Puzzles: Difference between revisions
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[[Puzzles/Crypto Level 1/Puzzle 4]] - Blocks of 8 integers, numbers -> letters -> message directly, filled in with DDDs | [[Puzzles/Crypto Level 1/Puzzle 4]] - Blocks of 8 integers, numbers -> letters -> message directly, filled in with DDDs | ||
[[Puzzles/Crypto Level 1/Puzzle 5]] - Affine cipher ax+b, gcd | [[Puzzles/Crypto Level 1/Puzzle 5]] - Affine cipher ax+b (modular arithmetic focus, gcd, Euclid's algorithm) | ||
[[Puzzles/Crypto Level 1/Puzzle 6]] - Affine cipher ax+b | [[Puzzles/Crypto Level 1/Puzzle 6]] - Affine cipher ax+b (cipher focus) | ||
[[Puzzles/Crypto Level 1/Puzzle 7]] - OTP - modular arithmetic, chunks of data, first line of novels as OTP keys. | [[Puzzles/Crypto Level 1/Puzzle 7]] - OTP - modular arithmetic, chunks of data, first line of novels as OTP keys. | ||
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[[Puzzles/Crypto Level 1/Puzzle 9]] - Final Challenge Puzzle | [[Puzzles/Crypto Level 1/Puzzle 9]] - Final Challenge Puzzle | ||
==Level 2== | ==Level 2== | ||
Revision as of 19:40, 18 September 2016
Crypto Puzzles
Level 1
Level 1 crypto puzzles: Puzzles/Crypto Level 1
Puzzles/Crypto Level 1/Puzzle 1 - Java encoded with Caesar cipher
Puzzles/Crypto Level 1/Puzzle 2 - Caesar cipher cryptograms with spaces
Puzzles/Crypto Level 1/Puzzle 3 - Caesar cipher cryptograms with no spaces (frequency or brute force)
Puzzles/Crypto Level 1/Puzzle 4 - Blocks of 8 integers, numbers -> letters -> message directly, filled in with DDDs
Puzzles/Crypto Level 1/Puzzle 5 - Affine cipher ax+b (modular arithmetic focus, gcd, Euclid's algorithm)
Puzzles/Crypto Level 1/Puzzle 6 - Affine cipher ax+b (cipher focus)
Puzzles/Crypto Level 1/Puzzle 7 - OTP - modular arithmetic, chunks of data, first line of novels as OTP keys.
Puzzles/Crypto Level 1/Puzzle 8 - OTP with generating token
Puzzles/Crypto Level 1/Puzzle 9 - Final Challenge Puzzle
Level 2
Level 2 crypto puzzles: Puzzles/Crypto Level 2
Puzzles/Crypto Level 2/Puzzle 1 - Java encoded with Caesar cipher
Puzzles/Crypto Level 2/Puzzle 2 - more Caesar cipher cryptograms, no spaces (frequency or brute force)
Puzzles/Crypto Level 2/Puzzle 3 - Caesar encoded with numbers in blocks of 8
Puzzles/Crypto Level 2/Puzzle 4 - Affine cipher, gcd, Euclid's algorithm
Puzzles/Crypto Level 2/Puzzle 5 - Modular arithmetic, multiplicative inverses, importance of prime modulus and factoring
Puzzles/Crypto Level 2/Puzzle 6 - Modular exponentiation, Fermat's Little Theorem, Euler's Theorem, relative prime
Puzzles/Crypto Level 2/Puzzle 7 - RSA baby steps
Puzzles/Crypto Level 2/Puzzle 8 - RSA bigger numbers
Puzzles/Crypto Level 2/Puzzle 9 - Final Challenge Puzzle
(Finite fields? mod arithmetic with different base)
References
Related Wiki Pages
External Links
http://www.math.brown.edu/%7Ejhs/MathCrypto/MCOnlineExercises.html
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Josephus Problem
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