Account

Name
zahir mohsen moradi
Username
ariobarzan
Joined
Dec. 31, 2012, 5:16 p.m.

Rank
20
Points
99,757
Trophies
Gold0
Silver1
Bronze0

Active Challenges (2)

LevelNameAttemptsDate
Enigma Combinatorics2 / 20June 5, 2015, 1:57 p.m.
Number Sequence — Part 51 / 15Jan. 24, 2013, 6:56 p.m.

Solved Challenges (129)

LevelNamePointsDate
ASAC — A Strong(er) ADFGVX Cipher — Part 12,000July 9, 2016, 11:39 p.m.
Sigaba Part 11,096July 2, 2016, 7:47 p.m.
RSA with Special d13,331May 31, 2016, 6:56 p.m.
Multilingual Monoalphabetic Substitution100May 30, 2016, 9:23 p.m.
Ku Klux Klan1,000May 26, 2016, 11:53 p.m.
Pigpen with a twist — Part 1100May 23, 2016, 12:37 p.m.
How do you become a big cryptographer?100May 23, 2016, 11:19 a.m.
Akelarre Part 11,098May 3, 2016, 7:59 a.m.
New Year's Greetings — Part 51,330April 21, 2016, 9:37 p.m.
New Year's Greetings — Part 4103April 21, 2016, 7:52 p.m.
New Year's Greetings — Part 3103April 21, 2016, 7:12 p.m.
New Year's Greetings — Part 2103April 21, 2016, 6:53 p.m.
New Year's Greetings — Part 1103April 21, 2016, 6:41 p.m.
News from Castle Mansfeld101Jan. 28, 2016, 9:33 a.m.
Image Noise101Jan. 27, 2016, 10:25 p.m.
Purple 11,100Oct. 7, 2015, 4:31 a.m.
Lattice Part 11,103Sept. 26, 2015, 3:38 a.m.
Weakened Granit — Part 1150Sept. 25, 2015, 9:47 p.m.
M-138 — Part 31,172Sept. 18, 2015, 4:25 a.m.
Weakened Handycipher — Part 31,216Sept. 14, 2015, 6:27 p.m.
Weakened Handycipher — Part 21,216Sept. 14, 2015, 6:26 p.m.
Number Sequence — Part 8200Sept. 14, 2015, 6:23 p.m.
Spanish Strip Cipher — Part 21,141Sept. 12, 2015, 2:01 p.m.
Nils away on travel100Sept. 2, 2015, 5:27 p.m.
A hidden word — Part 2101Sept. 2, 2015, 4:51 p.m.
Double Column Transposition — Part 31,145Sept. 2, 2015, 3:58 p.m.
Double Column Transposition — Part 41,146Sept. 2, 2015, 12:44 p.m.
Double Column Transposition — Part 21,145Sept. 2, 2015, 7:09 a.m.
Monoalphabetic substitution with camouflage — Part 21,108Sept. 1, 2015, 1:31 p.m.
Weakened Handycipher — Part 11,229Aug. 22, 2015, 12:40 p.m.
Enigma Messages with Repeated Letters — Part 5100June 5, 2015, 1:11 p.m.
Enigma Messages with Repeated Letters — Part 4100June 4, 2015, 8:29 p.m.
Enigma Messages with Repeated Letters — Part 3100June 4, 2015, 7:46 p.m.
Enigma Messages with Repeated Letters — Part 2100June 4, 2015, 7:22 p.m.
The Last Note100June 3, 2015, 4:27 p.m.
Number Sequence — Part 6101June 3, 2015, 1:54 p.m.
Heartbleed — Part 2100May 29, 2015, 7:48 a.m.
Heartbleed — Part 1 100May 28, 2015, 1:28 p.m.
M-138 — Part 21,202May 28, 2015, 1:19 p.m.
M-138 — Part 1101May 27, 2015, 9:09 p.m.
Spanish Strip Cipher — Part 11,254June 7, 2014, 4:21 p.m.
Trifid Cipher200Oct. 29, 2013, 2:26 p.m.
Enigma Messages with Repeated Letters — Part 1200Sept. 26, 2013, 11:15 p.m.
Monoalphabetic substitution with camouflage — Part 4100Sept. 16, 2013, 3:19 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Sept. 15, 2013, 7:32 p.m.
Pigpen with a twist — Part 31,128Sept. 15, 2013, 4:15 p.m.
Pigpen with a twist — Part 21,128Sept. 15, 2013, 4:14 p.m.
Unusual encryption using a diophantine equation1,128Sept. 14, 2013, 10:26 a.m.
Not-so-Secret Message from Malawi — Part II (ECC)1,116Sept. 13, 2013, 11:04 p.m.
An 'unhearable' message100Sept. 11, 2013, 2:59 a.m.
An Invisible Message100Sept. 10, 2013, 11:55 p.m.
Number Sequence — Part 3100Sept. 10, 2013, 1:33 p.m.
A Secret Message from Castle Mansfeld100Sept. 10, 2013, 11:55 a.m.
Zodiac Cipher100Sept. 9, 2013, 9:22 a.m.
Enigma Messages100Sept. 8, 2013, 7:13 p.m.
Music Code — Part 21,124Sept. 7, 2013, 9:52 p.m.
Music Code — Part 1100Sept. 7, 2013, 9:51 p.m.
From Russia with Love133Sept. 7, 2013, 1:16 p.m.
Hill Cipher with Sudoku Key133Sept. 7, 2013, 12:07 p.m.
Recycled One-Time Pad100Sept. 2, 2013, 10:47 p.m.
Classical Ciphers^3100Sept. 1, 2013, 4:40 p.m.
Cascading Encryption — Part 1/3100Aug. 31, 2013, 12:33 p.m.
