Ulusoy

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Submitted Solutions

Find the Lattice 1

Solved Challenges

Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
RSA Blinding Light 120
RSA Let's Decrypt Again 175
RSA Bespoke Padding 100
RSA Let's Decrypt 80
Symmetric Ciphers Pad Thai 80
Symmetric Ciphers The Good, The Pad, The Ugly 100
Crypto on the Web RSA or HMAC? 35
Crypto on the Web Megalomaniac 1 100
RSA RSA Backdoor Viability 175
Symmetric Ciphers Oracular Spectacular 150
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
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 JWT Secrets 25
RSA Fast Primes 75
Symmetric Ciphers Oh SNAP 120
RSA Ron was Wrong, Whit is Right 90
Hash Functions Mixed Up 120
Hash Functions MD0 80
Symmetric Ciphers Logon Zero 80
Misc Nothing Up My Sleeve 150
RSA Vote for Pedro 150
Misc Toshi's Treasure 150
Misc Lo-Hi Card Game 120
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Hash Functions Invariant 250
RSA Everything is Still Big 100
Isogenies Where's the Supersingular Curve 25
Lattices Noise Cheap 90
Lattices Missing Modulus 80
Crypto on the Web No Way JOSE 20
Misc Armory 100
Misc Bruce Schneier's Password 100
Symmetric Ciphers Stream of Consciousness 80
General Transparency 50
General CERTainly not 30
General Lemur XOR 40
Symmetric Ciphers CTRIME 70
RSA Null or Never 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Square Eyes 35
Lattices Nativity 60
Lattices Bounded Noise 50
Lattices Too Many Errors 100
Misc LFSR Destroyer 250
Lattices Noise Free 40
Lattices Backpack Cryptography 120
Misc No Leaks 100
Misc Bit by Bit 100
Mathematics Ellipse Curve Cryptography 125
Mathematics Real Eisenstein 150
Misc Jeff's LFSR 150
Elliptic Curves Moving Problems 150
RSA Inferius Prime 30
Lattices From Private to Public Key LWE 25
Misc L-Win 120
Elliptic Curves Digestive 60
ZKPs Ticket Maestro 200
CTF Archive Ticket Maestro (CryptoHack) 0
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
ZKPs Fischlin Transform 180
CTF Archive Fischlin's Transformation (CryptoHack) 0
ZKPs Couples 100
Hash Functions Hash Stuffing 50
ZKPs Mister Saplins The Prover 125
ZKPs Mister Saplin's Preview 80
Hash Functions WOTS Up 2 90
Hash Functions No Difference 175
Hash Functions Collider 50
RSA Signing Server 60
Hash Functions WOTS Up 75
Hash Functions Merkle Trees 25
ZKPs Pairing-Based Cryptography 50
ZKPs Let's Prove It Again 175
ZKPs Let's Prove It 120
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Diffie-Hellman Additive 70
Elliptic Curves Smooth Criminal 60
CTF Archive Hamiltonicity 2 (CryptoHack) 0
ZKPs Hamiltonicity 2 175
ZKPs Hamiltonicity 1 100
CTF Archive Hamiltonicity (CryptoHack) 0
General Encoding Challenge 40
Misc Gotta Go Fast 40
Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
ZKPs OR Proof 75
CTF Archive OR Proof (CryptoHack) 0
ZKPs Too Honest 50
ZKPs Non-Interactive 35
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
Diffie-Hellman Export-grade 100
Lattices Find the Lattice 100
ZKPs ZKP Introduction 5
Diffie-Hellman Parameter Injection 60
Symmetric Ciphers Beatboxer 150
Mathematics Prime and Prejudice 200
Mathematics Modular Binomials 80
Mathematics No Way Back Home 100
Mathematics Cofactor Cofantasy 150
Mathematics Unencryptable 125
Mathematics Roll your Own 125
General SSH Keys 35
RSA Infinite Descent 50
Mathematics Broken RSA 100
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Mathematics Successive Powers 60
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Working with Fields 10
Elliptic Curves Montgomery's Ladder 40
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
General Privacy-Enhanced Mail? 25
RSA Marin's Secrets 50
RSA Modulus Inutilis 50
RSA Endless Emails 150
RSA Salty 20
RSA Manyprime 40
Symmetric Ciphers Paper Plane 120
Lattices LWE Intro 10
Lattices LWE Background 5
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
RSA Monoprime 30
RSA Factoring 15
RSA RSA Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Triple DES 60
Hash Functions Jack's Birthday Confusion 30
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Crypto on the Web Secure Protocols 5
Hash Functions Jack's Birthday Hash 20
Diffie-Hellman Generators of Groups 20
Lattices Size and Basis 15
Lattices Vectors 10
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
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
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 Extended GCD 20
Introduction Network Attacks 5
General Modular Arithmetic 1 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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