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Submitted Solutions

Prime and Prejudice 2

Solved Challenges

Elliptic Curves Micro Transmissions 120
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
Elliptic Curves No Random, No Bias 120
Symmetric Ciphers Logon Zero 80
Elliptic Curves ProSign 3 100
RSA Fast Primes 75
Mathematics Ellipse Curve Cryptography 125
Hash Functions No Difference 175
Misc Toshi's Treasure 150
Post-Quantum Too Many Errors 100
Elliptic Curves Elliptic Nodes 150
Mathematics Real Eisenstein 150
Mathematics Backpack Cryptography 120
Hash Functions Twin Keys 100
Hash Functions PriMeD5 100
Symmetric Ciphers Paper Plane 120
Misc Nothing Up My Sleeve 150
Mathematics Prime and Prejudice 200
RSA Let's Decrypt 80
Elliptic Curves Curveball 100
Misc Lo-Hi Card Game 120
Mathematics Broken RSA 100
Mathematics Unencryptable 125
RSA Everything is Still Big 100
Elliptic Curves Exceptional Curves 100
Mathematics Find the Lattice 100
RSA Vote for Pedro 150
RSA Bespoke Padding 100
RSA Null or Never 100
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Triple DES 60
RSA Marin's Secrets 50
Mathematics Successive Powers 60
Mathematics Modular Binomials 80
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
Misc Bit by Bit 100
Misc Armory 100
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 5 40
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
Misc No Leaks 100
Hash Functions MD0 80
Hash Functions Collider 50
Misc Gotta Go Fast 40
RSA Blinding Light 120
RSA Signing Server 60
RSA Infinite Descent 50
RSA Endless Emails 150
RSA Ron was Wrong, Whit is Right 90
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Mathematics Adrien's Signs 80
RSA Crossed Wires 100
RSA Everything is Big 70
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
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Bringing It All Together 50
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
General Lemur XOR 40
General Transparency 50
General CERTainly not 30
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 You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
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 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
Introduction Finding Flags 2

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