Account

Name
Snake
Username
snk
Joined
Jan. 28, 2013, 2:06 p.m.

Rank
11
Points
187,883
Trophies
Gold7
Silver11
Bronze13

Active Challenges (3)

LevelNameAttemptsDate
Handycipher made in love — Part 25 / 15Nov. 1, 2021, 8:58 p.m.
"The Road" — Part 32 / 15Dec. 11, 2018, 7:36 p.m.
Enigma Combinatorics7 / 20June 18, 2014, 1:03 p.m.

Solved Challenges (177)

LevelNamePointsDate
Find the right route — Part 3100Nov. 1, 2021, 8:35 p.m.
Wheatstone Cryptograph — Part 1133April 23, 2021, 11:07 p.m.
The SZ42 Challenge — Part 81,456Nov. 11, 2020, 9:46 p.m.
Image Noise100Nov. 1, 2020, 8:12 p.m.
Find the right route — Part 1200Oct. 27, 2020, 8:36 p.m.
The SZ42 Challenge — Part 51,824Sept. 4, 2020, 6:20 p.m.
The SZ42 Challenge — Part 41,576Sept. 4, 2020, 6:19 p.m.
M-138 — Part 41,097Aug. 5, 2020, 3:49 p.m.
Lightweight Introduction to Lattices — Part 32,000July 16, 2020, 3:07 p.m.
Lightweight Introduction to Lattices — Part 2200June 24, 2020, 10:36 a.m.
Cascading Encryption — Part 2/31,091June 8, 2020, 9:03 a.m.
Lightweight Introduction to Lattices — Part 1200May 16, 2020, 8:07 p.m.
Typex — Part 11,091April 12, 2020, 7:14 p.m.
ORYX Stream Cipher Part I1,084April 10, 2020, 9:04 p.m.
Polyhomophonic Substitution — Part 32,000April 7, 2020, 8:54 a.m.
Unconcealed RSA messages1,087April 3, 2020, 4:44 p.m.
Lattice Part 11,085April 1, 2020, 2:21 p.m.
Smartcard RSA1,084April 1, 2020, 10:22 a.m.
Polyhomophonic Substitution — Part 22,000March 28, 2020, 5:30 p.m.
The SIGABA Challenge — Part 520,000March 26, 2020, 9:39 p.m.
RSA Factoring Challenge: RSA-2320March 25, 2020, 1:36 p.m.
The T52 Sturgeon Challenge — Part 121,181March 23, 2020, 11:23 p.m.
The T52 Sturgeon Challenge — Part 101,181March 23, 2020, 4:25 p.m.
The T52 Sturgeon Challenge — Part 71,181March 23, 2020, 9:59 a.m.
The T52 Sturgeon Challenge — Part 61,181March 22, 2020, 10:48 p.m.
The T52 Sturgeon Challenge — Part 111,181March 22, 2020, 8:17 p.m.
The T52 Sturgeon Challenge — Part 81,181March 22, 2020, 1:03 p.m.
Polyhomophonic Substitution — Part 1200March 22, 2020, 10:09 a.m.
The SIGABA Challenge — Part 21,406March 21, 2020, 9:49 p.m.
The SIGABA Challenge — Part 317,290March 21, 2020, 7:19 p.m.
The SIGABA Challenge — Part 418,390March 21, 2020, 5:08 p.m.
The SIGABA Challenge — Part 11,373March 21, 2020, 2:15 p.m.
The T52 Sturgeon Challenge — Part 91,181March 20, 2020, 5:08 p.m.
The T52 Sturgeon Challenge — Part 51,181March 20, 2020, 5:07 p.m.
The T52 Sturgeon Challenge — Part 41,177March 19, 2020, 10:22 p.m.
The T52 Sturgeon Challenge — Part 31,178March 18, 2020, 10:24 p.m.
The T52 Sturgeon Challenge — Part 21,178March 18, 2020, 10:23 p.m.
The T52 Sturgeon Challenge — Part 11,176March 18, 2020, 8:53 p.m.
