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Submitted Solutions

Find the Lattice 10

Solved Challenges

Symmetric Ciphers Symmetry 50
Hash Functions PriMeD5 100
Hash Functions Merkle Trees 25
Crypto on the Web Secure Protocols 5
Misc No Leaks 100
Misc Gotta Go Fast 40
Mathematics No Way Back Home 100
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Isogenies Introduction to Isogenies 10
CTF Archive OR Proof (CryptoHack) 0
ZKPs OR Proof 75
ZKPs Too Honest 50
ZKPs Non-Interactive 35
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
Elliptic Curves Smooth Criminal 60
ZKPs ZKP Introduction 5
Lattices Too Many Errors 100
Lattices Missing Modulus 80
Lattices Bounded Noise 50
Lattices Noise Free 40
Lattices From Private to Public Key LWE 25
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Lattices LWE Background 5
Mathematics Broken RSA 100
Crypto on the Web JSON in JSON 40
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
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
Mathematics Adrien's Signs 80
Hash Functions Collider 50
RSA RSA Signatures 25
Elliptic Curves Efficient Exchange 50
Diffie-Hellman Deriving Symmetric Keys 40
Lattices Find the Lattice 100
General Lemur XOR 40
General Encoding Challenge 40
General You either know, XOR you don't 30
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
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
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
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 Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Mathematics Successive Powers 60
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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