Account

Name

Robert

Username

rm

Joined

July 31, 2014, 7:13 p.m.

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Points

56,475

Rank

43

Trophies

Gold1

Silver5

Bronze1

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Progress

78 / 92

41 / 177

0 / 75

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Links

Forum profile

Active Challenges (1)

Level	Name	Attempts	Date
	Heartbleed — Part 3	1 / 50	Aug. 29, 2014, 4:21 a.m.

Solved Challenges (119)

Level	Name	Points	Date
	Number Sequence — Part 10	113	April 26, 2018, 12:22 a.m.
	Advent-Challenge — Part 1	200	Dec. 9, 2017, 12:52 a.m.
	Number Sequence — Part 9	150	Nov. 18, 2017, 4:55 p.m.
	ASAC — A Strong(er) ADFGVX Cipher — Part 1	1,613	July 13, 2016, 8:20 p.m.
	Keyshanc — Part 2	1,107	April 23, 2016, 5:36 p.m.
	Pigpen with a twist — Part 2	1,102	April 23, 2016, 1:14 a.m.
	ORYX Stream Cipher Part II	1,097	April 20, 2016, 3:36 p.m.
	Double Column Transposition — Part 1	1,128	April 16, 2016, 12:12 a.m.
	Double Column Transposition — Part 3	1,130	April 14, 2016, 3:11 p.m.
	Double Column Transposition — Part 4	1,131	April 13, 2016, 7:14 p.m.
	Double Column Transposition — Part 2	1,130	April 13, 2016, 10:17 a.m.
	New Year's Greetings — Part 4	200	March 21, 2016, 3:49 p.m.
	New Year's Greetings — Part 3	200	March 21, 2016, 3:33 p.m.
	New Year's Greetings — Part 2	200	March 21, 2016, 3:27 p.m.
	New Year's Greetings — Part 1	200	March 21, 2016, 3:23 p.m.
	Pigpen with a twist — Part 3	1,104	Jan. 16, 2016, 8:14 p.m.
	Unconcealed RSA messages	1,105	Jan. 2, 2016, 8:24 p.m.
	Unusual encryption using a diophantine equation	1,105	Dec. 7, 2015, 2:01 p.m.
	Lunchtime Attack on the Fully Homomorphic Encryption Scheme	1,101	Dec. 6, 2015, 5:29 p.m.
	Image Noise	200	Nov. 21, 2015, 12:20 a.m.
	News from Castle Mansfeld	150	Nov. 14, 2015, 11:38 p.m.
	A hidden word — Part 2	101	Oct. 9, 2015, 12:57 a.m.
	Flawed Usage of a OTP Cipher by the BND	1,292	Oct. 8, 2015, 9:06 p.m.
	Weakened Granit — Part 1	200	Sept. 24, 2015, 7:44 p.m.
	Number Sequence — Part 8	200	Sept. 14, 2015, 10:39 a.m.
	Keyshanc — Part 1	1,113	Aug. 2, 2015, 6:55 p.m.
	Music Code — Part 2	1,105	July 29, 2015, 6:13 p.m.
	Music Code — Part 1	100	July 29, 2015, 6:10 p.m.
	Monoalphabetic substitution with camouflage — Part 4	100	July 24, 2015, 3:59 p.m.
	Monoalphabetic Substitution with Camouflage — Part 5	1,112	July 22, 2015, 10:23 p.m.
	Monoalphabetic substitution with camouflage — Part 3	1,109	July 21, 2015, 8:37 p.m.
	Monoalphabetic substitution with camouflage — Part 2	1,109	July 20, 2015, 10:52 p.m.
	Monoalphabetic substitution with camouflage — Part 1	100	July 3, 2015, 2:02 p.m.
	Number Sequence — Part 7	102	May 20, 2015, 11:20 p.m.
	Number Sequence — Part 6	125	March 26, 2015, 8:14 p.m.
	M-138 — Part 3	1,444	Jan. 5, 2015, 3:01 a.m.
	M-138 — Part 2	1,824	Dec. 25, 2014, 2:38 a.m.
	M-138 — Part 1	200	Dec. 24, 2014, 4:32 p.m.
	Kaskade-S/T — Part 2	1,108	Dec. 19, 2014, 8:44 p.m.
	Factorization Cipher — Part 3	1,116	Dec. 16, 2014, 5:20 p.m.
	Molehunt (Part 3/3)	1,105	Dec. 15, 2014, 6:42 p.m.
	Partial Key Exposure with RSA — Part 1	1,117	Dec. 5, 2014, 1:22 a.m.
	Smartcard RSA	1,106	Dec. 2, 2014, 11:38 p.m.
	ORYX Stream Cipher Part I	1,106	Nov. 25, 2014, 9:14 p.m.
	Factorization Cipher — Part 2	1,117	Oct. 10, 2014, 2:50 a.m.
	An 'unhearable' message	100	Sept. 28, 2014, 12:15 a.m.
	An Invisible Message	100	Sept. 26, 2014, 12:42 a.m.
	Strange Message from Thessaloniki	100	Sept. 25, 2014, 7:30 p.m.
	Number Sequence — Part 5	100	Sept. 25, 2014, 2:37 p.m.
	Enigma Combinatorics	100	Sept. 25, 2014, 2:13 p.m.
	AES key — encoded in the machine readable zone of a European ePassport	1,119	Sept. 23, 2014, 12:52 p.m.
	The Last Note	200	Sept. 23, 2014, 12:23 a.m.
	Enigma Part 2	1,107	Sept. 19, 2014, 1:14 p.m.
	Enigma Part 1	1,107	Sept. 19, 2014, 12:06 p.m.
	Hybrid Encryption I	1,107	Sept. 19, 2014, 1:21 a.m.
	Heartbleed — Part 2	200	Aug. 29, 2014, 5:17 a.m.
