An00bRektn

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Solved Challenges

Elliptic Curves Moving Problems 150
Mathematics Find the Lattice 100
RSA Crossed Wires 100
Post-Quantum LWE Background 5
Diffie-Hellman The Matrix 75
RSA Bespoke Padding 100
Elliptic Curves Montgomery's Ladder 40
Diffie-Hellman Script Kiddie 70
Symmetric Ciphers Logon Zero 80
Hash Functions MD0 80
Hash Functions Hash Stuffing 50
Symmetric Ciphers Stream of Consciousness 80
Diffie-Hellman Additive 70
RSA Infinite Descent 50
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Secure Protocols 5
RSA Everything is Still Big 100
RSA Marin's Secrets 50
RSA Everything is Big 70
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Misc No Leaks 100
Mathematics Modular Binomials 80
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Triple DES 60
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Hash Functions Collider 50
Diffie-Hellman Export-grade 100
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 Signing Server 60
RSA Square Eyes 35
Mathematics Chinese Remainder Theorem 40
Mathematics Size and Basis 15
Mathematics Vectors 10
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
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers ECB Oracle 60
General Lemur XOR 40
General Transparency 50
General SSH Keys 35
General CERTainly not 30
Misc Gotta Go Fast 40
RSA Inferius Prime 30
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Monoprime 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
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Crypto on the Web JWT Sessions 10
General Privacy-Enhanced Mail? 25
Mathematics Quadratic Residues 25
Crypto on the Web Token Appreciation 5
General Modular Inverting 25
General Modular Arithmetic 2 20
General Extended GCD 20
General Modular Arithmetic 1 20
General Greatest Common Divisor 15
General Encoding Challenge 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General XOR Properties 15
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Starter 10
General Bytes and Big Integers 10
General ASCII 5
General Base64 10
General Hex 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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