RSA Factoring Challenge: RSA-2500March 16, 2020, 10:31 p.m.
The LoRa Cipher: Logic Randomness — Part 12,000Feb. 20, 2020, 5:26 p.m.
Polyphonic Substitution Cipher — Part 22,000Jan. 14, 2020, 9:48 p.m.
CMEA 11,085Jan. 6, 2020, 3:07 p.m.
RSA Factoring Challenge: RSA-2400Dec. 2, 2019, 8:05 p.m.
Cipher ID — Part 11,444Dec. 2, 2019, 11:48 a.m.
Polyphonic Substitution Cipher — Part 11,725Nov. 23, 2019, 9:47 p.m.
"The Road" — Part 11,160Nov. 14, 2019, 9:04 p.m.
Breaking a Filter Generator1,156Oct. 5, 2019, 9:29 a.m.
Heartbleed — Part 31,100Sept. 26, 2019, 9:57 a.m.
Heartbleed — Part 1 100Sept. 26, 2019, 9:53 a.m.
A Cloaked Substitution Cipher — Part 22,000Aug. 26, 2019, 1:58 a.m.
A Cloaked Substitution Cipher — Part 12,000Aug. 21, 2019, 7:03 p.m.
Homophonic Encryption — Part 21,725May 10, 2019, 10:29 p.m.
Homophonic Encryption — Part 42,000May 9, 2019, 2:10 p.m.
Homophonic Encryption — Part 32,000May 9, 2019, 1:48 p.m.
Homophonic Encryption — Part 12,000May 4, 2019, 8:15 p.m.
Cryptanalysis Hacking Puzzles — Part 2102March 10, 2019, 1:49 p.m.
Weakened Handycipher — Part 11,108March 6, 2019, 1:55 p.m.
Handycipher made in love — Part 11,824Feb. 17, 2019, 7:03 p.m.
Monoalphabetic Substitution with Nostradamus Flavor1,824Feb. 17, 2019, 5:11 p.m.
Trendy Messenger1,199Nov. 23, 2018, 4:13 p.m.
RSA Factoring Challenge: RSA-2300Nov. 10, 2018, 11:19 p.m.
Cryptanalysis Hacking Puzzles — Part 1150Oct. 28, 2018, 5:45 p.m.
Modular Sequences200Sept. 25, 2018, 5:05 p.m.
Autokey Cipher200Sept. 25, 2018, 4:08 p.m.
Number Sequence — Part 5100Aug. 29, 2018, 12:50 p.m.
Unusual encryption using a diophantine equation1,092July 16, 2018, 4:40 p.m.
Summer Job1,330July 13, 2018, 9:05 p.m.
Fastest in the West1,469June 22, 2018, 10:48 p.m.
Number Sequence — Part 10200April 19, 2018, 10:02 a.m.
Number Sequence — Part 9101Feb. 23, 2018, 5:46 p.m.
The Einstein Enigma2,000Feb. 8, 2018, 9:10 p.m.
Advent Challenge — Part 41,502Dec. 29, 2017, 9:06 p.m.
Advent Challenge — Part 32,000Dec. 22, 2017, 9:41 p.m.
AES ECB Wrong Encoding1,824Dec. 17, 2017, 9:48 p.m.
Advent-Challenge — Part 22,000Dec. 17, 2017, 1:08 p.m.
Advent-Challenge — Part 1150Dec. 10, 2017, 2:33 p.m.
Number Sequence — Part 7100Sept. 13, 2017, 1:39 p.m.
Molehunt (Part 3/3)1,095Dec. 18, 2016, 4:12 p.m.
RSA Factoring Challenge: RSA-2200Dec. 1, 2016, 4:20 p.m.
ASAC — A Strong(er) ADFGVX Cipher — Part 12,000July 10, 2016, 6:57 p.m.
Pigpen with a twist — Part 21,105Dec. 1, 2015, 3:38 p.m.
News from Castle Mansfeld200Nov. 13, 2015, 3:30 p.m.
Weakened Granit — Part 1200Sept. 24, 2015, 1:14 p.m.
M-138 — Part 31,172Sept. 18, 2015, 1:31 p.m.
Number Sequence — Part 8200Sept. 14, 2015, 1:37 p.m.
A really long number sequence1,109April 15, 2015, 7:11 p.m.
