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Solved Challenges

RSA Ron was Wrong, Whit is Right 90
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers CTRIME 70
Elliptic Curves Smooth Criminal 60
Diffie-Hellman Export-grade 100
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Mathematics Modular Binomials 80
Mathematics What's a Lattice? 40
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Signing Server 60
RSA Null or Never 100
RSA Endless Emails 150
Symmetric Ciphers Modes of Operation Starter 15
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Misc Gotta Go Fast 40
RSA Marin's Secrets 50
Hash Functions Collider 50
RSA Infinite Descent 50
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
General SSH Keys 35
Crypto on the Web RSA or HMAC? Part 2 100
RSA Crossed Wires 100
RSA Everything is Still Big 100
Elliptic Curves Background Reading 5
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
RSA Everything is Big 70
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
RSA Modulus Inutilis 50
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Modular Inverting 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Starter 6 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
RSA RSA Starter 1 10
RSA RSA Starter 2 15
General XOR Properties 15
General XOR Starter 10
General Encoding Challenge 40
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

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