nankeen

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Submitted Solutions

Gaussian Reduction 0

Solved Challenges

Symmetric Ciphers Logon Zero 80
Mathematics Unencryptable 125
Diffie-Hellman Static Client 2 120
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Diffie-Hellman Static Client 100
Mathematics Ellipse Curve Cryptography 125
Symmetric Ciphers Triple DES 60
Mathematics No Way Back Home 100
Misc No Leaks 100
Hash Functions Collider 50
Symmetric Ciphers Stream of Consciousness 80
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
RSA RSA Backdoor Viability 175
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Fast Primes 75
RSA Endless Emails 150
RSA Marin's Secrets 50
Symmetric Ciphers CTRIME 70
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Diffie-Hellman Script Kiddie 70
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
RSA Infinite Descent 50
Misc Gotta Go Fast 40
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Bean Counter 60
Crypto on the Web RSA or HMAC? Part 2 100
Mathematics Roll your Own 125
Mathematics Backpack Cryptography 120
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
Mathematics Modular Binomials 80
Mathematics Broken RSA 100
General Transparency 50
General SSH Keys 35
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Diffie-Hellman Diffie-Hellman Starter 1 10
Mathematics Find the Lattice 100
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 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 Symmetry 50
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Successive Powers 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Modular Square Root 35
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Mathematics Adrien's Signs 80
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
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
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Additive 70

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