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Solved Challenges

Lattices Too Many Errors 100
Lattices Noise Cheap 90
Lattices Missing Modulus 80
Lattices Bounded Noise 50
Lattices Nativity 60
Lattices Noise Free 40
Lattices From Private to Public Key LWE 25
Lattices LWE Intro 10
Lattices LWE Background 5
Lattices Backpack Cryptography 120
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Lattices Vectors 10
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Saying Hello 20
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Hash Functions WOTS Up 2 90
Hash Functions WOTS Up 75
Hash Functions Merkle Trees 25
Hash Functions Invariant 250
Hash Functions Mixed Up 120
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Elliptic Curves Double and Broken 50
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves A Twisted Mind 80
Elliptic Curves Moving Problems 150
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Micro Transmissions 120
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Diffie-Hellman Static Client 2 120
Diffie-Hellman Additive 70
RSA Euler's Totient 20
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
Mathematics Chinese Remainder Theorem 40
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 You either know, XOR you don't 30
General Greatest Common Divisor 15
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

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