grocid

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Solved Challenges

Mathematics Prime and Prejudice 200
Misc Bruce Schneier's Password: Part 2 250
Misc Armory 100
Elliptic Curves Curveball 100
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves Exceptional Curves 100
Elliptic Curves Micro Transmissions 120
RSA Ron was Wrong, Whit is Right 90
RSA Let's Decrypt 80
RSA Vote for Pedro 150
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers ECB Oracle 60
Hash Functions Jack's Birthday Confusion 30
Mathematics Cofactor Cofantasy 150
RSA Blinding Light 120
General Transparency 50
Misc Bruce Schneier's Password 100
Hash Functions Collider 50
Symmetric Ciphers Resisting Bruteforce 10
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 Smooth Criminal 60
RSA Null or Never 100
RSA Bespoke Padding 100
Mathematics Ellipse Curve Cryptography 125
RSA Endless Emails 150
Mathematics Broken RSA 100
Mathematics Backpack Cryptography 120
Mathematics Size and Basis 15
Mathematics Find the Lattice 100
Introduction Network Attacks 5
RSA Everything is Still Big 100
RSA RSA Starter 6 25
RSA Signing Server 60
Misc No Leaks 100
Misc Gotta Go Fast 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General Modular Arithmetic 1 20
General Extended GCD 20
General XOR Starter 10
General Modular Arithmetic 2 20
General Modular Inverting 25
General ASCII 5
General Bytes and Big Integers 10
General Base64 10
General Hex 5
RSA Crossed Wires 100
Mathematics Roll your Own 125
Mathematics Real Eisenstein 150
Mathematics What's a Lattice? 40
Mathematics Vectors 10
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Export-grade 100
Diffie-Hellman Static Client 100
Diffie-Hellman Static Client 2 120
Diffie-Hellman Additive 70
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Script Kiddie 70
RSA Marin's Secrets 50
RSA Infinite Descent 50
Introduction Great Snakes 3
Symmetric Ciphers Keyed Permutations 5
Diffie-Hellman The Matrix Revolutions 125
Introduction Finding Flags 2
RSA Manyprime 40
Mathematics Gaussian Reduction 50
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
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
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Elliptic Curves Background Reading 5
General Greatest Common Divisor 15
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Square Eyes 35
RSA Salty 20
Mathematics Unencryptable 125
Mathematics Adrien's Signs 80
Mathematics Modular Binomials 80
Mathematics Successive Powers 60
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 2 15
RSA RSA Starter 3 20
RSA RSA Starter 1 10

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