SpilledBeans

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Solved Challenges

Symmetric Ciphers ECB CBC WTF 55
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
General Transparency 50
Elliptic Curves A Twisted Mind 80
Isogenies DLOG on the Surface 40
Isogenies Montgomery Curves 30
Isogenies Image Point Arithmetic 30
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
Elliptic Curves Elliptic Nodes 150
Mathematics No Way Back Home 100
Mathematics Successive Powers 60
Mathematics Broken RSA 100
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Lemur XOR 40
General Encoding Challenge 40
Elliptic Curves Micro Transmissions 120
Elliptic Curves Exceptional Curves 100
Elliptic Curves Moving Problems 150
Elliptic Curves ProSign 3 100
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
Elliptic Curves Curveball 100
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
Introduction Network Attacks 5
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
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 Great Snakes 3
Introduction Finding Flags 2
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Lattices Vectors 10

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