Account

Name
Alain
Username
Integral
Joined
Dec. 14, 2013, 5:26 p.m.

Rank
7
Points
207,924
Trophies
Gold9
Silver4
Bronze5

Active Challenges (2)

LevelNameAttemptsDate
Double Column Transposition Reloaded — Part 21 / 15May 3, 2014, 11:07 a.m.
Double Column Transposition Reloaded — Part 11 / 15Dec. 19, 2013, 11:39 a.m.

Solved Challenges (161)

LevelNamePointsDate
Trendy Messenger1,307July 21, 2018, 1:53 p.m.
AES ECB Wrong Encoding1,184July 19, 2018, 9:43 a.m.
Hilly — Part 11,142July 3, 2018, 7:30 p.m.
Advent Challenge — Part 31,192June 24, 2018, 11:40 p.m.
Advent Challenge — Part 41,192June 24, 2018, 6:18 p.m.
The Einstein Enigma1,210June 24, 2018, 10:58 a.m.
Advent-Challenge — Part 1101June 23, 2018, 11:43 a.m.
Summer Job1,469June 23, 2018, 10:16 a.m.
Fastest in the West1,485June 22, 2018, 12:15 a.m.
Handycipher — Part 615,666Aug. 16, 2016, 11:27 p.m.
Handycipher — Part 515,684Aug. 16, 2016, 3:08 p.m.
Handycipher — Part 415,684Aug. 15, 2016, 9:12 p.m.
Weakened Handycipher — Part 61,307Aug. 7, 2016, 12:09 p.m.
Weakened Handycipher — Part 51,310Aug. 6, 2016, 4:25 p.m.
Weakened Handycipher — Part 41,310Aug. 6, 2016, 2:10 p.m.
ASAC — A Strong(er) ADFGVX Cipher — Part 11,576July 15, 2016, 9:41 a.m.
New Year's Greetings — Part 51,502March 29, 2016, 2:51 p.m.
New Year's Greetings — Part 4117March 26, 2016, 7:39 p.m.
New Year's Greetings — Part 3117March 26, 2016, 7:21 p.m.
New Year's Greetings — Part 2117March 26, 2016, 7 p.m.
New Year's Greetings — Part 1117March 26, 2016, 6:34 p.m.
Number Sequence — Part 6100March 13, 2016, 4:08 p.m.
Number Sequence — Part 5100March 13, 2016, 3 p.m.
ORYX Stream Cipher — Part 4a1,132Feb. 27, 2016, 6:22 p.m.
News from Castle Mansfeld102Jan. 10, 2016, 6:22 p.m.
Number Sequence — Part 8101Jan. 9, 2016, 5:21 p.m.
Image Noise102Jan. 9, 2016, 5 p.m.
Weakened Granit — Part 1125Sept. 27, 2015, 9:54 p.m.
Kaskade-S/T — Part 51,104Sept. 15, 2015, 9:06 p.m.
Flawed Usage of a OTP Cipher by the BND1,456Sept. 4, 2015, 4:37 p.m.
Sigaba Part 213,397Aug. 26, 2015, 3:54 p.m.
M-138 — Part 41,178Aug. 17, 2015, 1:42 p.m.
An 'unhearable' message100July 31, 2015, 9:32 p.m.
An Invisible Message100July 31, 2015, 3:44 p.m.
A hidden word — Part 2101July 31, 2015, 1:57 p.m.
Handycipher — Part 315,093June 12, 2015, 7:31 p.m.
Handycipher — Part 21,232June 9, 2015, 11:28 p.m.
Handycipher — Part 11,233June 8, 2015, 5:49 p.m.
Weakened Handycipher — Part 31,357June 7, 2015, 10:32 a.m.
Weakened Handycipher — Part 21,357June 6, 2015, 1:54 p.m.
Weakened Handycipher — Part 11,362June 5, 2015, 3:01 p.m.
M-138 — Part 31,341Jan. 21, 2015, 7:13 p.m.
M-138 — Part 21,344Jan. 20, 2015, 6:40 p.m.
M-138 — Part 1104Jan. 20, 2015, 5:01 p.m.
The Last Note101Dec. 4, 2014, 10:47 p.m.
Akelarre Part 11,106Dec. 3, 2014, 10:26 a.m.
Heartbleed — Part 31,240Nov. 23, 2014, 9:20 p.m.
Heartbleed — Part 2101Nov. 21, 2014, 7:50 p.m.
Heartbleed — Part 1 101Nov. 21, 2014, 10:14 a.m.
Cascading Encryption — Part 3/31,136Nov. 20, 2014, 3:44 p.m.
Cascading Encryption — Part 2/31,137Nov. 11, 2014, 11:43 a.m.
Double Column Transposition — Part 51,330July 25, 2014, 2:02 p.m.
Double Column Transposition — Part 41,398June 6, 2014, 10:01 a.m.
