DongryulKim

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Solved Challenges

Hash Functions Hash Stuffing 50
Hash Functions Collider 50
General SSH Keys 35
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Keyed Permutations 5
Symmetric Ciphers Resisting Bruteforce 10
Elliptic Curves Smooth Criminal 60
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
Elliptic Curves Background Reading 5
RSA Ron was Wrong, Whit is Right 90
RSA Let's Decrypt Again 175
RSA Vote for Pedro 150
RSA Blinding Light 120
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Bespoke Padding 100
RSA Null or Never 100
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Everything is Big 70
RSA Crossed Wires 100
RSA Marin's Secrets 50
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
Mathematics Prime and Prejudice 200
Mathematics Ellipse Curve Cryptography 125
Mathematics Real Eisenstein 150
Mathematics Backpack Cryptography 120
Mathematics Cofactor Cofantasy 150
General Lemur XOR 40
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Encoding Challenge 40
Mathematics Broken RSA 100
Mathematics Unencryptable 125
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Mathematics Find the Lattice 100
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 Modular Square Root 35
Mathematics Legendre Symbol 35
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 You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
RSA Infinite Descent 50
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
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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