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Solved Challenges

Elliptic Curves Smooth Criminal 60
RSA RSA Starter 6 25
Hash Functions Collider 50
RSA Blinding Light 120
Mathematics Prime and Prejudice 200
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
RSA Let's Decrypt 80
Symmetric Ciphers Lazy CBC 60
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Export-grade 100
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
RSA RSA Starter 1 10
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Modes of Operation Starter 15
RSA Signing Server 60
RSA Bespoke Padding 100
RSA Infinite Descent 50
RSA Manyprime 40
General Encoding Challenge 40
General Lemur XOR 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Misc Gotta Go Fast 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 Endless Emails 150
RSA Crossed Wires 100
RSA Modulus Inutilis 50
RSA Salty 20
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
Mathematics Cofactor Cofantasy 150
Mathematics Broken RSA 100
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
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 Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Extended GCD 20
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 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
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Misc No Leaks 100
Mathematics Unencryptable 125
RSA Null or Never 100
RSA Marin's Secrets 50
Introduction Finding Flags 2

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