Account

Name
Claude Vaillancourt
Username
Cl3v3r
Joined
Dec. 23, 2014, 6:25 p.m.

Rank
43
Points
46,448
Trophies
Gold0
Silver0
Bronze1

Solved Challenges (81)

LevelNamePointsDate
The Einstein Enigma1,108Nov. 20, 2021, 6:30 p.m.
Fastest in the West1,111Nov. 11, 2021, 11:45 p.m.
Find the right route — Part 1100Oct. 6, 2021, 8:16 p.m.
Wheatstone Cryptograph — Part 1103May 24, 2021, 5:25 p.m.
Summer Job1,116May 23, 2021, 7:22 p.m.
AES ECB Wrong Encoding1,112April 14, 2021, 6:27 p.m.
Advent-Challenge — Part 21,115Dec. 22, 2020, 7:24 p.m.
Advent Challenge — Part 41,116Dec. 9, 2020, 4:49 p.m.
Advent Challenge — Part 31,116Dec. 8, 2020, 3:48 a.m.
Advent-Challenge — Part 1100Dec. 5, 2020, 5:11 p.m.
A hidden word100Oct. 19, 2018, 4:21 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,096Nov. 17, 2016, 1:56 a.m.
Number Sequence — Part 4100Nov. 11, 2016, 10:03 p.m.
Image Noise109Dec. 1, 2015, 6:39 p.m.
Keyshanc — Part 21,111Oct. 9, 2015, 10:45 p.m.
Keyshanc — Part 11,111Oct. 9, 2015, 4:31 p.m.
Enigma Part 21,100Oct. 5, 2015, 5:40 p.m.
Number Sequence — Part 8108Sept. 26, 2015, 11:32 p.m.
Enigma Part 11,100Sept. 25, 2015, 2:20 p.m.
Typex — Part 21,122Sept. 24, 2015, 8:42 p.m.
Typex — Part 11,120Sept. 22, 2015, 12:54 p.m.
ECDH-Key Exchange for Beginners100Sept. 18, 2015, 8:13 p.m.
Enigma Combinatorics100Sept. 18, 2015, 6:40 p.m.
Nils away on travel100Sept. 18, 2015, 4:28 p.m.
Turing Bombe Enigma I100Sept. 18, 2015, 3:39 p.m.
Enigma Messages with Repeated Letters — Part 5100Sept. 13, 2015, 6:32 p.m.
Enigma Messages with Repeated Letters — Part 4100Sept. 13, 2015, 6:04 p.m.
Enigma Messages with Repeated Letters — Part 3100Sept. 13, 2015, 3:37 p.m.
Enigma Messages100Sept. 13, 2015, 3:08 p.m.
Enigma Messages with Repeated Letters — Part 2100Sept. 13, 2015, 2:26 p.m.
Double Column Transposition — Part 31,144Sept. 6, 2015, 1:29 a.m.
Double Column Transposition — Part 41,146Sept. 3, 2015, 8:23 p.m.
Double Column Transposition — Part 21,145Sept. 2, 2015, 7:04 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,110Aug. 15, 2015, 1:14 p.m.
Partial Key Exposure with RSA — Part 11,110Aug. 12, 2015, 3:45 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100March 18, 2015, 4:38 p.m.
Heartbleed — Part 2100March 17, 2015, 5:47 p.m.
Heartbleed — Part 1 100March 17, 2015, 5:18 p.m.
ORYX Stream Cipher — Part 3 (revised)1,134March 6, 2015, 5:02 p.m.
ORYX Stream Cipher Part II1,104March 2, 2015, 4:16 p.m.
ORYX Stream Cipher Part I1,104March 1, 2015, 11:18 p.m.
M-138 — Part 41,264Feb. 26, 2015, 5:40 p.m.
M-138 — Part 31,283Feb. 13, 2015, 3:09 a.m.
¿No Hablas Español? No problemo!100Feb. 12, 2015, 11:43 p.m.
Trifid Cipher100Feb. 12, 2015, 6:12 p.m.
Enigma Messages with Repeated Letters — Part 1100Jan. 29, 2015, 1:06 a.m.
Hybrid Encryption I1,105Jan. 27, 2015, 5:58 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,104Jan. 27, 2015, 1:19 a.m.
Recycled One-Time Pad100Jan. 21, 2015, 4:50 a.m.
A modified homophonic cipher with reduced alphabets — Part 2100Jan. 20, 2015, 10:31 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Jan. 20, 2015, 8:42 p.m.
Alice's Birthday Party (Part 2)1,104Jan. 20, 2015, 3:56 p.m.
Alice's Birthday Party (Part 1)1,104Jan. 20, 2015, 3:55 p.m.
How do you become a big cryptographer?100Jan. 18, 2015, 8:45 p.m.
Cracking SHA1-Hashed Passwords1,108Jan. 18, 2015, 6:42 p.m.
Broadcasting and low exponent — RSA Attack1,110Jan. 16, 2015, 11:03 p.m.
RSA: Two different keys — same ciphertext1,111Jan. 14, 2015, 6:41 p.m.
BCR code (Book-Caesar-RSA)1,124Jan. 12, 2015, 9:41 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,105Jan. 10, 2015, 7:56 p.m.
Number Sequence100Jan. 8, 2015, 11:39 p.m.
Hill Cipher with Sudoku Key100Jan. 8, 2015, 5:01 p.m.
Snow White and the seven dwarfs100Jan. 5, 2015, 9:02 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Jan. 3, 2015, 9:21 p.m.
Factorization Cipher — Part 31,115Jan. 3, 2015, 8:45 p.m.
Factorization Cipher — Part 21,114Jan. 1, 2015, 7:17 p.m.
Modified Caesar Cipher100Dec. 31, 2014, 6:40 p.m.
Original Caesar Cipher100Dec. 31, 2014, 12:13 a.m.
Number Sequence — Part 2100Dec. 30, 2014, 11:45 p.m.
One-Time Pad with Flaws100Dec. 30, 2014, 7:15 p.m.
Factorization Cipher — Part 1100Dec. 30, 2014, 5:10 p.m.
Grille Cipher100Dec. 29, 2014, 3:39 p.m.
M-138 — Part 21,576Dec. 29, 2014, 3:36 a.m.
Beaver Code100Dec. 28, 2014, 8:53 p.m.
Letter to the Templars — Part 31,125Dec. 28, 2014, 2:48 p.m.
Letter to the Templars — Part 2100Dec. 27, 2014, 11:08 p.m.
Letter to the Templars — Part 1100Dec. 27, 2014, 10:21 p.m.
M-138 — Part 1125Dec. 27, 2014, 8:22 p.m.
Pigpen with a twist — Part 1100Dec. 27, 2014, 7:15 p.m.
Playfair with hints about the grid100Dec. 27, 2014, 2:38 p.m.
Playfair Encryption100Dec. 26, 2014, 6:50 p.m.
Caesar Encryption100Dec. 25, 2014, 5:31 p.m.

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