Double Column Transposition — Part 22,000May 3, 2014, 11:10 a.m.
Double Column Transposition — Part 32,000May 3, 2014, 10:17 a.m.
Double Column Transposition — Part 11,433April 17, 2014, 11:21 p.m.
Spanish Strip Cipher — Part 22,000March 28, 2014, 1:32 a.m.
Spanish Strip Cipher — Part 12,000March 27, 2014, 10:27 p.m.
Purple 11,111March 15, 2014, 12:32 p.m.
Enigma Messages with Repeated Letters — Part 5113March 12, 2014, 5:33 p.m.
Enigma Messages with Repeated Letters — Part 4113March 12, 2014, 5:27 p.m.
Enigma Messages with Repeated Letters — Part 3114March 12, 2014, 12:08 p.m.
Concealed Messages — Vigenère's Night Sky1,132March 5, 2014, 8:52 a.m.
Sigaba Part 11,112Feb. 27, 2014, 10 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 21,117Feb. 26, 2014, 11:08 p.m.
Lattice Part 11,116Feb. 14, 2014, 3:03 p.m.
Unconcealed RSA messages1,124Feb. 12, 2014, 8:05 a.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,114Feb. 10, 2014, 10:07 a.m.
AES key — encoded in the machine readable zone of a European ePassport1,128Feb. 9, 2014, 10:56 a.m.
BCR code (Book-Caesar-RSA)1,143Feb. 8, 2014, 5:46 p.m.
Smartcard RSA1,112Feb. 8, 2014, 3:01 p.m.
RSA with Special d13,577Feb. 6, 2014, 4:33 p.m.
Partial Key Exposure with RSA — Part 11,130Feb. 1, 2014, 5:22 p.m.
Pigpen with a twist — Part 31,123Jan. 20, 2014, 7:13 p.m.
Pigpen with a twist — Part 21,123Jan. 20, 2014, 6:29 p.m.
ORYX Stream Cipher — Part 3 (revised)1,180Jan. 20, 2014, 5:25 p.m.
ORYX Stream Cipher Part II1,113Jan. 19, 2014, 10:33 a.m.
ORYX Stream Cipher Part I1,113Jan. 18, 2014, 7:10 p.m.
Unusual encryption using a diophantine equation1,123Jan. 14, 2014, 4:59 p.m.
Enigma Messages with Repeated Letters — Part 2101Jan. 14, 2014, 8:22 a.m.
Enigma Messages with Repeated Letters — Part 1101Jan. 13, 2014, 3:12 p.m.
Enigma Part 21,113Jan. 13, 2014, 3:11 p.m.
Trifid Cipher101Jan. 12, 2014, 5:28 p.m.
Typex — Part 21,169Jan. 12, 2014, 10:21 a.m.
Typex — Part 11,164Jan. 11, 2014, 6:12 p.m.
Not-so-Secret Message from Malawi — Part II (ECC)1,113Jan. 9, 2014, 5:32 p.m.
Strange Message from Thessaloniki100Jan. 8, 2014, 12:21 p.m.
The Book Code: A Challenge for Bookworms100Jan. 7, 2014, 12:14 p.m.
Hybrid Encryption I1,113Jan. 7, 2014, 11:04 a.m.
Factorization Cipher — Part 31,129Jan. 7, 2014, 9:30 a.m.
RSA: Two different keys — same ciphertext1,123Jan. 6, 2014, 7:18 p.m.
Broadcasting and low exponent — RSA Attack1,122Jan. 6, 2014, 5:26 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,113Jan. 6, 2014, 3:45 p.m.
Cascading Encryption — Part 1/3100Jan. 4, 2014, 9:58 p.m.
Nils away on travel101Jan. 4, 2014, 9:04 p.m.
Cracking SHA1-Hashed Passwords1,118Jan. 4, 2014, 8:48 p.m.
Monoalphabetic substitution with camouflage — Part 4100Jan. 4, 2014, 12:15 p.m.
Zodiac Cipher100Jan. 3, 2014, 12:05 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,133Jan. 2, 2014, 11:38 p.m.
Monoalphabetic substitution with camouflage — Part 21,128Jan. 2, 2014, 7:34 p.m.
Monoalphabetic substitution with camouflage — Part 31,128Jan. 2, 2014, 4:42 p.m.
Monoalphabetic substitution with camouflage — Part 1100Jan. 2, 2014, 9:48 a.m.
Keyshanc — Part 21,137Jan. 1, 2014, 4:43 p.m.
