ConnorM

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Submitted Solutions

Lack of Entropy (Firebird Internal CTF) 1
Noise Cheap 1
Find the Lattice 2
An Exceptional Twisted Mind 3
A Twisted Mind 2
Couples 2
Oracular Spectacular 1
The Good, The Pad, The Ugly 1
Pad Thai 2
SIDH Key Exchange 1
Composite Isogenies 4
DLOG on the Surface 9
Prime Power Isogenies 2
Special Isogenies 1
Image Point Arithmetic 3
Three Isogenies 0
Two Isogenies 3
Too Honest 4
Non-Interactive 1
Honest Verifier Zero Knowledge 2
Special Soundness 3
Proofs of Knowledge 2
Montgomery Curves 2
Where's the Supersingular Curve 3
The j-invariant 3
Authenticator (Firebird Internal CTF) 1
Oofbleck (Firebird Internal CTF) 0
d-phi-enc (HackTM CTF) 1
1337crypt (DownUnderCTF) 0
ProSign 3 0
Fast Primes 4
Backpack Cryptography 3
Real Curve Crypto 6
LFSR Destroyer 0
Broken RSA 7
Megalomaniac 3 0
Megalomaniac 2 2
Megalomaniac 1 0
Null or Never 4
Noise Free 2
From Private to Public Key LWE 4
LWE High Bits Message 5
RSA vs RNG 2
Trust Games 2
Twin Keys 7
Toshi's Treasure 1
Nothing Up My Sleeve 1
Bruce Schneier's Password: Part 2 6
Let's Decrypt Again 3
No Way Back Home 10
Lo-Hi Card Game 0
The Matrix Reloaded 8
No Random, No Bias 3
L-Win 2
Double and Broken 5
Micro Transmissions 5
Curveball 0
Static Client 2 0
Blinding Light 2
The Matrix 1
Let's Decrypt 5
PriMeD5 3
Ellipse Curve Cryptography 2
Roll your Own 3
RSA Backdoor Viability 3
Vote for Pedro 2

