Passwords as Keys | 0 | ||
Bringing It All Together | 0 | ||
Diffusion through Permutation | 0 | ||
Confusion through Substitution | 0 | ||
Round Keys | 0 | ||
Structure of AES | 0 | ||
Legendre Symbol | 0 | ||
Quadratic Residues | 0 | ||
Modular Inverting | 0 | ||
Greatest Common Divisor | 0 |
Symmetric Ciphers | Lazy CBC | 60 | |
Symmetric Ciphers | Bean Counter | 60 | |
Symmetric Ciphers | Symmetry | 50 | |
Symmetric Ciphers | Flipping Cookie | 60 | |
Symmetric Ciphers | ECB CBC WTF | 55 | |
Symmetric Ciphers | ECB Oracle | 60 | |
Symmetric Ciphers | Passwords as Keys | 50 | |
Symmetric Ciphers | Modes of Operation Starter | 15 | |
Symmetric Ciphers | Bringing It All Together | 50 | |
Symmetric Ciphers | Diffusion through Permutation | 30 | |
Symmetric Ciphers | Confusion through Substitution | 25 | |
Symmetric Ciphers | Round Keys | 20 | |
Symmetric Ciphers | Structure of AES | 15 | |
Symmetric Ciphers | Resisting Bruteforce | 10 | |
Mathematics | Adrien's Signs | 80 | |
Mathematics | Chinese Remainder Theorem | 40 | |
Mathematics | Modular Square Root | 35 | |
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 | |
Symmetric Ciphers | Keyed Permutations | 5 | |
General | Greatest Common Divisor | 15 | |
General | Encoding Challenge | 40 | |
Introduction | Network Attacks | 5 | |
General | You either know, XOR you don't | 30 | |
General | Favourite byte | 20 | |
General | XOR Properties | 15 | |
General | XOR Starter | 10 | |
General | Bytes and Big Integers | 10 | |
General | Base64 | 10 | |
General | Hex | 5 | |
General | ASCII | 5 | |
Introduction | Great Snakes | 3 | |
Introduction | Finding Flags | 2 |
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