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Solved Challenges

Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Triple DES 60
RSA Manyprime 40
RSA Modulus Inutilis 50
RSA Salty 20
RSA Inferius Prime 30
RSA Square Eyes 35
RSA Monoprime 30
RSA Factoring 15
RSA RSA Starter 6 25
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
Diffie-Hellman Script Kiddie 70
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
Misc No Leaks 100
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Mathematics Prime and Prejudice 200
Mathematics Backpack Cryptography 120
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
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 Cofactor Cofantasy 150
Mathematics Unencryptable 125
Mathematics Ellipse Curve Cryptography 125
Mathematics Real Eisenstein 150
Mathematics Modular Binomials 80
Mathematics Broken RSA 100
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Smooth Criminal 60
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Background Reading 5
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Mathematics Modular Square Root 35
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Encoding Challenge 40
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Greatest Common Divisor 15
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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