Khalil

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Solved Challenges

Mathematics Find the Lattice 100
Diffie-Hellman Static Client 100
Block Ciphers Symmetry 50
Block Ciphers Lazy CBC 60
RSA Bespoke Padding 100
Block Ciphers ECB Oracle 60
Block Ciphers ECB CBC WTF 55
Block Ciphers Passwords as Keys 50
Block Ciphers Diffusion through Permutation 30
RSA Null or Never 100
RSA Signing Server 60
Mathematics Unencryptable 125
Block Ciphers Keyed Permutations 5
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
RSA Ron was Wrong, Whit is Right 90
Elliptic Curves Smooth Criminal 60
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Mathematics Broken RSA 100
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
RSA Endless Emails 150
Misc Gotta Go Fast 40
Block Ciphers Confusion through Substitution 25
Block Ciphers Block Cipher Mode Starter 15
Diffie-Hellman Additive 70
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
RSA Fast Primes 75
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
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Marin's Secrets 50
RSA Infinite Descent 50
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
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
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Mathematics Modular Binomials 80
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General CERTainly not 30
General Lemur XOR 40
General Privacy-Enhanced Mail? 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 You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
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
Introduction Finding Flags 2

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