Account

Name
Hans Peter
Username
hanspeter
Joined
Feb. 14, 2012, 4:01 p.m.

Rank
37
Points
52,356
Trophies
Gold4
Silver1
Bronze0

Active Challenges (3)

LevelNameAttemptsDate
Number Sequence — Part 92 / 15Nov. 8, 2018, 6:48 p.m.
Enigma Messages with Repeated Letters — Part 22 / 15Oct. 29, 2013, 4:02 p.m.
Number Sequence — Part 54 / 15May 23, 2012, 12:42 p.m.

Solved Challenges (102)

LevelNamePointsDate
Cryptanalysis Hacking Puzzles — Part 2100Nov. 17, 2019, 2:47 p.m.
News from Castle Mansfeld100Nov. 15, 2018, 7:37 a.m.
Modular Sequences102Nov. 15, 2018, 7:33 a.m.
Advent Challenge — Part 31,163Nov. 8, 2018, 6:58 p.m.
Advent-Challenge — Part 21,162Nov. 8, 2018, 6:57 p.m.
Summer Job1,204Nov. 8, 2018, 6:53 p.m.
Autokey Cipher102Nov. 8, 2018, 6:43 p.m.
Advent-Challenge — Part 1100Nov. 8, 2018, 6:41 p.m.
Number Sequence — Part 10100Nov. 8, 2018, 6:38 p.m.
Cryptanalysis Hacking Puzzles — Part 1108Nov. 8, 2018, 6:35 p.m.
Weakened Granit — Part 1100Sept. 17, 2016, 12:24 p.m.
The Last Note100Sept. 17, 2016, 12:19 p.m.
Number Sequence — Part 8100Sept. 17, 2016, 12:18 p.m.
Image Noise100Sept. 17, 2016, 12:17 p.m.
New Year's Greetings — Part 51,193Sept. 17, 2016, 12:16 p.m.
New Year's Greetings — Part 4101Sept. 17, 2016, 12:15 p.m.
New Year's Greetings — Part 3101Sept. 17, 2016, 12:15 p.m.
New Year's Greetings — Part 2101Sept. 17, 2016, 12:14 p.m.
New Year's Greetings — Part 1101Sept. 17, 2016, 12:13 p.m.
M-138 — Part 21,214May 1, 2015, 10:30 a.m.
M-138 — Part 1101May 1, 2015, 10:29 a.m.
A hidden word — Part 2107May 1, 2015, 10:28 a.m.
Trifid Cipher200Oct. 29, 2013, 1:43 p.m.
Enigma Messages with Repeated Letters — Part 1117Oct. 2, 2013, 11:01 a.m.
From Russia with Love200Sept. 5, 2013, 11:58 a.m.
Nils away on travel200Aug. 9, 2013, 11:02 a.m.
ORYX Stream Cipher — Part 3 (revised)1,547June 13, 2013, 12:21 p.m.
Snow White and the seven dwarfs120April 24, 2013, 9:25 p.m.
Reserve Hand Procedure — Part 1200March 7, 2013, 1:40 p.m.
Turing Bombe Enigma I100Jan. 28, 2013, 8:12 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Jan. 28, 2013, 1:39 a.m.
Cascading Encryption — Part 1/3200Jan. 26, 2013, 3:09 a.m.
Enigma Messages200Jan. 24, 2013, 10:43 a.m.
ORYX Stream Cipher Part II1,125Jan. 20, 2013, 2:16 a.m.
ORYX Stream Cipher Part I1,125Jan. 16, 2013, 11:15 p.m.
Playfair with hints about the grid200Jan. 16, 2013, 5:40 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,129Jan. 11, 2013, 11:50 p.m.
Ku Klux Klan1,000Jan. 11, 2013, 12:45 p.m.
A hidden word150Jan. 8, 2013, 8:44 a.m.
Strange Message from Thessaloniki200Dec. 10, 2012, 8:46 p.m.
Recycled One-Time Pad114Nov. 26, 2012, 5:48 p.m.
Monoalphabetic substitution with camouflage — Part 4100Nov. 9, 2012, 6:25 p.m.
Monoalphabetic substitution with camouflage — Part 31,161Nov. 9, 2012, 5:22 p.m.
Monoalphabetic substitution with camouflage — Part 21,161Nov. 9, 2012, 5:22 p.m.
Monoalphabetic substitution with camouflage — Part 1100Nov. 9, 2012, 5:21 p.m.
Pigpen with a twist — Part 31,150Nov. 8, 2012, 5:15 p.m.
Pigpen with a twist — Part 21,150Nov. 8, 2012, 5:15 p.m.
Letter to the Templars — Part 32,000Oct. 10, 2012, 10:03 a.m.