Number Sequence — Part 6200March 23, 2015, 1:02 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,106Feb. 27, 2015, 1:45 p.m.
M-138 — Part 22,000Dec. 24, 2014, 9:51 p.m.
M-138 — Part 1200Dec. 24, 2014, 2:45 p.m.
RSA Factoring Challenge: RSA-2100Nov. 10, 2014, 6:11 p.m.
RSA Factoring Challenge: RSA-7040Nov. 10, 2014, 6:06 p.m.
The Last Note200Sept. 23, 2014, 4:49 p.m.
Factorization Cipher — Part 21,118Sept. 12, 2014, 2:11 p.m.
Monoalphabetic substitution with camouflage — Part 4100July 16, 2014, 12:27 p.m.
Enigma Part 11,108July 16, 2014, 12:26 p.m.
Double Column Transposition — Part 31,254July 13, 2014, 11:30 p.m.
Double Column Transposition — Part 11,234July 9, 2014, 12:13 p.m.
Enigma Messages100June 27, 2014, 9:15 a.m.
Spanish Strip Cipher — Part 21,238June 26, 2014, 11:58 a.m.
AES key — encoded in the machine readable zone of a European ePassport1,122June 25, 2014, 2:44 p.m.
Pigpen with a twist — Part 31,117June 19, 2014, 5:30 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,109June 18, 2014, 6:24 p.m.
Zodiac Cipher100June 15, 2014, 7:08 p.m.
Monoalphabetic Substitution with Camouflage — Part 51,125June 15, 2014, 3:52 p.m.
Monoalphabetic substitution with camouflage — Part 31,121June 13, 2014, 12:41 p.m.
Monoalphabetic substitution with camouflage — Part 21,121June 11, 2014, 7:24 p.m.
Enigma Messages with Repeated Letters — Part 2100June 6, 2014, 4:17 p.m.
Enigma Messages with Repeated Letters — Part 5101June 6, 2014, 1:45 p.m.
Enigma Part 21,109June 6, 2014, 12:50 p.m.
RSA: Two different keys — same ciphertext1,117June 6, 2014, 10:02 a.m.
Music Code — Part 1100June 3, 2014, 11:19 a.m.
Music Code — Part 21,115June 3, 2014, 11:19 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,109May 27, 2014, 8:36 a.m.
Double Column Transposition — Part 42,000May 20, 2014, 8:53 a.m.
Double Column Transposition — Part 21,547May 9, 2014, 10:33 a.m.
Kaskade-S/T — Part 1100April 8, 2014, 11:37 a.m.
Spanish Strip Cipher — Part 11,613March 31, 2014, 7:52 p.m.
Classical Ciphers^3100March 13, 2014, 5:25 p.m.
Factorization Cipher — Part 31,126March 13, 2014, 5:01 p.m.
Enigma Messages with Repeated Letters — Part 4200March 6, 2014, 12:03 p.m.
Enigma Messages with Repeated Letters — Part 3200March 6, 2014, 10:31 a.m.
Strange Message from Thessaloniki100Dec. 3, 2013, 2:27 p.m.
ECDH-Key Exchange for Beginners100Nov. 20, 2013, 5:48 p.m.
Trifid Cipher200Oct. 29, 2013, 11:28 a.m.
Hybrid Encryption I1,116Oct. 10, 2013, 7:42 p.m.
Alice's Birthday Party (Part 2)1,115Oct. 7, 2013, 4:13 p.m.
Broadcasting and low exponent — RSA Attack1,125Oct. 7, 2013, 3:04 p.m.
Enigma Messages with Repeated Letters — Part 1109Oct. 7, 2013, 10:21 a.m.
From Russia with Love200Sept. 4, 2013, 5:09 p.m.
