Account

Name
Kim H. S.
Username
tenchijin
Joined
Dec. 4, 2013, 4:56 a.m.

Rank
80
Points
25,468
Trophies
Gold0
Silver0
Bronze0

Active Challenges (2)

LevelNameAttemptsDate
Music Code — Part 16 / 20Jan. 19, 2016, 8:22 a.m.
Enigma Combinatorics1 / 20Feb. 3, 2014, 10:47 p.m.

Solved Challenges (68)

LevelNamePointsDate
Advent-Challenge — Part 1101June 7, 2018, 10:31 p.m.
Number Sequence — Part 10102June 7, 2018, 10:01 p.m.
Playfair with hints about the grid100Aug. 27, 2017, 3:29 p.m.
Playfair Encryption100Aug. 27, 2017, 3:20 p.m.
Multilingual Monoalphabetic Substitution100Aug. 25, 2017, 11:08 p.m.
Enigma Messages100Aug. 24, 2017, 1:54 p.m.
Enigma Part 11,092Aug. 23, 2017, 6:21 p.m.
Alice's Birthday Party (Part 2)1,092Aug. 23, 2017, 3:28 p.m.
Broadcasting and low exponent — RSA Attack1,095Aug. 23, 2017, 1:27 p.m.
Image Noise100Aug. 21, 2017, 9:06 a.m.
Number Sequence — Part 3100Aug. 20, 2017, 12:37 a.m.
The Last Note100Jan. 11, 2016, 1:35 p.m.
Number Sequence — Part 8102Nov. 5, 2015, 8:03 a.m.
Heartbleed — Part 2100May 9, 2015, 12:51 p.m.
A hidden word — Part 2104May 8, 2015, 9:52 p.m.
Number Sequence — Part 7102May 8, 2015, 8:40 p.m.
M-138 — Part 21,444Jan. 5, 2015, 9:45 p.m.
M-138 — Part 1108Jan. 5, 2015, 1:40 p.m.
An Invisible Message100March 17, 2014, 12:22 p.m.
Hill Cipher with Sudoku Key101March 12, 2014, 11:37 a.m.
Hybrid Encryption I1,112March 12, 2014, 8:35 a.m.
Keyshanc — Part 21,133March 11, 2014, 10:11 a.m.
AES key — encoded in the machine readable zone of a European ePassport1,127March 5, 2014, 1:59 p.m.
How do you become a big cryptographer?100March 5, 2014, 11:17 a.m.
RSA: Two different keys — same ciphertext1,121March 4, 2014, 2:41 p.m.
Factorization Cipher — Part 21,125March 3, 2014, 2:59 p.m.
Alice's Birthday Party (Part 1)1,111March 3, 2014, 1:09 p.m.
BCR code (Book-Caesar-RSA)1,141Feb. 24, 2014, 3:15 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,112Feb. 21, 2014, 2:13 p.m.
Double Columnar Transposition100Feb. 12, 2014, 4:39 p.m.
A Secret Message from Castle Mansfeld100Feb. 11, 2014, 9:06 a.m.
Kaskade-S/T — Part 21,116Feb. 8, 2014, 8:08 a.m.
Kaskade-S/T — Part 1100Feb. 6, 2014, 10:54 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Feb. 3, 2014, 12:56 p.m.
¿No Hablas Español? No problemo!100Jan. 31, 2014, 1:42 p.m.
Molehunt (Part 3/3)1,112Jan. 31, 2014, 10:57 a.m.
Molehunt (Part 2/3)100Jan. 31, 2014, 8:58 a.m.
Keyshanc — Part 11,135Jan. 30, 2014, 9:45 p.m.
Molehunt (Part 1/3)100Jan. 30, 2014, 9:37 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,112Jan. 30, 2014, 8:34 a.m.
Trifid Cipher101Jan. 22, 2014, 1:23 p.m.
An 'unhearable' message100Jan. 21, 2014, 4:28 p.m.
Pigpen with a twist — Part 1100Jan. 21, 2014, 10:55 a.m.
Classical Ciphers^3100Jan. 20, 2014, 5:23 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Jan. 15, 2014, 2:03 p.m.
One-Time Pad with Flaws100Jan. 14, 2014, 9:59 p.m.
The Book Code: A Challenge for Bookworms100Jan. 5, 2014, 9:02 p.m.
Number Sequence — Part 4100Jan. 5, 2014, 7:49 p.m.
Number Sequence — Part 2100Jan. 5, 2014, 10:17 a.m.
Number Sequence100Jan. 5, 2014, 9:42 a.m.
From Russia with Love101Jan. 5, 2014, 8:39 a.m.
Cracking SHA1-Hashed Passwords1,118Jan. 5, 2014, 5:32 a.m.
Snow White and the seven dwarfs100Jan. 2, 2014, 9:39 p.m.
Reserve Hand Procedure — Part 1100Jan. 2, 2014, 3:13 p.m.
Modified Caesar Cipher100Jan. 2, 2014, 11:39 a.m.
Factorization Cipher — Part 1100Jan. 1, 2014, 10:10 p.m.
A hidden word100Dec. 31, 2013, 9:48 a.m.
Grille Cipher100Dec. 31, 2013, 9:30 a.m.
A modified homophonic cipher with reduced alphabets — Part 2100Dec. 30, 2013, 9:18 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Dec. 30, 2013, 1:52 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Dec. 30, 2013, 7:29 a.m.
Letter to the Templars — Part 31,148Dec. 29, 2013, 11 p.m.
Letter to the Templars — Part 2100Dec. 29, 2013, 10:36 p.m.
Letter to the Templars — Part 1100Dec. 29, 2013, 9:08 a.m.
Beaver Code100Dec. 26, 2013, 8:52 a.m.
Monoalphabetic Substitution100Dec. 26, 2013, 8:20 a.m.
Caesar Encryption100Dec. 23, 2013, 9:40 a.m.
Original Caesar Cipher100Dec. 23, 2013, 9:07 a.m.

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