BCR code (Book-Caesar-RSA)1,824Sept. 14, 2012, 4:54 p.m.
Beaver Code200Aug. 14, 2012, 11:41 a.m.
Letter to the Templars — Part 2200July 31, 2012, 11:35 a.m.
Letter to the Templars — Part 1200July 17, 2012, 11:03 a.m.
Kaskade-S/T — Part 21,147June 7, 2012, 7:25 p.m.
Kaskade-S/T — Part 1100June 3, 2012, 8:57 p.m.
How do you become a big cryptographer?200May 28, 2012, 8:05 p.m.
Keyshanc — Part 21,824May 22, 2012, 10:20 p.m.
Keyshanc — Part 11,824May 22, 2012, 9:14 p.m.
¿No Hablas Español? No problemo!114April 25, 2012, 2:45 p.m.
Number Sequence — Part 4114April 25, 2012, 6:50 a.m.
Hybrid Encryption I1,142April 12, 2012, 11:22 a.m.
AES key — encoded in the machine readable zone of a European ePassport1,241April 12, 2012, 11:20 a.m.
Pigpen with a twist — Part 1100April 5, 2012, 10:04 p.m.
Partial Key Exposure with RSA — Part 11,278April 5, 2012, 10:03 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,141April 3, 2012, 9:45 a.m.
Molehunt (Part 3/3)1,142April 2, 2012, 10:21 a.m.
Molehunt (Part 2/3)100April 2, 2012, 10:21 a.m.
Molehunt (Part 1/3)100April 2, 2012, 10:20 a.m.
Number Sequence — Part 3200March 31, 2012, 10:54 a.m.
An Invisible Message101March 24, 2012, 12:20 p.m.
Music Code — Part 21,165March 22, 2012, 9:36 a.m.
Music Code — Part 1100March 22, 2012, 9:35 a.m.
A Secret Message from Castle Mansfeld100March 22, 2012, 9:35 a.m.
Letter from the Alleged Countess Julie von Ortenburg100March 22, 2012, 9:34 a.m.
Factorization Cipher — Part 21,223March 22, 2012, 9:25 a.m.
The Book Code: A Challenge for Bookworms200March 21, 2012, 4:45 p.m.
Factorization Cipher — Part 31,259March 15, 2012, 9:28 a.m.
Enigma Combinatorics100March 15, 2012, 9:28 a.m.
Enigma Part 11,142March 14, 2012, 10:58 a.m.
A really long number sequence1,191March 12, 2012, 1:15 p.m.
Modified Caesar Cipher101March 9, 2012, 12:38 p.m.
Classical Ciphers^3100March 8, 2012, 10:32 p.m.
ADFGVX — Part 2100March 8, 2012, 7:48 p.m.
ADFGVX — Part 1100March 8, 2012, 7:48 p.m.
ECDH-Key Exchange for Beginners200Feb. 24, 2012, 10:54 a.m.
Grille Cipher101Feb. 22, 2012, 1:33 p.m.
Broadcasting and low exponent — RSA Attack1,184Feb. 21, 2012, 9:41 p.m.
RSA: Two different keys — same ciphertext1,190Feb. 21, 2012, 9:22 p.m.
Cracking SHA1-Hashed Passwords1,163Feb. 19, 2012, 9:05 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Feb. 19, 2012, 7:29 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Feb. 19, 2012, 7 p.m.
Alice's Birthday Party (Part 2)1,144Feb. 19, 2012, 1:21 a.m.
Alice's Birthday Party (Part 1)1,144Feb. 19, 2012, 12:22 a.m.
Double Columnar Transposition101Feb. 17, 2012, 1:37 p.m.
Caesar Encryption100Feb. 16, 2012, 11:49 p.m.
Factorization Cipher — Part 1101Feb. 16, 2012, 11:45 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,145Feb. 16, 2012, midnight
Number Sequence — Part 2100Feb. 14, 2012, 7:02 p.m.
Number Sequence100Feb. 14, 2012, 6:57 p.m.
Monoalphabetic Substitution100Feb. 14, 2012, 6:45 p.m.
One-Time Pad with Flaws100Feb. 14, 2012, 5:46 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid101Feb. 14, 2012, 5:41 p.m.
Original Caesar Cipher100Feb. 14, 2012, 5:39 p.m.

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