Keyshanc — Part 21,149Aug. 8, 2013, 11:10 p.m.
Nils away on travel200Aug. 8, 2013, 6:28 p.m.
Keyshanc — Part 11,149Aug. 7, 2013, 7:30 p.m.
Monoalphabetic substitution with camouflage — Part 1100Aug. 5, 2013, 10:46 a.m.
Alice's Birthday Party (Part 1)1,120May 23, 2013, 9:10 a.m.
Modified Caesar Cipher100May 21, 2013, 7:42 a.m.
BCR code (Book-Caesar-RSA)1,176May 20, 2013, 12:46 p.m.
How do you become a big cryptographer?100May 19, 2013, 5:43 p.m.
ADFGVX — Part 1100May 12, 2013, 10:06 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100April 28, 2013, 7:37 p.m.
Snow White and the seven dwarfs120April 25, 2013, 9:57 a.m.
Recycled One-Time Pad101April 17, 2013, 3:58 p.m.
Cracking SHA1-Hashed Passwords1,128April 16, 2013, 6:32 p.m.
One-Time Pad with Flaws100April 15, 2013, 6:08 p.m.
Double Columnar Transposition100March 18, 2013, 1:17 p.m.
Turing Bombe Enigma I100March 14, 2013, 10:25 a.m.
A modified homophonic cipher with reduced alphabets — Part 2100March 12, 2013, 2:30 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100March 12, 2013, 2:30 p.m.
Molehunt (Part 2/3)100March 8, 2013, 1:22 p.m.
Molehunt (Part 1/3)100March 8, 2013, 12:34 p.m.
Cascading Encryption — Part 1/3102March 8, 2013, 12:09 p.m.
Reserve Hand Procedure — Part 1200March 7, 2013, 1:12 p.m.
Monoalphabetic Substitution100Feb. 24, 2013, 5:29 p.m.
A Secret Message from Castle Mansfeld100Feb. 24, 2013, 4:22 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Feb. 19, 2013, 1:27 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Feb. 12, 2013, 11:22 a.m.
Grille Cipher100Feb. 3, 2013, 3:30 p.m.
Ku Klux Klan1,000Feb. 2, 2013, 8:57 p.m.
ADFGVX — Part 2100Feb. 2, 2013, 6:53 p.m.
Multilingual Monoalphabetic Substitution150Jan. 31, 2013, 4:01 p.m.
Playfair Encryption100Jan. 28, 2013, 6:13 p.m.
Caesar Encryption100Jan. 28, 2013, 5:27 p.m.
Letter to the Templars — Part 31,223Jan. 28, 2013, 3:57 p.m.
The Book Code: A Challenge for Bookworms100Jan. 28, 2013, 3:56 p.m.
Playfair with hints about the grid108Jan. 28, 2013, 3:55 p.m.
Pigpen with a twist — Part 1100Jan. 28, 2013, 3:47 p.m.
Original Caesar Cipher100Jan. 28, 2013, 3:47 p.m.
Number Sequence — Part 4100Jan. 28, 2013, 3:46 p.m.
Number Sequence — Part 3100Jan. 28, 2013, 3:46 p.m.
Number Sequence — Part 2100Jan. 28, 2013, 3:45 p.m.
Number Sequence100Jan. 28, 2013, 3:45 p.m.
¿No Hablas Español? No problemo!100Jan. 28, 2013, 3:44 p.m.
Letter to the Templars — Part 2101Jan. 28, 2013, 3:36 p.m.
Letter to the Templars — Part 1101Jan. 28, 2013, 3:36 p.m.
Factorization Cipher — Part 1100Jan. 28, 2013, 3:34 p.m.
Beaver Code101Jan. 28, 2013, 3:16 p.m.
A hidden word104Jan. 28, 2013, 3:14 p.m.

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