Keyshanc — Part 11,137Dec. 31, 2013, 11:03 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Dec. 30, 2013, 10:56 p.m.
Kaskade-S/T — Part 31,117Dec. 30, 2013, 12:43 a.m.
Kaskade-S/T — Part 21,117Dec. 29, 2013, 6:46 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,113Dec. 29, 2013, 4:44 p.m.
ADFGVX — Part 2100Dec. 28, 2013, 7:47 p.m.
ADFGVX — Part 1100Dec. 28, 2013, 5:56 p.m.
Alice's Birthday Party (Part 2)1,113Dec. 28, 2013, 4:27 p.m.
Kaskade-S/T — Part 1100Dec. 28, 2013, 12:14 p.m.
ECDH-Key Exchange for Beginners100Dec. 28, 2013, 9:19 a.m.
Alice's Birthday Party (Part 1)1,113Dec. 27, 2013, 4:47 p.m.
Factorization Cipher — Part 21,128Dec. 27, 2013, 8:20 a.m.
CMEA 213,617Dec. 26, 2013, 12:16 p.m.
Hill Cipher with Sudoku Key101Dec. 25, 2013, 10:16 p.m.
CMEA 11,115Dec. 24, 2013, 4:29 p.m.
Enigma Messages100Dec. 21, 2013, 2:40 p.m.
A Secret Message from Castle Mansfeld100Dec. 20, 2013, 7:08 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Dec. 20, 2013, 7:05 p.m.
Enigma Part 11,113Dec. 20, 2013, 2:51 p.m.
Enigma Combinatorics100Dec. 20, 2013, 2:38 p.m.
Turing Bombe Enigma I100Dec. 19, 2013, 8:03 p.m.
How do you become a big cryptographer?100Dec. 19, 2013, 1:39 p.m.
Double Columnar Transposition100Dec. 19, 2013, 11:40 a.m.
Music Code — Part 21,120Dec. 19, 2013, 10:40 a.m.
Music Code — Part 1100Dec. 19, 2013, 10:37 a.m.
Recycled One-Time Pad100Dec. 18, 2013, 1:12 p.m.
Classical Ciphers^3100Dec. 18, 2013, 12:13 p.m.
Modified Caesar Cipher100Dec. 17, 2013, 9:54 a.m.
Pigpen with a twist — Part 1100Dec. 16, 2013, 7:35 p.m.
Molehunt (Part 3/3)1,114Dec. 16, 2013, 5:33 p.m.
Molehunt (Part 2/3)100Dec. 16, 2013, 1:28 p.m.
Molehunt (Part 1/3)100Dec. 16, 2013, 1:07 p.m.
From Russia with Love101Dec. 16, 2013, 11:42 a.m.
A really long number sequence1,124Dec. 15, 2013, 8:55 p.m.
¿No Hablas Español? No problemo!100Dec. 15, 2013, 7:57 p.m.
Multilingual Monoalphabetic Substitution100Dec. 15, 2013, 7:39 p.m.
Playfair with hints about the grid100Dec. 15, 2013, 6:28 p.m.
Playfair Encryption100Dec. 15, 2013, 6:07 p.m.
Reserve Hand Procedure — Part 1100Dec. 15, 2013, 2:34 p.m.
Snow White and the seven dwarfs100Dec. 15, 2013, 12:10 p.m.
Letter to the Templars — Part 31,150Dec. 15, 2013, 11:49 a.m.
A hidden word100Dec. 15, 2013, 11:22 a.m.
One-Time Pad with Flaws100Dec. 15, 2013, 10:56 a.m.
Grille Cipher100Dec. 15, 2013, 10:04 a.m.
A modified homophonic cipher with reduced alphabets — Part 2100Dec. 15, 2013, 9:51 a.m.
Factorization Cipher — Part 1100Dec. 15, 2013, 8:47 a.m.
A modified homophonic cipher with reduced alphabets — Part 1100Dec. 15, 2013, 8:01 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Dec. 15, 2013, 12:21 a.m.
Letter to the Templars — Part 2100Dec. 15, 2013, 12:16 a.m.
Number Sequence — Part 4100Dec. 15, 2013, 12:08 a.m.
Letter to the Templars — Part 1100Dec. 15, 2013, 12:05 a.m.
Number Sequence — Part 3100Dec. 14, 2013, 11:38 p.m.
Beaver Code100Dec. 14, 2013, 11:35 p.m.
Caesar Encryption100Dec. 14, 2013, 11:14 p.m.
Original Caesar Cipher100Dec. 14, 2013, 10:34 p.m.
Monoalphabetic Substitution100Dec. 14, 2013, 7:56 p.m.
Number Sequence — Part 2100Dec. 14, 2013, 6:37 p.m.
Number Sequence100Dec. 14, 2013, 6:34 p.m.

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