Account

Name
Random Dude
Username
rnd
Joined
June 10, 2018, 1:48 p.m.

Rank
19
Points
103,645
Trophies
Gold1
Silver0
Bronze0

Solved Challenges (155)

LevelNamePointsDate
Find the right route — Part 2101May 5, 2021, 8:42 p.m.
Wheatstone Cryptograph — Part 1108May 4, 2021, 5:11 p.m.
Pigpen with a twist — Part 31,084May 3, 2021, 5:25 p.m.
Cipher ID — Part 11,143April 10, 2021, 10:59 p.m.
The SZ42 Challenge — Part 21,178April 3, 2021, 3:40 p.m.
The SZ42 Challenge — Part 11,175April 3, 2021, 3:07 a.m.
Find the right route — Part 1102Dec. 16, 2020, 7:30 p.m.
Lightweight Introduction to Lattices — Part 1101July 30, 2020, 10:27 p.m.
Polyhomophonic Substitution — Part 1103April 23, 2020, 7:15 p.m.
Polyphonic Substitution Cipher — Part 11,337Dec. 20, 2019, 6:42 p.m.
The T52 Sturgeon Challenge — Part 31,238Oct. 21, 2019, 9:48 p.m.
The T52 Sturgeon Challenge — Part 21,238Oct. 20, 2019, 8:34 p.m.
The T52 Sturgeon Challenge — Part 11,232Oct. 19, 2019, 5:45 p.m.
A Cloaked Substitution Cipher — Part 21,290Oct. 12, 2019, 6:28 a.m.
A Cloaked Substitution Cipher — Part 11,286Oct. 10, 2019, 2:25 a.m.
Handycipher — Part 21,104July 21, 2019, 5:29 p.m.
Weakened Handycipher — Part 11,106June 25, 2019, 12:12 a.m.
Weakened Handycipher — Part 31,106June 15, 2019, 3:11 a.m.
Weakened Handycipher — Part 21,106June 14, 2019, 12:42 a.m.
Handycipher made in love — Part 21,469May 31, 2019, 11:52 p.m.
Handycipher made in love — Part 11,227May 31, 2019, 1:45 p.m.
Homophonic Encryption — Part 41,456May 20, 2019, 1:42 p.m.
Homophonic Encryption — Part 31,469May 19, 2019, 6:21 a.m.
Homophonic Encryption — Part 21,469May 19, 2019, 5:44 a.m.
Homophonic Encryption — Part 11,444May 17, 2019, 3:56 a.m.
Pigpen with a twist — Part 21,089April 24, 2019, 12:10 a.m.
Smartcard RSA1,087April 17, 2019, 1:17 a.m.
Kaskade-S/T — Part 31,088Feb. 22, 2019, 3:35 a.m.
Monoalphabetic Substitution with Nostradamus Flavor1,660Feb. 19, 2019, 5:26 p.m.
Unconcealed RSA messages1,090Feb. 15, 2019, 11:12 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,092Feb. 3, 2019, 4:40 a.m.
Monoalphabetic substitution with camouflage — Part 31,091Feb. 3, 2019, 4:17 a.m.
Spanish Strip Cipher — Part 21,101Feb. 3, 2019, 1:45 a.m.
Spanish Strip Cipher — Part 11,101Jan. 30, 2019, 5:36 p.m.
Cryptanalysis Hacking Puzzles — Part 2200Jan. 10, 2019, 1:53 p.m.
Ku Klux Klan1,000Dec. 11, 2018, 3:48 p.m.
Double Column Transposition — Part 41,103Nov. 23, 2018, 5:32 p.m.
Double Column Transposition — Part 11,102Nov. 22, 2018, 10:50 p.m.
Double Column Transposition — Part 31,103Nov. 21, 2018, 11:44 p.m.
Double Column Transposition — Part 21,103Nov. 19, 2018, 10:41 p.m.
RSA Factoring Challenge: RSA-2100Nov. 6, 2018, 5:32 p.m.
RSA Factoring Challenge: RSA-2200Nov. 6, 2018, 5:30 p.m.
RSA Factoring Challenge: RSA-7040Nov. 6, 2018, 5:28 p.m.
RSA Factoring Challenge: RSA-2300Nov. 6, 2018, 5:26 p.m.
CMEA 213,184Nov. 6, 2018, 11:37 a.m.
Breaking a Filter Generator1,318Oct. 30, 2018, 6:04 p.m.
Weakened Granit — Part 1100Oct. 29, 2018, 11:34 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,089Oct. 28, 2018, 3:16 a.m.
