0xMard

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Submitted Solutions

DLOG on the Surface 0

Solved Challenges

RSA Factoring 15
RSA Private Keys 20
RSA RSA Decryption 20
RSA Euler's Totient 20
RSA Public Keys 15
Elliptic Curves No Random, No Bias 120
Crypto on the Web Authenticated Handshake 40
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Mathematics No Way Back Home 100
Crypto on the Web Megalomaniac 3 120
Crypto on the Web Megalomaniac 2 120
Crypto on the Web Megalomaniac 1 100
Symmetric Ciphers Diffusion through Permutation 30
RSA Modular Exponentiation 10
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Elliptic Curves Montgomery's Ladder 40
Mathematics Broken RSA 100
Isogenies Montgomery Curves 30
Isogenies Image Point Arithmetic 30
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
Isogenies Secret Exponents 60
Isogenies Introduction to Isogenies 10
Mathematics Adrien's Signs 80
Isogenies Twisted CSIDH Isogenies 70
Isogenies Prime Power Isogenies 50
Isogenies CSIDH Key Exchange 90
Isogenies Special Isogenies 30
Isogenies Three Isogenies 35
Isogenies SIDH Key Exchange 80
Isogenies Composite Isogenies 60
Isogenies Two Isogenies 30
Isogenies Breaking SIDH 250
Isogenies What's My Kernel 70
Isogenies André Encoding 80
Isogenies Better than Linear 85
Isogenies Abelian SIDH 90
Isogenies Dual Masters 90
Isogenies Meet me in the Claw 120
Isogenies A True Genus 175
Isogenies DLOG on the Surface 40
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Mathematics Modular Binomials 80
Mathematics Successive Powers 60
Mathematics Legendre Symbol 35
Mathematics Modular Square Root 35
Mathematics Chinese Remainder Theorem 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Crypto on the Web JWT Secrets 25
Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Lattices Find the Lattice 100
ZKPs ZKP Introduction 5
Lattices From Private to Public Key LWE 25
Lattices LWE Intro 10
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices LWE Background 5
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Lattices Vectors 10
Mathematics Quadratic Residues 25
General Privacy-Enhanced Mail? 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General CERTainly not 30
General Transparency 50
General SSH Keys 35
General Greatest Common Divisor 15
General Lemur XOR 40
General Encoding Challenge 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 Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5

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