ThinkInTheBox

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Solved Challenges

Misc No Leaks 100
ZKPs Too Honest 50
ZKPs Non-Interactive 35
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
ZKPs ZKP Introduction 5
Hash Functions Hash Stuffing 50
Hash Functions Collider 50
Elliptic Curves Digestive 60
Mathematics Roll your Own 125
Elliptic Curves Montgomery's Ladder 40
Elliptic Curves Smooth Criminal 60
Mathematics No Way Back Home 100
Crypto on the Web RSA or HMAC? Part 2 100
Misc Armory 100
Crypto on the Web JSON in JSON 40
Hash Functions Jack's Birthday Confusion 30
Misc Bruce Schneier's Password 100
Lattices Backpack Cryptography 120
Lattices Find the Lattice 100
Misc Bit by Bit 100
RSA Vote for Pedro 150
RSA Blinding Light 120
RSA RSA Backdoor Viability 175
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
RSA Endless Emails 150
Misc Gotta Go Fast 40
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web RSA or HMAC? 35
Lattices LWE Low Bits Message 20
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
Lattices From Private to Public Key LWE 25
Crypto on the Web JWT Secrets 25
General Transparency 50
Diffie-Hellman Additive 70
Diffie-Hellman Script Kiddie 70
Mathematics Unencryptable 125
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 No Way JOSE 20
Hash Functions Jack's Birthday Hash 20
Mathematics Broken RSA 100
Crypto on the Web Secure Protocols 5
Lattices LWE High Bits Message 15
Lattices LWE Intro 10
Diffie-Hellman Export-grade 100
Lattices Gaussian Reduction 50
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
RSA Crossed Wires 100
Diffie-Hellman Parameter Injection 60
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Symmetric Ciphers Passwords as Keys 50
Crypto on the Web JWT Sessions 10
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Everything is Big 70
RSA Salty 20
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
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
RSA Modulus Inutilis 50
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Modes of Operation Starter 15
General Encoding Challenge 40
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Triple DES 60
Symmetric Ciphers ECB Oracle 60
RSA Everything is Still Big 100
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Confusion through Substitution 25
General Lemur XOR 40
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Mathematics Modular Binomials 80
Lattices Vectors 10
Mathematics Modular Square Root 35
Mathematics Chinese Remainder Theorem 40
Lattices LWE Background 5
Mathematics Legendre Symbol 35
Diffie-Hellman Working with Fields 10
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA RSA Signatures 25
Introduction Network Attacks 5
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Mathematics Quadratic Residues 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 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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