Cryptanalysis Hacking Puzzles — Part 1150Oct. 28, 2018, 1:43 a.m.
Number Sequence — Part 7100Oct. 23, 2018, 2:40 a.m.
An Invisible Message100Oct. 22, 2018, 11:18 p.m.
Trendy Messenger1,212Oct. 22, 2018, 10:43 p.m.
Fastest in the West1,212Oct. 21, 2018, 8:56 p.m.
Summer Job1,217Oct. 13, 2018, 3:24 a.m.
Unusual encryption using a diophantine equation1,091Oct. 13, 2018, 2:35 a.m.
A really long number sequence1,091Oct. 12, 2018, 2:55 a.m.
Molehunt (Part 3/3)1,088Oct. 10, 2018, 2:22 a.m.
M-138 — Part 41,108Oct. 8, 2018, 7:11 p.m.
Advent Challenge — Part 31,169Oct. 6, 2018, 2:31 p.m.
Advent Challenge — Part 41,168Oct. 6, 2018, 4:22 a.m.
Advent-Challenge — Part 21,168Oct. 4, 2018, 3:41 p.m.
Partial Key Exposure with RSA — Part 11,093Oct. 1, 2018, 4:42 p.m.
CMEA 11,089Sept. 30, 2018, 8:59 p.m.
Modular Sequences150Sept. 26, 2018, 8:55 p.m.
Autokey Cipher150Sept. 26, 2018, 8:28 p.m.
M-138 — Part 31,108Sept. 24, 2018, 11:45 p.m.
Monoalphabetic substitution with camouflage — Part 4100Sept. 24, 2018, 8:39 p.m.
Zodiac Cipher100Sept. 23, 2018, 7:49 p.m.
A Secret Message from Castle Mansfeld100Sept. 23, 2018, 7:15 p.m.
Playfair with hints about the grid100Sept. 23, 2018, 5:37 p.m.
Playfair Encryption100Sept. 23, 2018, 5:07 p.m.
Monoalphabetic substitution with camouflage — Part 21,092Sept. 15, 2018, 4:30 a.m.
ORYX Stream Cipher Part II1,088Sept. 14, 2018, 1:06 a.m.
Monoalphabetic substitution with camouflage — Part 1100Sept. 13, 2018, 3:02 a.m.
Turing Bombe Enigma I100Sept. 9, 2018, 4:52 p.m.
Kaskade-S/T — Part 21,089Sept. 8, 2018, 3:14 p.m.
Kaskade-S/T — Part 1100Sept. 7, 2018, 6:43 p.m.
ADFGVX — Part 1100Sept. 7, 2018, 3:22 a.m.
ADFGVX — Part 2100Sept. 4, 2018, 6:45 p.m.
The Einstein Enigma1,185Sept. 3, 2018, 6:05 a.m.
AES key — encoded in the machine readable zone of a European ePassport1,093Sept. 3, 2018, 3:34 a.m.
Factorization Cipher — Part 31,093Sept. 2, 2018, 12:22 a.m.
Keyshanc — Part 11,094Sept. 1, 2018, 7:26 p.m.
BCR code (Book-Caesar-RSA)1,095Aug. 31, 2018, 11:31 p.m.
Enigma Part 21,088Aug. 29, 2018, 12:54 a.m.
Enigma Messages100Aug. 27, 2018, 2:50 a.m.
Factorization Cipher — Part 21,092Aug. 26, 2018, 3:08 p.m.
Enigma Messages with Repeated Letters — Part 5100Aug. 23, 2018, 2:11 a.m.
Enigma Messages with Repeated Letters — Part 4100Aug. 23, 2018, 12:56 a.m.
Enigma Messages with Repeated Letters — Part 2100Aug. 23, 2018, 12:43 a.m.
Enigma Messages with Repeated Letters — Part 3100Aug. 22, 2018, 12:09 a.m.
Enigma Part 11,088Aug. 21, 2018, 11:12 p.m.
RSA: Two different keys — same ciphertext1,091Aug. 20, 2018, 2:31 a.m.
M-138 — Part 21,109Aug. 19, 2018, 10:52 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,088Aug. 19, 2018, 10:41 p.m.
Hybrid Encryption I1,089Aug. 19, 2018, 2:21 p.m.
ORYX Stream Cipher Part I1,088Aug. 18, 2018, 5:56 a.m.
Cascading Encryption — Part 1/3100Aug. 15, 2018, 7:03 p.m.
Recycled One-Time Pad100Aug. 14, 2018, 2:05 a.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,089Aug. 7, 2018, 3:17 a.m.
