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Submitted Solutions

Symmetry 0
Encoding Challenge 0

Solved Challenges

Mathematics Find the Lattice 100
Mathematics Broken RSA 100
Misc Bit by Bit 100
Symmetric Ciphers Symmetry 50
RSA Signing Server 60
Mathematics Adrien's Signs 80
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
RSA Ron was Wrong, Whit is Right 90
RSA Endless Emails 150
RSA Fast Primes 75
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
Crypto on the Web No Way JOSE 20
RSA Manyprime 40
Mathematics Unencryptable 125
Mathematics Modular Binomials 80
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Symmetric Ciphers ECB Oracle 60
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
Hash Functions Collider 50
Crypto on the Web JWT Sessions 10
General Privacy-Enhanced Mail? 25
Misc No Leaks 100
Misc Gotta Go Fast 40
Crypto on the Web Token Appreciation 5
Diffie-Hellman Additive 70
Diffie-Hellman Parameter Injection 60
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
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Lemur XOR 40
General XOR Properties 15
General Extended GCD 20
General Encoding Challenge 40
General You either know, XOR you don't 30
General Favourite byte 20
General Base64 10
Mathematics Successive Powers 60
Mathematics Chinese Remainder Theorem 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Greatest Common Divisor 15
RSA Salty 20
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 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
General Bytes and Big Integers 10
General Hex 5
General ASCII 5
General XOR Starter 10
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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