Panos_Livadaros

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Solved Challenges

Isogenies A True Genus 175
Isogenies Meet me in the Claw 120
Isogenies Dual Masters 90
Isogenies Abelian SIDH 90
Isogenies Better than Linear 85
Isogenies André Encoding 80
Isogenies What's My Kernel 70
Isogenies CSIDH Key Exchange 90
Isogenies Twisted CSIDH Isogenies 70
Isogenies Secret Exponents 60
Isogenies Prime Power Isogenies 50
Isogenies Special Isogenies 30
Isogenies Breaking SIDH 250
Isogenies SIDH Key Exchange 80
Isogenies Composite Isogenies 60
Isogenies Three Isogenies 35
Isogenies Two Isogenies 30
Symmetric Ciphers Pad Thai 80
Isogenies DLOG on the Surface 40
Isogenies Montgomery Curves 30
Isogenies Image Point Arithmetic 30
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
Elliptic Curves Real Curve Crypto 200
Diffie-Hellman The Matrix 75
Elliptic Curves Edwards Goes Degenerate 100
Mathematics Ellipse Curve Cryptography 125
Mathematics Unencryptable 125
Elliptic Curves Montgomery's Ladder 40
Hash Functions Invariant 250
Elliptic Curves No Random, No Bias 120
Elliptic Curves Moving Problems 150
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Curveball 100
Symmetric Ciphers Forbidden Fruit 150
Mathematics Real Eisenstein 150
Elliptic Curves Micro Transmissions 120
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
Diffie-Hellman Static Client 2 120
Diffie-Hellman Additive 70
RSA Let's Decrypt 80
RSA Signing Server 60
Elliptic Curves Double and Broken 50
Elliptic Curves Digestive 60
Misc Toshi's Treasure 150
Misc Lo-Hi Card Game 120
Misc No Leaks 100
Hash Functions Hash Stuffing 50
Hash Functions Mixed Up 120
Hash Functions MDFlag 125
Hash Functions No Difference 175
Hash Functions Twin Keys 100
Mathematics Roll your Own 125
RSA Let's Decrypt Again 175
RSA Blinding Light 120
Elliptic Curves ProSign 3 100
Mathematics Cofactor Cofantasy 150
Hash Functions PriMeD5 100
RSA Vote for Pedro 150
Mathematics Prime and Prejudice 200
Symmetric Ciphers Paper Plane 120
Elliptic Curves Efficient Exchange 50
RSA Null or Never 100
Crypto on the Web Sharks on the Wire 10
RSA Bespoke Padding 100
Crypto on the Web RSA or HMAC? 35
Hash Functions Jack's Birthday Confusion 30
Diffie-Hellman Static Client 100
Hash Functions Jack's Birthday Hash 20
Mathematics No Way Back Home 100
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Symmetric Ciphers Dancing Queen 120
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Hash Functions MD0 80
RSA RSA Backdoor Viability 175
Lattices Backpack Cryptography 120
Misc Armory 100
Misc Bit by Bit 100
Misc Gotta Go Fast 40
Symmetric Ciphers Oh SNAP 120
RSA Endless Emails 150
Hash Functions Collider 50
Crypto on the Web JSON in JSON 40
Lattices Find the Lattice 100
RSA Fast Primes 75
Diffie-Hellman Script Kiddie 70
RSA Marin's Secrets 50
Mathematics Broken RSA 100
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
RSA Ron was Wrong, Whit is Right 90
RSA Infinite Descent 50
Symmetric Ciphers Logon Zero 80
Mathematics Successive Powers 60
Diffie-Hellman Export-grade 100
Symmetric Ciphers Symmetry 50
General Privacy-Enhanced Mail? 25
General Transparency 50
General SSH Keys 35
General CERTainly not 30
Diffie-Hellman Parameter Injection 60
RSA Everything is Big 70
RSA Crossed Wires 100
RSA Everything is Still Big 100
RSA Modulus Inutilis 50
RSA Salty 20
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Crypto on the Web Secure Protocols 5
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Isogenies Introduction to Isogenies 10
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Elliptic Curves Background Reading 5
ZKPs ZKP Introduction 5
Lattices LWE Intro 10
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Lattices LWE Background 5
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
Lattices Gram Schmidt 30
Lattices What's a Lattice? 40
Mathematics Chinese Remainder Theorem 40
General Lemur XOR 40
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Deriving Symmetric Keys 40
Lattices Gaussian Reduction 50
Lattices Size and Basis 15
Lattices Vectors 10
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
General You either know, XOR you don't 30
RSA Factoring 15
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Encoding Challenge 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
RSA RSA Signatures 25
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
RSA RSA Decryption 20
RSA Private Keys 20
General Greatest Common Divisor 15
General Favourite byte 20
General XOR Properties 15
General Bytes and Big Integers 10
General XOR Starter 10
Introduction Network Attacks 5
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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