RawnYogn

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Solved Challenges

Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
Diffie-Hellman Script Kiddie 70
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Misc Bit by Bit 100
Symmetric Ciphers Triple DES 60
RSA Blinding Light 120
Mathematics Unencryptable 125
Symmetric Ciphers Paper Plane 120
RSA RSA Backdoor Viability 175
Mathematics Broken RSA 100
Hash Functions Mixed Up 120
Lattices Gram Schmidt 30
RSA Endless Emails 150
Hash Functions MD0 80
Hash Functions Collider 50
Misc Lo-Hi Card Game 120
Symmetric Ciphers Stream of Consciousness 80
Mathematics Modular Binomials 80
Misc Toshi's Treasure 150
RSA Fast Primes 75
Crypto on the Web RSA or HMAC? Part 2 100
General SSH Keys 35
Misc Armory 100
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Symmetric Ciphers Flipping Cookie 60
Lattices What's a Lattice? 40
Mathematics Adrien's Signs 80
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 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 Successive Powers 60
RSA Everything is Still Big 100
Diffie-Hellman Additive 70
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
RSA Signing Server 60
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Round Keys 20
Misc No Leaks 100
Misc Gotta Go Fast 40
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Elliptic Curves Background Reading 5
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General Transparency 50
General CERTainly not 30
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA RSA Signatures 25
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Working with Fields 10
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
RSA Crossed Wires 100
RSA Inferius Prime 30
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
Lattices Size and Basis 15
Lattices Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General XOR Properties 15
General Extended GCD 20
General Privacy-Enhanced Mail? 25
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
RSA Square Eyes 35
RSA Monoprime 30
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Modular Inverting 25
General Modular Arithmetic 2 20
General You either know, XOR you don't 30
General Lemur XOR 40
General Favourite byte 20
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
General Greatest Common Divisor 15
General Modular Arithmetic 1 20
Introduction Finding Flags 2

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