MysteryTwister C3
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Articles about MysteryTwister C3

Wikipedia on MTC3


Cryptography Websites

cryptool-online.org: Website optimized for smartphones by CrypTool

cia.gov: Some easy cryptography riddles for children

nsa.gov: Cryptography website for kids by the NSA

cryptoclub.math.uic.edu: Website of the Cryptoclub of the University of Illinois at Chicago (UIC) (very colourful, for kids, Macromedia Flash required)

pegasus.cc.ucf.edu: Cryptography club of the University of Central Florida (last update 2003; certificate invalid since Dec 1st, 2017)

davidmeyercreations.com: Edgar Allan Poe Challenge

simonsingh.net: Webpage to the book "The Code Book" by Simon Singh from the year 2000 (plus the corresponding cipher challenge)

klausis-krypto-kolumne: Klaus Schmeh's blog about ciphers and encryption consistently introduces (old) ciphertexts, which are often solved with the help of its readers.

bsi-fuer-buerger.de: An animation movie about bot networks by the Dutch Government Computer Emergency Response Team


Cryptography Challenges

www.mysterytwisterc3.org/en/: Cipher contest with more than 200 challenges of different levels, a moderated forum, and a hall-of-fame

cipher.maths.soton.ac.uk: Cryptography challenge of the University of Southampton (UK) for students up to 18 years

codebreakers.eu: Website about the CODEBREAKERS.EU cryptology game (currently 4th edition) (a game for teams with three members, offering 3 levels a 6 tasks (lectures), supported by hints and "cryptologic bombs", often dealing with the Enigma)

cryptopals.com: Matasano Crypto Challenges (8 sets and 48 exercises demonstrating attacks on real-world crypto; solutions planned to be published)

fbi.gov: Challenge by the FBI

certicom.com: ECC challenge by Certicom

latticechallenge.org: Lattice Challenge for mathematicians

undercover-job.com: In the project UNDERCOVER JOB, ten tasks combining music and cryptography/steganography had to be solved.

users.telenet.be: Enigma Cipher Challenge


(Useful) Github Repositories

github.com/pFarb: A curated list of cryptography papers, articles, tutorials, and howtos

github.com/sobolevn: A curated list of cryptography resources and links

github.com/bxium: List of art projects with a potential connection to crypto


 
 
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   +++    [16:58 - 24.09.2018] undead_army69 solved the Level I challenge 'Number Sequence'    +++    [16:06 - 24.09.2018] dk_1111 solved the Level I challenge 'Number Sequence — Part 4'    +++    [15:44 - 24.09.2018] dk_1111 solved the Level I challenge 'Number Sequence — Part 3'    +++    [14:56 - 24.09.2018] dk_1111 solved the Level I challenge 'A hidden word'    +++    [21:33 - 23.09.2018] obi99 solved the Level I challenge 'Caesar Encryption'    +++