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=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]] - Blocks of 8 integers, numbers -> letters -> ROT 13 encoded message, filled with DDDs again
[[Puzzles/Crypto Level 1/Puzzle 6]] - Affine cipher ax+b, gcd modular arithmetic
[[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
(Enigma?)
==Level 2==
Level 2 crypto puzzles:
[[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
(Finite fields? mod arithmetic with different base)
=References=
=References=


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[[Pangrams]]
[[Pangrams]]
[[Puzzles/Clues]]


==External Links==
==External Links==


http://www.math.brown.edu/%7Ejhs/MathCrypto/MCOnlineExercises.html
Crypto math: http://www.math.brown.edu/%7Ejhs/MathCrypto/MCOnlineExercises.html
 
Nice collection of probability puzzles, solved with Python 3: https://github.com/BillCruise/Probability


handbook of applied cryptography: all chapters provided for free: http://cacr.uwaterloo.ca/hac/


=Flags=
=Flags=

Latest revision as of 22:06, 17 March 2019

References

Related Wiki Pages

Pangrams

Puzzles/Clues

External Links

Crypto math: http://www.math.brown.edu/%7Ejhs/MathCrypto/MCOnlineExercises.html

Nice collection of probability puzzles, solved with Python 3: https://github.com/BillCruise/Probability

handbook of applied cryptography: all chapters provided for free: http://cacr.uwaterloo.ca/hac/

Flags