, 2:52 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100June 23, 2019, 1:53 a.m.
Pigpen with a twist — Part 1100June 22, 2019, 6:09 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100June 22, 2019, 11:15 a.m.
Factorization Cipher — Part 21,089June 21, 2019, 9:19 p.m.
Modified Caesar Cipher100June 20, 2019, 11:32 p.m.
Number Sequence — Part 3100June 20, 2019, 6:31 p.m.
Number Sequence100June 20, 2019, 12:48 a.m.
Grille Cipher100June 19, 2019, 1:11 a.m.
Factorization Cipher — Part 1100June 19, 2019, 12:42 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100June 18, 2019, 10:45 p.m.
Caesar Encryption100June 18, 2019, 10 p.m.
Number Sequence — Part 2100June 18, 2019, 9:31 p.m.
Original Caesar Cipher100June 18, 2019, 9:30 p.m.
Letter to the Templars — Part 31,092June 18, 2019, 8:41 p.m.
Number Sequence — Part 4100June 10, 2019, 1:21 a.m.
Letter to the Templars — Part 2100June 9, 2019, 11:54 p.m.
Beaver Code100June 9, 2019, 11:30 p.m.
A hidden word100June 9, 2019, 7:19 p.m.
Reserve Hand Procedure — Part 1100June 9, 2019, 5:15 p.m.
Trifid Cipher100June 9, 2019, 1:09 p.m.
Number Sequence — Part 8100June 2, 2019, 11:40 p.m.
Advent-Challenge — Part 1100June 2, 2019, 10:47 p.m.
Number Sequence — Part 10100June 2, 2019, 9:07 p.m.
Letter to the Templars — Part 1100May 4, 2019, 1:04 p.m.

Currently 21 guests and 0 members are online.
Powered by the CrypTool project
© 2009-2021 MysteryTwister team