Tulgaa

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Solved Challenges

Mathematics Broken RSA 100
RSA Null or Never 100
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Elliptic Curves Background Reading 5
Lattices LWE Background 5
Diffie-Hellman The Matrix 75
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Lattices Gram Schmidt 30
RSA RSA Backdoor Viability 175
Lattices What's a Lattice? 40
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
RSA Ron was Wrong, Whit is Right 90
RSA Blinding Light 120
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Static Client 2 120
Diffie-Hellman Additive 70
Lattices Size and Basis 15
RSA Fast Primes 75
Mathematics Adrien's Signs 80
RSA Signing Server 60
Symmetric Ciphers ECB Oracle 60
Mathematics Successive Powers 60
Lattices Vectors 10
Symmetric Ciphers Symmetry 50
Misc No Leaks 100
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers ECB CBC WTF 55
Misc Gotta Go Fast 40
RSA Marin's Secrets 50
Diffie-Hellman Static Client 100
Mathematics Modular Binomials 80
Mathematics Modular Square Root 35
RSA Infinite Descent 50
Mathematics Legendre Symbol 35
RSA Endless Emails 150
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
RSA Crossed Wires 100
RSA RSA Signatures 25
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Generators of Groups 20
Mathematics Chinese Remainder Theorem 40
Crypto on the Web JWT Sessions 10
General Transparency 50
Mathematics Quadratic Residues 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
RSA Everything is Still Big 100
RSA Everything is Big 70
RSA Square Eyes 35
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Resisting Bruteforce 10
RSA Manyprime 40
Diffie-Hellman Computing Public Values 25
General SSH Keys 35
General Privacy-Enhanced Mail? 25
General CERTainly not 30
General Lemur XOR 40
General Encoding Challenge 40
Symmetric Ciphers Keyed Permutations 5
Crypto on the Web Token Appreciation 5
Diffie-Hellman Working with Fields 10
RSA Modulus Inutilis 50
RSA Salty 20
Introduction Network Attacks 5
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 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 Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 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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