REXTINE

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Solved Challenges

Symmetric Ciphers Keyed Permutations 5
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Mathematics Prime and Prejudice 200
Mathematics Real Eisenstein 150
Mathematics Unencryptable 125
Mathematics Roll your Own 125
Mathematics Ellipse Curve Cryptography 125
Mathematics No Way Back Home 100
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Successive Powers 60
Mathematics Adrien's Signs 80
Mathematics Legendre Symbol 35
General Transparency 50
General SSH Keys 35
General Modular Inverting 25
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Extended GCD 20
General XOR Starter 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Quadratic Residues 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 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 Properties 15
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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