Monoalphabetic substitution with camouflage — Part 31,134Aug. 30, 2013, 5:36 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,141Aug. 30, 2013, 5:08 p.m.
Molehunt (Part 3/3)1,117Aug. 30, 2013, 2:19 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Aug. 29, 2013, 11:40 p.m.
ADFGVX — Part 1100Aug. 29, 2013, 7:30 p.m.
Molehunt (Part 2/3)100Aug. 29, 2013, 4:17 p.m.
Molehunt (Part 1/3)100Aug. 29, 2013, 3:38 p.m.
Double Columnar Transposition100Aug. 29, 2013, 12:49 p.m.
Monoalphabetic substitution with camouflage — Part 1100Aug. 28, 2013, 1:33 p.m.
¿No Hablas Español? No problemo!100Aug. 27, 2013, 9:54 p.m.
Enigma Part 11,117Aug. 27, 2013, 5:27 p.m.
Playfair with hints about the grid100Aug. 27, 2013, 4:30 p.m.
Playfair Encryption100Aug. 27, 2013, 4 p.m.
Enigma Part 21,117Aug. 25, 2013, 4:15 p.m.
Turing Bombe Enigma I100Aug. 24, 2013, 7:07 p.m.
Smartcard RSA1,117Aug. 15, 2013, 6:40 p.m.
Unconcealed RSA messages1,133Aug. 14, 2013, 7:02 p.m.
Keyshanc — Part 21,148Aug. 13, 2013, 6:46 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,120Aug. 11, 2013, 9:11 a.m.
Kaskade-S/T — Part 1100Aug. 8, 2013, 8:58 p.m.
ECDH-Key Exchange for Beginners100Aug. 8, 2013, 8:31 p.m.
Monoalphabetic Substitution100Aug. 5, 2013, 9:29 p.m.
Typex — Part 21,217Aug. 2, 2013, 2:56 p.m.
Typex — Part 11,202Aug. 2, 2013, 2:55 p.m.
RSA: Two different keys — same ciphertext1,131July 15, 2013, 9:12 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,140July 15, 2013, 8:41 p.m.
CMEA 213,696July 15, 2013, 7:57 a.m.
CMEA 11,120July 15, 2013, 7:56 a.m.
ADFGVX — Part 2100July 8, 2013, 7:58 a.m.
Keyshanc — Part 11,152July 8, 2013, 7:56 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,118July 6, 2013, 5:07 p.m.
ORYX Stream Cipher Part II1,118July 6, 2013, 4:58 p.m.
ORYX Stream Cipher Part I1,118July 6, 2013, 4:57 p.m.
Kaskade-S/T — Part 21,123July 6, 2013, 4:54 p.m.
Kaskade-S/T — Part 31,123July 6, 2013, 4:51 p.m.
Partial Key Exposure with RSA — Part 11,143July 6, 2013, 4:45 p.m.
Reserve Hand Procedure — Part 1101July 6, 2013, 4:43 p.m.
Snow White and the seven dwarfs101July 6, 2013, 4:42 p.m.
ORYX Stream Cipher — Part 3 (revised)1,337July 6, 2013, 6:44 a.m.
Hybrid Encryption I1,125Feb. 7, 2013, 12:16 a.m.
A really long number sequence1,142Feb. 5, 2013, 8:11 p.m.
BCR code (Book-Caesar-RSA)1,206Feb. 5, 2013, 8:01 p.m.
Alice's Birthday Party (Part 2)1,124Feb. 3, 2013, 10:47 p.m.
Alice's Birthday Party (Part 1)1,124Feb. 3, 2013, 10:26 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,124Feb. 2, 2013, 9:49 p.m.
Broadcasting and low exponent — RSA Attack1,139Feb. 2, 2013, 5:31 p.m.
Cracking SHA1-Hashed Passwords1,132Feb. 2, 2013, 12:20 p.m.
Factorization Cipher — Part 31,154Jan. 31, 2013, 6:27 p.m.
Factorization Cipher — Part 21,150Jan. 30, 2013, 4:51 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Jan. 28, 2013, 8:13 p.m.
Factorization Cipher — Part 1100Jan. 27, 2013, 9:30 p.m.
Grille Cipher100Jan. 27, 2013, 11:19 a.m.
The Book Code: A Challenge for Bookworms100Jan. 26, 2013, 8:05 p.m.
One-Time Pad with Flaws100Jan. 26, 2013, 4:16 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Jan. 26, 2013, 12:48 a.m.
A modified homophonic cipher with reduced alphabets — Part 1100Jan. 25, 2013, 11:25 p.m.
Modified Caesar Cipher100Jan. 25, 2013, 9:55 p.m.
A hidden word125Jan. 9, 2013, 11:22 p.m.
Caesar Encryption100Jan. 9, 2013, 10:55 p.m.
Letter to the Templars — Part 31,236Jan. 9, 2013, 9:56 p.m.
Letter to the Templars — Part 2101Jan. 9, 2013, 9:31 p.m.
Letter to the Templars — Part 1101Jan. 9, 2013, 9:12 p.m.
Beaver Code101Jan. 9, 2013, 7:36 p.m.
Original Caesar Cipher100Jan. 9, 2013, 7:01 p.m.
Number Sequence — Part 4100Dec. 31, 2012, 7:22 p.m.
Number Sequence — Part 2100Dec. 31, 2012, 6:24 p.m.
Number Sequence100Dec. 31, 2012, 6:19 p.m.

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