ahiezer

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Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Flipping Cookie 60
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Hash Functions Collider 50
General SSH Keys 35
Misc No Leaks 100
Misc Gotta Go Fast 40
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Crypto on the Web JWT Secrets 25
Symmetric Ciphers ECB Oracle 60
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA RSA Starter 6 25
RSA Square Eyes 35
RSA Manyprime 40
Mathematics Legendre Symbol 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
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
Diffie-Hellman Diffie-Hellman Starter 1 10
Mathematics Size and Basis 15
Mathematics Vectors 10
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Quadratic Residues 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 Lemur XOR 40
General Favourite byte 20
General You either know, XOR you don't 30
General XOR Properties 15
General XOR Starter 10
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 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
Crypto on the Web Token Appreciation 5
Introduction Finding Flags 2

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