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Submitted Solutions

The j-invariant 0
Special Soundness 0
Public Keys 0
What's a Lattice? 0
Size and Basis 0
Script Kiddie 0
Computing Shared Secrets 0
Generators of Groups 0
JSON in JSON 0
JWT Secrets 0
Gotta Go Fast 0

Solved Challenges

Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 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
Mathematics Unencryptable 125
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Elliptic Curves Background Reading 5
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Symmetric Ciphers Symmetry 50
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Triple DES 60
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
ZKPs ZKP Introduction 5
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Endless Emails 150
RSA Everything is Still Big 100
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 Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Lattices Vectors 10
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Crypto on the Web Secure Protocols 5
Crypto on the Web JSON in JSON 40
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
Misc No Leaks 100
Misc Gotta Go Fast 40
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
General Encoding Challenge 40
Introduction Network Attacks 5
General Lemur XOR 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
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
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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