kpatsak

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Solved Challenges

Mathematics Unencryptable 125
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Misc Collider 50
Diffie-Hellman Script Kiddie 70
General Encoding Challenge 40
Crypto on the Web RSA or HMAC? 35
General Transparency 50
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
General Privacy-Enhanced Mail? 25
General CERTainly not 30
General Lemur XOR 40
Mathematics Jack's Birthday Hash 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Diffie-Hellman Diffie-Hellman Starter 5 40
Block Ciphers Diffusion through Permutation 30
Block Ciphers Confusion through Substitution 25
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
Elliptic Curves Smooth Criminal 60
Mathematics Jack's Birthday Confusion 30
RSA Everything is Still Big 100
RSA Crossed Wires 100
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 Gaussian Reduction 50
General You either know, XOR you don't 30
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Marin's Secrets 50
RSA Everything is Big 70
Elliptic Curves Background Reading 5
Mathematics Legendre Symbol 35
Mathematics Modular Square Root 35
Mathematics Quadratic Residues 25
General XOR Properties 15
Introduction Network Attacks 5
General Favourite byte 20
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
Block Ciphers Passwords as Keys 50
Block Ciphers Block Cipher Mode Starter 15
RSA Modulus Inutilis 50
RSA RSA Starter 6 25
Diffie-Hellman Diffie-Hellman Starter 2 20
RSA Infinite Descent 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
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
RSA Factoring 15
General Modular Arithmetic 2 20
General Modular Inverting 25
General Extended GCD 20
General Modular Arithmetic 1 20
Mathematics Chinese Remainder Theorem 40
General Greatest Common Divisor 15
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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