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Submitted Solutions

PriMeD5 1
Ellipse Curve Cryptography 0
Exceptional Curves 1

Solved Challenges

Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Diffie-Hellman The Matrix 75
Hash Functions PriMeD5 100
Mathematics Cofactor Cofantasy 150
General Encoding Challenge 40
Elliptic Curves Edwards Goes Degenerate 100
Misc Bruce Schneier's Password: Part 2 250
Misc Bruce Schneier's Password 100
CTF Archive Calm Down (HKCERT CTF) 0
CTF Archive 2020 (TETCTF) 0
Mathematics Backpack Cryptography 120
Mathematics No Way Back Home 100
Elliptic Curves Elliptic Nodes 150
General CERTainly not 30
Mathematics Ellipse Curve Cryptography 125
Diffie-Hellman Export-grade 100
Elliptic Curves Micro Transmissions 120
Elliptic Curves Moving Problems 150
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
Hash Functions Hash Stuffing 50
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Mathematics Find the Lattice 100
RSA Signing Server 60
Mathematics Roll your Own 125
Introduction Network Attacks 5
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
RSA Marin's Secrets 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers ECB Oracle 60
Hash Functions Collider 50
Crypto on the Web JSON in JSON 40
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
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
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
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
General Privacy-Enhanced Mail? 25
Misc No Leaks 100
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
RSA Infinite Descent 50
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 Keyed Permutations 5
General Lemur XOR 40
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Mathematics Gaussian Reduction 50
General Greatest Common Divisor 15
Misc Gotta Go Fast 40
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
Mathematics Real Eisenstein 150
Mathematics Unencryptable 125
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Mathematics Modular Binomials 80

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