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Solved Challenges

RSA Ron was Wrong, Whit is Right 90
RSA Bespoke Padding 100
RSA RSA Starter 6 25
Mathematics Adrien's Signs 80
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
RSA Signing Server 60
Crypto on the Web Token Appreciation 5
Hash Functions Collider 50
RSA Everything is Still Big 100
RSA Crossed Wires 100
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 1 10
General Modular Arithmetic 1 20
General Modular Inverting 25
General Modular Arithmetic 2 20
RSA Fast Primes 75
Mathematics Size and Basis 15
Mathematics Vectors 10
Misc Gotta Go Fast 40
Symmetric Ciphers Keyed Permutations 5
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
RSA Marin's Secrets 50
General Extended GCD 20
General Greatest Common Divisor 15
General Favourite byte 20
General Lemur XOR 40
General You either know, XOR you don't 30
General XOR Properties 15
General XOR Starter 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Encoding Challenge 40
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
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
Elliptic Curves Background Reading 5
RSA Infinite Descent 50
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
RSA Factoring 15
RSA RSA Starter 3 20
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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