Covinskij

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Solved Challenges

Diffie-Hellman Static Client 2 120
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Hash Functions Mixed Up 120
Hash Functions No Difference 175
Hash Functions MDFlag 125
Hash Functions MD0 80
Hash Functions Twin Keys 100
Symmetric Ciphers Paper Plane 120
Hash Functions PriMeD5 100
Hash Functions Hash Stuffing 50
Hash Functions Collider 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers ECB CBC WTF 55
Elliptic Curves Background Reading 5
Mathematics Modular Binomials 80
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Encoding Challenge 40
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
RSA Infinite Descent 50
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Square Eyes 35
RSA Inferius Prime 30
Diffie-Hellman Export-grade 100
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
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Factoring 15
RSA Monoprime 30
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
Mathematics Successive Powers 60
Introduction Network Attacks 5
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Lemur XOR 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General You either know, XOR you don't 30
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 Great Snakes 3
Introduction Finding Flags 2

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