Broadcasting and low exponent — RSA Attack1,091Aug. 7, 2018, 2:15 a.m.
Alice's Birthday Party (Part 2)1,089Aug. 7, 2018, 2:01 a.m.
Alice's Birthday Party (Part 1)1,089Aug. 3, 2018, 4:49 p.m.
Cracking SHA1-Hashed Passwords1,090Aug. 3, 2018, 2:02 p.m.
Letter to the Templars — Part 31,096Aug. 3, 2018, 3:39 a.m.
The Book Code: A Challenge for Bookworms100Aug. 1, 2018, 2:22 a.m.
Letter from the Alleged Countess Julie von Ortenburg100July 31, 2018, 6:28 p.m.
Classical Ciphers^3100July 30, 2018, 1:51 a.m.
Enigma Combinatorics100July 23, 2018, 5:11 p.m.
Image Noise100July 23, 2018, 4:01 a.m.
Number Sequence — Part 9100July 20, 2018, 5:37 p.m.
Number Sequence — Part 6100July 20, 2018, 5:20 p.m.
Double Columnar Transposition100July 17, 2018, 12:23 p.m.
ECDH-Key Exchange for Beginners100July 17, 2018, 3:06 a.m.
The Last Note100July 17, 2018, 2:21 a.m.
Heartbleed — Part 2100July 16, 2018, 1:37 a.m.
Heartbleed — Part 1 100July 16, 2018, 1:34 a.m.
A hidden word — Part 2100July 15, 2018, 10:38 p.m.
Molehunt (Part 2/3)100July 15, 2018, 9:47 p.m.
Molehunt (Part 1/3)100July 15, 2018, 9:29 p.m.
Reserve Hand Procedure — Part 1100July 11, 2018, 1:34 a.m.
Snow White and the seven dwarfs100July 8, 2018, 8:28 p.m.
Number Sequence — Part 10101July 7, 2018, 5:49 a.m.
Multilingual Monoalphabetic Substitution100July 7, 2018, 5:21 a.m.
Nils away on travel100July 6, 2018, 7:47 p.m.
Trifid Cipher100July 6, 2018, 2:09 a.m.
Hill Cipher with Sudoku Key100July 5, 2018, 12:59 a.m.
M-138 — Part 1100July 3, 2018, 9:44 p.m.
Pigpen with a twist — Part 1100July 2, 2018, 5:06 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100July 2, 2018, 3:37 p.m.
Enigma Messages with Repeated Letters — Part 1100July 2, 2018, 4:23 a.m.
¿No Hablas Español? No problemo!100July 2, 2018, 4:12 a.m.
Number Sequence — Part 5100July 1, 2018, 8:21 p.m.
From Russia with Love100June 25, 2018, 3:11 a.m.
Advent-Challenge — Part 1101June 24, 2018, 8:21 p.m.
Modified Caesar Cipher100June 24, 2018, 8:20 p.m.
How do you become a big cryptographer?100June 24, 2018, 8:12 p.m.
Number Sequence — Part 8100June 22, 2018, 3:52 a.m.
One-Time Pad with Flaws100June 21, 2018, 4:59 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100June 21, 2018, 4:15 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100June 21, 2018, 2:55 p.m.
Grille Cipher100June 21, 2018, 1:44 p.m.
Factorization Cipher — Part 1100June 21, 2018, 2:43 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100June 21, 2018, 1:11 a.m.
Monoalphabetic Substitution100June 20, 2018, 3:27 a.m.
A hidden word100June 11, 2018, 10:37 p.m.
Number Sequence — Part 4100June 11, 2018, 10:28 p.m.
Letter to the Templars — Part 2100June 11, 2018, 2:58 a.m.
Number Sequence — Part 3100June 11, 2018, 2:40 a.m.
Letter to the Templars — Part 1100June 11, 2018, 1:40 a.m.
Beaver Code100June 11, 2018, 1:27 a.m.
Caesar Encryption100June 10, 2018, 9:54 p.m.
Number Sequence — Part 2100June 10, 2018, 9:42 p.m.
Original Caesar Cipher100June 10, 2018, 9:39 p.m.
Number Sequence100June 10, 2018, 4:10 p.m.

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