	Heartbleed — Part 1	200	Aug. 29, 2014, 2:38 a.m.
	Turing Bombe Enigma I	100	Aug. 8, 2014, 11:36 p.m.
	Kaskade-S/T — Part 1	100	Aug. 8, 2014, 9:40 p.m.
	Broadcasting and low exponent — RSA Attack	1,115	Aug. 8, 2014, 6:26 p.m.
	Monoalphabetic Substitution	100	July 31, 2014, 11:48 p.m.
	RSA: Two different keys — same ciphertext	1,116	July 31, 2014, 11:15 p.m.
	Not-so-Secret Message from Malawi — Part I (RSA)	1,108	July 31, 2014, 11:14 p.m.
	A really long number sequence	1,116	July 31, 2014, 11:13 p.m.
	Brute-Force-Attack on Triple-DES with Reduced Key Space	1,108	July 31, 2014, 11:11 p.m.
	BCR code (Book-Caesar-RSA)	1,131	July 31, 2014, 11:10 p.m.
	Zodiac Cipher	100	July 31, 2014, 11:09 p.m.
	Trifid Cipher	100	July 31, 2014, 11:06 p.m.
	Recycled One-Time Pad	100	July 31, 2014, 11:04 p.m.
	Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1	100	July 31, 2014, 11:03 p.m.
	Playfair with hints about the grid	100	July 31, 2014, 11:02 p.m.
	¿No Hablas Español? No problemo!	100	July 31, 2014, 11:01 p.m.
	Multilingual Monoalphabetic Substitution	100	July 31, 2014, 11 p.m.
	Cascading Encryption — Part 1/3	100	July 31, 2014, 10:59 p.m.
	Hill Cipher with Sudoku Key	100	July 31, 2014, 10:58 p.m.
	Enigma Messages with Repeated Letters — Part 5	101	July 31, 2014, 10:56 p.m.
	Enigma Messages with Repeated Letters — Part 4	101	July 31, 2014, 10:55 p.m.
	Enigma Messages with Repeated Letters — Part 3	101	July 31, 2014, 10:54 p.m.
	Enigma Messages with Repeated Letters — Part 2	100	July 31, 2014, 10:53 p.m.
	Enigma Messages	100	July 31, 2014, 10:52 p.m.
	ECDH-Key Exchange for Beginners	100	July 31, 2014, 10:50 p.m.
	Double Columnar Transposition	100	July 31, 2014, 10:49 p.m.
	Playfair Encryption	100	July 31, 2014, 10:48 p.m.
	ADFGVX — Part 2	100	July 31, 2014, 10:47 p.m.
	ADFGVX — Part 1	100	July 31, 2014, 10:46 p.m.
	Enigma Messages with Repeated Letters — Part 1	100	July 31, 2014, 10:40 p.m.
	Nils away on travel	100	July 31, 2014, 10:39 p.m.
	The Book Code: A Challenge for Bookworms	100	July 31, 2014, 10:35 p.m.
	A Secret Message from Castle Mansfeld	100	July 31, 2014, 10:34 p.m.
	Molehunt (Part 1/3)	100	July 31, 2014, 10:33 p.m.
	Molehunt (Part 2/3)	100	July 31, 2014, 10:32 p.m.
	Pigpen with a twist — Part 1	100	July 31, 2014, 10:31 p.m.
	From Russia with Love	100	July 31, 2014, 10:29 p.m.
	How do you become a big cryptographer?	100	July 31, 2014, 10:29 p.m.
	Classical Ciphers^3	100	July 31, 2014, 10:27 p.m.
	Modified Caesar Cipher	100	July 31, 2014, 10:25 p.m.
	Letter from the Alleged Countess Julie von Ortenburg	100	July 31, 2014, 10:22 p.m.
	Reserve Hand Procedure — Part 1	100	July 31, 2014, 10:21 p.m.
	Alice's Birthday Party (Part 2)	1,108	July 31, 2014, 10:18 p.m.
	Alice's Birthday Party (Part 1)	1,108	July 31, 2014, 10:17 p.m.
	Snow White and the seven dwarfs	100	July 31, 2014, 10:13 p.m.
	Cracking SHA1-Hashed Passwords	1,112	July 31, 2014, 10:12 p.m.
	One-Time Pad with Flaws	100	July 31, 2014, 10:11 p.m.
	A modified homophonic cipher with reduced alphabets — Part 2	100	July 31, 2014, 10:01 p.m.
	Grille Cipher	100	July 31, 2014, 9:58 p.m.
	Letter to the Templars — Part 3	1,133	July 31, 2014, 9:54 p.m.
	A hidden word	100	July 31, 2014, 9:53 p.m.
	A modified homophonic cipher with reduced alphabets — Part 1	100	July 31, 2014, 9:51 p.m.
	Factorization Cipher — Part 1	100	July 31, 2014, 9:49 p.m.
	Affine Codes / Modulo Arithmetic with N / Extended Euclid	100	July 31, 2014, 9:48 p.m.
	Number Sequence — Part 4	100	July 31, 2014, 9:47 p.m.
	Letter to the Templars — Part 2	100	July 31, 2014, 9:45 p.m.
	Letter to the Templars — Part 1	100	July 31, 2014, 9:32 p.m.
	Number Sequence — Part 3	100	July 31, 2014, 9:31 p.m.
	Beaver Code	100	July 31, 2014, 9:28 p.m.
	Caesar Encryption	100	July 31, 2014, 9:26 p.m.
	Number Sequence — Part 2	100	July 31, 2014, 9:24 p.m.
	Original Caesar Cipher	100	July 31, 2014, 9:22 p.m.
	Number Sequence	100	July 31, 2014, 9:20 p.m.