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Solved Challenges

RSA Signing Server 60
RSA Everything is Still Big 100
RSA Infinite Descent 50
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Saying Hello 20
Diffie-Hellman Static Client 2 120
Crypto on the Web TLS Handshake 15
Hash Functions Collider 50
Elliptic Curves Efficient Exchange 50
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Crypto on the Web Sharks on the Wire 10
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Diffie-Hellman Static Client 100
Lattices LWE Background 5
Mathematics Broken RSA 100
Diffie-Hellman Script Kiddie 70
Elliptic Curves Point Negation 10
Mathematics Successive Powers 60
Crypto on the Web Secure Protocols 5
Diffie-Hellman Export-grade 100
Diffie-Hellman Additive 70
Diffie-Hellman Parameter Injection 60
General Lemur XOR 40
General Transparency 50
General CERTainly not 30
General SSH Keys 35
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Stream of Consciousness 80
Crypto on the Web JWT Sessions 10
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Diffie-Hellman Deriving Symmetric Keys 40
RSA Endless Emails 150
RSA Marin's Secrets 50
Symmetric Ciphers Flipping Cookie 60
RSA Crossed Wires 100
Crypto on the Web Token Appreciation 5
RSA Everything is Big 70
RSA RSA Signatures 25
Symmetric Ciphers Symmetry 50
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Elliptic Curves Background Reading 5
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
ZKPs ZKP Introduction 5
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
General Encoding Challenge 40
Introduction Network Attacks 5
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Generators of Groups 20
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Bringing It All Together 50
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Working with Fields 10
Lattices Vectors 10
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
General Privacy-Enhanced Mail? 25
RSA RSA Decryption 20
RSA Private Keys 20
Lattices Size and Basis 15
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Symmetric Ciphers Keyed Permutations 5
General You either know, XOR you don't 30
General Modular Inverting 25
General Modular Arithmetic 2 20
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 Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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