springer

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Level: md5
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Solved Challenges

Elliptic Curves Smooth Criminal 60
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 5 40
Mathematics Unencryptable 125
Mathematics Broken RSA 100
Mathematics Backpack Cryptography 120
Mathematics Find the Lattice 100
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Elliptic Curves Efficient Exchange 50
General Lemur XOR 40
General Encoding Challenge 40
General You either know, XOR you don't 30
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
RSA Null or Never 100
Mathematics Successive Powers 60
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
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 Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Mathematics Quadratic Residues 25
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
Block Ciphers Block Cipher Mode Starter 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
RSA Signing Server 60
RSA Marin's Secrets 50
RSA Endless Emails 150
RSA Crossed Wires 100
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
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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