mathno1

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Submitted Solutions

Jack's Birthday Confusion 0
Jack's Birthday Hash 0
Find the Lattice 1
Exceptional Curves 0
Smooth Criminal 0
Modular Binomials 0
Adrien's Signs 1
Static Client 0

Solved Challenges

Mathematics Jack's Birthday Hash 20
Mathematics Jack's Birthday Confusion 30
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
Misc Gotta Go Fast 40
Mathematics Find the Lattice 100
Block Ciphers ECB CBC WTF 55
General Transparency 50
Mathematics Unencryptable 125
Mathematics Adrien's Signs 80
Elliptic Curves Exceptional Curves 100
Block Ciphers ECB Oracle 60
Elliptic Curves Smooth Criminal 60
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Block Ciphers Bringing It All Together 50
Diffie-Hellman Script Kiddie 70
RSA Fast Primes 75
RSA Signing Server 60
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Mathematics Modular Binomials 80
RSA Endless Emails 150
RSA Crossed Wires 100
RSA Everything is Still Big 100
Block Ciphers Passwords as Keys 50
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General You either know, XOR you don't 30
General Favourite byte 20
General Lemur XOR 40
General Encoding Challenge 40
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
General Base64 10
Block Ciphers Diffusion through Permutation 30
Block Ciphers Confusion through Substitution 25
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Block Cipher Mode Starter 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
Mathematics What's a Lattice? 40
Mathematics Modular Square Root 35
General XOR Properties 15
General XOR Starter 10
General Greatest Common Divisor 15
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Everything is Big 70
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
General Bytes and Big Integers 10
RSA Modulus Inutilis 50
RSA Manyprime 40
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
RSA Salty 20
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
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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