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Solved Challenges

Post-Quantum LWE Low Bits Message 20
Post-Quantum LWE High Bits Message 15
Post-Quantum LWE Intro 10
Post-Quantum LWE Background 5
CTF Archive A Joke Cipher (HKCERT CTF) 0
CTF Archive 1n_jection (Zh3r0 CTF V2) 0
RSA Vote for Pedro 150
Mathematics No Way Back Home 100
Elliptic Curves Background Reading 5
Hash Functions Jack's Birthday Hash 20
Mathematics Roll your Own 125
RSA Blinding Light 120
RSA Null or Never 100
RSA Bespoke Padding 100
Mathematics Ellipse Curve Cryptography 125
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Infinite Descent 50
Mathematics Real Eisenstein 150
Mathematics Unencryptable 125
RSA Crossed Wires 100
RSA Everything is Still Big 100
RSA Everything is Big 70
Symmetric Ciphers Resisting Bruteforce 10
RSA Signing Server 60
Symmetric Ciphers Keyed Permutations 5
RSA Marin's Secrets 50
RSA Endless Emails 150
RSA RSA Starter 6 25
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 Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
General Privacy-Enhanced Mail? 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 Properties 15
Mathematics Backpack Cryptography 120
Mathematics Find the Lattice 100
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
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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