Account

Name
Dr. Peter Uelkes
Username
RandyWaterhouse
Joined
July 27, 2019, 4:50 a.m.

Rank
83
Points
24,631
Trophies
Gold0
Silver0
Bronze0

Active Challenges (4)

LevelNameAttemptsDate
Find the right route — Part 13 / 15Dec. 10, 2021, 4:04 p.m.
Enigma Combinatorics2 / 20Dec. 6, 2021, 8:01 a.m.
The Einstein Enigma2 / 15Nov. 17, 2021, 1:40 p.m.
Zodiac Cipher1 / 15July 31, 2019, 4:25 p.m.

Solved Challenges (67)

LevelNamePointsDate
Trendy Messenger1,109Jan. 19, 2022, 7:18 a.m.
¿No Hablas Español? No problemo!100Jan. 7, 2022, 3:48 p.m.
Pigpen with a twist — Part 1100Jan. 7, 2022, 7:32 a.m.
Double Columnar Transposition100Jan. 6, 2022, 3:23 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Jan. 6, 2022, 7:44 a.m.
Molehunt (Part 3/3)1,080Dec. 20, 2021, 8:13 a.m.
Molehunt (Part 2/3)100Dec. 9, 2021, 8:36 a.m.
Molehunt (Part 1/3)100Dec. 9, 2021, 8:08 a.m.
Playfair Encryption100Dec. 3, 2021, 7:50 a.m.
Playfair with hints about the grid100Dec. 2, 2021, 2:41 p.m.
Enigma Messages100Dec. 2, 2021, 2:24 p.m.
Reserve Hand Procedure — Part 1100Dec. 2, 2021, 8:25 a.m.
Hill Cipher with Sudoku Key100Dec. 2, 2021, 7:34 a.m.
Enigma Messages with Repeated Letters — Part 1100Dec. 1, 2021, 10:49 a.m.
Summer Job1,111Nov. 30, 2021, 7:45 a.m.
Unusual encryption using a diophantine equation1,082Nov. 29, 2021, 11:54 a.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,081Nov. 29, 2021, 8:26 a.m.
Enigma Part 11,080Nov. 26, 2021, 10:50 a.m.
Broadcasting and low exponent — RSA Attack1,082Nov. 26, 2021, 7:59 a.m.
Letter from the Alleged Countess Julie von Ortenburg100Nov. 19, 2021, 8:27 a.m.
Nils away on travel100Nov. 18, 2021, 1:27 p.m.
From Russia with Love100Nov. 18, 2021, 1:20 p.m.
Number Sequence — Part 6100Nov. 18, 2021, 12:59 p.m.
Cryptanalysis Hacking Puzzles — Part 2100Nov. 18, 2021, 12:40 p.m.
Advent-Challenge — Part 1100Nov. 18, 2021, 12:34 p.m.
Autokey Cipher100Nov. 18, 2021, 12:28 p.m.
Wheatstone Cryptograph — Part 1100Nov. 18, 2021, 8:07 a.m.
Cracking SHA1-Hashed Passwords1,081Nov. 17, 2021, 2:34 p.m.
Monoalphabetic Substitution with Nostradamus Flavor1,118Nov. 17, 2021, 8:16 a.m.
The LoRa Cipher: Logic Randomness — Part 11,134Nov. 17, 2021, 7:45 a.m.
Factorization Cipher — Part 21,083Nov. 16, 2021, 7:38 a.m.
The Last Note100Nov. 12, 2021, 12:57 p.m.
How do you become a big cryptographer?100Nov. 11, 2021, 1:01 p.m.
Modular Sequences100Nov. 11, 2021, 12:56 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Nov. 10, 2021, 12:57 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Nov. 10, 2021, 12:45 p.m.
One-Time Pad with Flaws100Nov. 10, 2021, 6:09 a.m.
RSA: Two different keys — same ciphertext1,088Aug. 19, 2019, 7:26 a.m.
Fastest in the West1,150Aug. 18, 2019, 12:10 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,086Aug. 3, 2019, 7:30 a.m.
Alice's Birthday Party (Part 2)1,086Aug. 3, 2019, 7:02 a.m.
Alice's Birthday Party (Part 1)1,086Aug. 2, 2019, 6:01 p.m.
Trifid Cipher100Aug. 2, 2019, 8:05 a.m.
Monoalphabetic Substitution100July 31, 2019, 5:12 p.m.
Image Noise100July 31, 2019, 7:55 a.m.
M-138 — Part 21,102July 30, 2019, 10:42 a.m.
M-138 — Part 1100July 30, 2019, 7:43 a.m.
Snow White and the seven dwarfs100July 30, 2019, 7:20 a.m.
A hidden word100July 30, 2019, 6:49 a.m.
Letter to the Templars — Part 31,092July 29, 2019, 3:17 p.m.
Letter to the Templars — Part 2100July 29, 2019, 3:09 p.m.
Letter to the Templars — Part 1100July 29, 2019, 2:58 p.m.
Beaver Code100July 29, 2019, 2:04 p.m.
Factorization Cipher — Part 1100July 29, 2019, 7:43 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100July 29, 2019, 6:56 a.m.
Grille Cipher100July 28, 2019, 4:11 p.m.
Modified Caesar Cipher100July 28, 2019, 11:18 a.m.
Number Sequence — Part 10100July 27, 2019, 6:02 p.m.
Number Sequence — Part 8100July 27, 2019, 5:53 p.m.
Number Sequence — Part 7100July 27, 2019, 5:42 p.m.
Number Sequence — Part 5100July 27, 2019, 5:25 p.m.
Number Sequence — Part 4100July 27, 2019, 5:15 p.m.
Number Sequence — Part 3100July 27, 2019, 5:01 p.m.
Number Sequence — Part 2100July 27, 2019, 4:54 p.m.
Original Caesar Cipher100July 27, 2019, 7:36 a.m.
Number Sequence100July 27, 2019, 7:32 a.m.
Caesar Encryption100July 27, 2019, 7:22 a.m.

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