B00177224

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Solved Challenges

General Lemur XOR 40
CTF Archive What a Curve! (Breizh CTF) 0
Elliptic Curves Curves and Logs 40
Diffie-Hellman Export-grade 100
RSA Modulus Inutilis 50
General Transparency 50
RSA Fast Primes 75
General SSH Keys 35
General Privacy-Enhanced Mail? 25
General CERTainly not 30
General Encoding Challenge 40
RSA Factoring 15
Symmetric Ciphers Symmetry 50
Symmetric Ciphers ECB Oracle 60
RSA Salty 20
RSA Infinite Descent 50
Lattices Gram Schmidt 30
Crypto on the Web Token Appreciation 5
Elliptic Curves Scalar Multiplication 35
RSA Manyprime 40
RSA Square Eyes 35
RSA Marin's Secrets 50
RSA Inferius Prime 30
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Monoprime 30
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Mathematics Unencryptable 125
Diffie-Hellman Parameter Injection 60
RSA Ron was Wrong, Whit is Right 90
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Modular Exponentiation 10
RSA Endless Emails 150
Hash Functions MD0 80
Hash Functions PriMeD5 100
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Diffie-Hellman Working with Fields 10
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
Symmetric Ciphers Keyed Permutations 5
Mathematics Modular Binomials 80
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
General Greatest Common Divisor 15
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 Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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