bigtuple

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Level: md5
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Submitted Solutions

Privacy-Enhanced Mail? 6
You either know, XOR you don't 2
Favourite byte 2

Solved Challenges

Block Ciphers ECB Oracle 60
Block Ciphers Passwords as Keys 50
Block Ciphers Block Cipher Mode Starter 15
Block Ciphers Bringing It All Together 50
Block Ciphers Diffusion through Permutation 30
Block Ciphers Confusion through Substitution 25
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
General Privacy-Enhanced Mail? 25
General XOR Properties 15
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Starter 10
General Encoding Challenge 40
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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