Solved Challenges

CTF Archive Lack of Entropy (Firebird Internal CTF) 0
CTF Archive Key Backup Service 1 (HKCERT CTF) 0
CTF Archive Blind (ECSC 2023 (Norway)) 0
CTF Archive Hyper512 (HITCON CTF) 0
CTF Archive Leet Universe (ImaginaryCTF (Daily)) 0
Isogenies Breaking SIDH 250
ZKPs Ticket Maestro 200
ZKPs Fischlin Transform 180
Elliptic Curves An Evil Twisted Mind 175
Elliptic Curves An Exceptional Twisted Mind 125
ZKPs Hamiltonicity 2 175
Isogenies A True Genus 175
Isogenies Meet me in the Claw 120
Elliptic Curves A Twisted Mind 80
Isogenies Dual Masters 90
ZKPs Let's Prove It Again 175
ZKPs Mister Saplins The Prover 125
ZKPs Mister Saplin's Preview 80
Isogenies Abelian SIDH 90
Elliptic Curves Checkpoint 150
Isogenies Better than Linear 85
ZKPs Couples 100
Isogenies André Encoding 80
ZKPs Let's Prove It 120
Isogenies What's My Kernel 70
Isogenies CSIDH Key Exchange 90
Symmetric Ciphers Oracular Spectacular 150
Symmetric Ciphers The Good, The Pad, The Ugly 100
Isogenies Twisted CSIDH Isogenies 70
Isogenies Secret Exponents 60
Symmetric Ciphers Pad Thai 80
Hash Functions Merkle Trees 25
Isogenies SIDH Key Exchange 80
CTF Archive Hamiltonicity (CryptoHack) 0
ZKPs Hamiltonicity 1 100
Lattices Bounded Noise 50
Isogenies DLOG on the Surface 40
Isogenies Prime Power Isogenies 50
Isogenies Special Isogenies 30
Isogenies Image Point Arithmetic 30
Isogenies Composite Isogenies 60
Isogenies Three Isogenies 35
Isogenies Two Isogenies 30
CTF Archive OR Proof (CryptoHack) 0
ZKPs OR Proof 75
ZKPs Pairing-Based Cryptography 50
ZKPs Too Honest 50
ZKPs Non-Interactive 35
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
Isogenies Montgomery Curves 30
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
ZKPs ZKP Introduction 5
Isogenies Introduction to Isogenies 10
CTF Archive RRSSAA (ECSC 2023 (Norway)) 0
CTF Archive Key Backup Service 2 (HKCERT CTF) 0
CTF Archive Real Mersenne (Zh3r0 CTF V2) 0
CTF Archive Authenticator (Firebird Internal CTF) 0
CTF Archive C0ll1d3r (Firebird Internal CTF) 0
CTF Archive 1337crypt v2 (DownUnderCTF) 0
CTF Archive Sign In Please, Again (HKCERT CTF) 0
CTF Archive Substitution Cipher III (DownUnderCTF) 0
CTF Archive SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) 0
CTF Archive Sratslla SEA (HKCERT CTF) 0
CTF Archive Tenet: The Plagarism (HKCERT CTF) 0
CTF Archive Twist and Shout (Zh3r0 CTF V2) 0
CTF Archive Unevaluated (TETCTF) 0
CTF Archive Unimplemented (TETCTF) 0
CTF Archive import numpy as MT (Zh3r0 CTF V2) 0
CTF Archive Sign in Please (HKCERT CTF) 0
CTF Archive Oofbleck (Firebird Internal CTF) 0
CTF Archive Calm Down (HKCERT CTF) 0
CTF Archive 2020 (TETCTF) 0
CTF Archive d-phi-enc (HackTM CTF) 0
Hash Functions WOTS Up 2 90
CTF Archive 1337crypt (DownUnderCTF) 0
Hash Functions WOTS Up 75
Misc LFSR Destroyer 250
Crypto on the Web Megalomaniac 3 120
Crypto on the Web Megalomaniac 2 120
Crypto on the Web Megalomaniac 1 100
Crypto on the Web Authenticated Handshake 40
Hash Functions Invariant 250
Elliptic Curves Real Curve Crypto 200
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Lattices Noise Cheap 90
Lattices Missing Modulus 80
Lattices Nativity 60
Lattices Noise Free 40
Elliptic Curves Digestive 60
Lattices From Private to Public Key LWE 25
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Hash Functions No Difference 175
Lattices LWE Intro 10
Lattices LWE Background 5
Misc RSA vs RNG 150
Symmetric Ciphers Beatboxer 150
Misc Trust Games 150
Hash Functions Twin Keys 100
Symmetric Ciphers Dancing Queen 120
Hash Functions Mixed Up 120
Hash Functions MDFlag 125
Misc Toshi's Treasure 150
Misc Jeff's LFSR 150
Misc Nothing Up My Sleeve 150
Misc Bit by Bit 100
Misc Armory 100
Lattices Too Many Errors 100
RSA Let's Decrypt Again 175
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
Mathematics No Way Back Home 100
Misc Lo-Hi Card Game 120
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Paper Plane 120
Symmetric Ciphers Oh SNAP 120
Hash Functions Hash Stuffing 50
Symmetric Ciphers Logon Zero 80
Elliptic Curves No Random, No Bias 120
Misc L-Win 120
Elliptic Curves Micro Transmissions 120
Symmetric Ciphers Symmetry 50
Elliptic Curves Moving Problems 150
Elliptic Curves ProSign 3 100
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves Curveball 100
Elliptic Curves Double and Broken 50
Hash Functions PriMeD5 100
RSA Blinding Light 120
RSA Let's Decrypt 80
Mathematics Ellipse Curve Cryptography 125
Elliptic Curves Elliptic Nodes 150
Diffie-Hellman Static Client 2 120
Mathematics Roll your Own 125
Diffie-Hellman Script Kiddie 70
Diffie-Hellman The Matrix 75
Diffie-Hellman Additive 70
Elliptic Curves Exceptional Curves 100
Elliptic Curves Montgomery's Ladder 40
Misc No Leaks 100
Diffie-Hellman Static Client 100
Lattices Backpack Cryptography 120
Misc Gotta Go Fast 40
Symmetric Ciphers ECB CBC WTF 55
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
RSA Vote for Pedro 150
Misc Bruce Schneier's Password 100
Misc Bruce Schneier's Password: Part 2 250
Mathematics Prime and Prejudice 200
Mathematics Cofactor Cofantasy 150
Hash Functions Collider 50
RSA Bespoke Padding 100
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Mathematics Real Eisenstein 150
Mathematics Adrien's Signs 80
RSA Signing Server 60
RSA Null or Never 100
Mathematics Unencryptable 125
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Successive Powers 60
Symmetric Ciphers Passwords as Keys 50
Crypto on the Web JSON in JSON 40
Lattices Size and Basis 15
Lattices Vectors 10
Crypto on the Web RSA or HMAC? Part 2 100
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 Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
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
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Stream of Consciousness 80
Diffie-Hellman Parameter Injection 60
Hash Functions MD0 80
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Diffie-Hellman Export-grade 100
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Elliptic Curves Smooth Criminal 60
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
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
RSA Manyprime 40
RSA Square Eyes 35
RSA Inferius Prime 30
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Encoding Challenge 40
RSA Monoprime 30
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA RSA Signatures 25
RSA Fast Primes 75
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Public Keys 15
Elliptic Curves Background Reading 5
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 Greatest Common Divisor 15
General Bytes and Big Integers 10
RSA Euler's Totient 20
RSA Modular Exponentiation 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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