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Submitted Solutions

Toshi's Treasure 0
Micro Transmissions 0
Forbidden Fruit 0
Backpack Cryptography 1
Paper Plane 0

Solved Challenges

Lattices Noise Cheap 90
Lattices Missing Modulus 80
CTF Archive Sus (ImaginaryCTF) 0
CTF Archive 1337crypt v2 (DownUnderCTF) 0
Misc Bruce Schneier's Password: Part 2 250
Hash Functions Merkle Trees 25
Hash Functions Hash Stuffing 50
ZKPs Pairing-Based Cryptography 50
Crypto on the Web Authenticated Handshake 40
Misc Nothing Up My Sleeve 150
Misc LFSR Destroyer 250
Lattices Bounded Noise 50
Isogenies SIDH Key Exchange 80
Isogenies Composite Isogenies 60
Isogenies Three Isogenies 35
Isogenies Two Isogenies 30
Isogenies Montgomery Curves 30
Isogenies Image Point Arithmetic 30
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
ZKPs Hamiltonicity 1 100
CTF Archive Hamiltonicity (CryptoHack) 0
CTF Archive OR Proof (CryptoHack) 0
ZKPs OR Proof 75
ZKPs Too Honest 50
ZKPs Non-Interactive 35
Symmetric Ciphers The Good, The Pad, The Ugly 100
Symmetric Ciphers Pad Thai 80
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
ZKPs ZKP Introduction 5
Hash Functions Collider 50
Elliptic Curves Real Curve Crypto 200
Elliptic Curves Digestive 60
Misc Toshi's Treasure 150
Misc Lo-Hi Card Game 120
Misc RSA vs RNG 150
Elliptic Curves Micro Transmissions 120
Elliptic Curves No Random, No Bias 120
Lattices Nativity 60
CTF Archive Maybe Someday (Maybe Someday CTF) 0
CTF Archive Dark Arts (CODEGATE CTF) 0
Symmetric Ciphers Oh SNAP 120
CTF Archive d-phi-enc (HackTM CTF) 0
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Beatboxer 150
Symmetric Ciphers Paper Plane 120
RSA Blinding Light 120
RSA Bespoke Padding 100
RSA Let's Decrypt Again 175
RSA Let's Decrypt 80
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Lattices Noise Free 40
Lattices From Private to Public Key LWE 25
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Lattices LWE Intro 10
Lattices LWE Background 5
Elliptic Curves Double and Broken 50
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Logon Zero 80
Mathematics No Way Back Home 100
Mathematics Roll your Own 125
CTF Archive 1337crypt (DownUnderCTF) 0
Misc Bruce Schneier's Password 100
Misc Bit by Bit 100
Misc L-Win 120
Misc Armory 100
RSA Null or Never 100
Misc No Leaks 100
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Saying Hello 20
Crypto on the Web Secure Protocols 5
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Edwards Goes Degenerate 100
Symmetric Ciphers Stream of Consciousness 80
Diffie-Hellman Static Client 2 120
RSA Vote for Pedro 150
Hash Functions MD0 80
Elliptic Curves Moving Problems 150
Elliptic Curves Curveball 100
Symmetric Ciphers Triple DES 60
Symmetric Ciphers CTRIME 70
Diffie-Hellman The Matrix Revolutions 125
Mathematics Cofactor Cofantasy 150
Mathematics Prime and Prejudice 200
Diffie-Hellman The Matrix Reloaded 100
Elliptic Curves ProSign 3 100
Mathematics Ellipse Curve Cryptography 125
RSA Ron was Wrong, Whit is Right 90
Lattices Too Many Errors 100
Diffie-Hellman The Matrix 75
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Lazy CBC 60
Elliptic Curves Montgomery's Ladder 40
Mathematics Real Eisenstein 150
Lattices Backpack Cryptography 120
General SSH Keys 35
Crypto on the Web JSON in JSON 40
RSA RSA Backdoor Viability 175
Hash Functions Jack's Birthday Hash 20
Hash Functions 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
Lattices Find the Lattice 100
Symmetric Ciphers ECB CBC WTF 55
General Transparency 50
Mathematics Unencryptable 125
Mathematics Adrien's Signs 80
Elliptic Curves Exceptional Curves 100
Symmetric Ciphers ECB Oracle 60
Elliptic Curves Smooth Criminal 60
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Symmetric 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
Symmetric Ciphers Passwords as Keys 50
Lattices Gaussian Reduction 50
Lattices 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
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 Modes of Operation Starter 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Lattices 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
Lattices Size and Basis 15
Lattices 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 Deriving Symmetric Keys 40
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Working with Fields 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 Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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