eleemosynator

Two robots

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Solved Challenges

Diffie-Hellman The Matrix 75
Mathematics No Way Back Home 100
Diffie-Hellman Diffie-Hellman Starter 2 20
Mathematics Real Eisenstein 150
Mathematics Adrien's Signs 80
Mathematics Roll your Own 125
Mathematics Prime and Prejudice 200
Mathematics Ellipse Curve Cryptography 125
Misc Jeff's LFSR 150
Mathematics Cofactor Cofantasy 150
RSA RSA Starter 6 25
Mathematics Find the Lattice 100
RSA Factoring 15
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Unencryptable 125
Mathematics Quadratic Residues 25
Misc L-Win 120
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Encoding Challenge 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 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 Modular Binomials 80
Mathematics Successive Powers 60
CTF Archive Authenticator (Firebird Internal CTF) 0
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Post-Quantum LWE Background 5
Hash Functions Invariant 250
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2
Hash Functions Hash Stuffing 50
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers ECB CBC WTF 55
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
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Symmetric Ciphers Triple DES 60
Hash Functions MD0 80
Hash Functions Mixed Up 120
Hash Functions No Difference 175
Symmetric Ciphers Beatboxer 150
Symmetric Ciphers Paper Plane 120
Symmetric Ciphers Forbidden Fruit 150

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