Account

Name
gordon
Username
sir5
Joined
April 3, 2021, 7:10 p.m.

Rank
116
Points
16,181
Trophies
Gold0
Silver0
Bronze0

Active Challenges (3)

LevelNameAttemptsDate
Alice's Birthday Party (Part 1)3 / 20May 14, 2021, 9:39 a.m.
Monoalphabetic Substitution with Nostradamus Flavor2 / 15May 12, 2021, 11:10 a.m.
Cryptanalysis Hacking Puzzles — Part 12 / 15May 11, 2021, 4:24 p.m.

Solved Challenges (63)

LevelNamePointsDate
Snow White and the seven dwarfs100May 27, 2021, 7:01 a.m.
Lightweight Introduction to Lattices — Part 2100May 19, 2021, 7:26 a.m.
Lightweight Introduction to Lattices — Part 1100May 19, 2021, 6:16 a.m.
RSA Factoring Challenge: RSA-2500May 12, 2021, 8:01 p.m.
RSA Factoring Challenge: RSA-2400May 12, 2021, 7:59 p.m.
RSA Factoring Challenge: RSA-2320May 12, 2021, 7:57 p.m.
Homophonic Encryption — Part 41,129May 12, 2021, noon
Homophonic Encryption — Part 31,129May 12, 2021, 11:50 a.m.
Homophonic Encryption — Part 21,129May 12, 2021, 11:34 a.m.
Homophonic Encryption — Part 11,129May 12, 2021, 11:30 a.m.
Cryptanalysis Hacking Puzzles — Part 2100May 11, 2021, 4:31 p.m.
The Book Code: A Challenge for Bookworms100May 11, 2021, 8:49 a.m.
ADFGVX — Part 1100May 9, 2021, 11:05 a.m.
Spanish Strip Cipher — Part 21,091May 7, 2021, 7:33 p.m.
Molehunt (Part 1/3)100May 6, 2021, 8:58 a.m.
Number Sequence — Part 7100April 29, 2021, 12:31 p.m.
Number Sequence — Part 9100April 27, 2021, 6:37 a.m.
Number Sequence — Part 6100April 27, 2021, 5:48 a.m.
Strange Message from Thessaloniki100April 26, 2021, 7:16 a.m.
Letter from the Alleged Countess Julie von Ortenburg100April 23, 2021, 10:56 a.m.
Trifid Cipher100April 22, 2021, 3:14 p.m.
Wheatstone Cryptograph — Part 1200April 22, 2021, 12:55 p.m.
Find the right route — Part 3101April 21, 2021, 8:58 a.m.
News from Castle Mansfeld100April 19, 2021, 7:39 a.m.
A Secret Message from Castle Mansfeld100April 19, 2021, 7:22 a.m.
Image Noise100April 19, 2021, 5:19 a.m.
Playfair with hints about the grid100April 17, 2021, 10:23 a.m.
A hidden word100April 16, 2021, 7:46 a.m.
Modified Caesar Cipher100April 15, 2021, 6:38 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100April 15, 2021, 6:25 a.m.
Classical Ciphers^3100April 14, 2021, 11:05 a.m.
M-138 — Part 31,094April 14, 2021, 5:26 a.m.
M-138 — Part 21,094April 13, 2021, 1:17 p.m.
Playfair Encryption100April 13, 2021, 10:22 a.m.
Double Columnar Transposition100April 13, 2021, 9:28 a.m.
A hidden word — Part 2100April 13, 2021, 8:50 a.m.
Nils away on travel100April 12, 2021, 6:50 p.m.
Factorization Cipher — Part 1100April 11, 2021, 1:34 p.m.
The Einstein Enigma1,113April 11, 2021, 12:40 p.m.
How do you become a big cryptographer?100April 10, 2021, 11:52 a.m.
From Russia with Love100April 8, 2021, 1:01 p.m.
The Last Note100April 8, 2021, 12:40 p.m.
Autokey Cipher100April 8, 2021, 11:12 a.m.
Find the right route — Part 2101April 8, 2021, 10:30 a.m.
¿No Hablas Español? No problemo!100April 8, 2021, 5:26 a.m.
Letter to the Templars — Part 31,087April 7, 2021, 12:15 p.m.
Letter to the Templars — Part 2100April 7, 2021, 12:01 p.m.
Letter to the Templars — Part 1100April 7, 2021, 11:52 a.m.
Cracking SHA1-Hashed Passwords1,083April 7, 2021, 11:31 a.m.
Find the right route — Part 1101April 6, 2021, 12:58 p.m.
M-138 — Part 1100April 6, 2021, 10:55 a.m.
Number Sequence — Part 2100April 6, 2021, 8:31 a.m.
Advent-Challenge — Part 1100April 6, 2021, 5:07 a.m.
Number Sequence — Part 8100April 5, 2021, 4:21 p.m.
Beaver Code100April 5, 2021, 12:07 p.m.
Number Sequence — Part 5100April 5, 2021, 11:01 a.m.
Number Sequence — Part 4100April 5, 2021, 10:07 a.m.
Number Sequence — Part 3100April 5, 2021, 10:04 a.m.
Grille Cipher100April 4, 2021, 8:28 p.m.
Original Caesar Cipher100April 4, 2021, 6:27 p.m.
Caesar Encryption100April 4, 2021, 5:46 p.m.
Number Sequence100April 4, 2021, 4:14 p.m.
Monoalphabetic Substitution100April 4, 2021, 7:56 a.m.

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